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ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage system User’s Guide -Power Synchronized Unit
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Preface
Fujitsu would like to thank you for purchasing our power synchronized unit for the ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage systems.The power synchronized unit is a device that synchronizes power operations of the ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage systems (referred to as "ETERNUS DX S2" in the remainder of this manual) with servers.This manual introduces the user to the power synchronized unit, and explains the regular checks and maintenance that are required.Please carefully review the information outlined in this manual.
Sixth EditionMarch 2012
Applicable Environment
The power synchronized unit was designed and manufactured with user safety for general office environments in mind. When using the power synchronized unit, follow the handling instructions, placement and cautionary notes listed in this manual. If used beyond the limits described, the users may be at risk of personal injury and/or material damage.
Using this Manual
This manual contains important information regarding safe usage.Please read this manual carefully before using the power synchronized unit. Pay special atten-tion to "Safety Precautions", and understand the contents thoroughly before using the power synchronized unit. Keep this manual in a safe place for future reference.Fujitsu pays careful attention to the safe use of its products to prevent user injury and/or material damage. To use the power synchronized unit properly, please follow the instructions in this man-ual.
ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage system User’s Guide -Power Synchronized Unit-3
Copyright 2012 FUJITSU LIMITED P3AM-2532-06EN
Preface
Compliance with Standards
The power synchronized unit is compliant with the following standards.
Type Standard
Product safety UL60950-1, CSA-C22.2 No. 60950-1, EN60950-1, IEC60950-1
Electromagnetic Compatibility FCC CFR47 part 15 Class A, ICES-003 Class A, EN55022 Class A, VCCI Class A
Electromagnetic Immunity EN55024
CE certificationElectromagnetic Compatibility Directive 2004/108/EC
Low Voltage Directive 2006/95/EC
Environmental complianceRoHS-compliant (Restriction of hazardous substances)
WEEE-compliant (Waste electrical and electronic equipment)
ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage system User’s Guide -Power Synchronized Unit-4
Copyright 2012 FUJITSU LIMITED P3AM-2532-06EN
Preface
The company names, product names and service names mentioned in this document are registered trademarks or trademarks of their respective companies.
Microsoft product screen shot(s) reprinted with permission from Microsoft Corporation.
The power synchronized unit is designed, developed and manufactured as contemplated for general use, including without limitation, general office use, personal use, household use, and ordinary industrial use, but is not designed, developed and manufactured for use in situations with accompanying fatal risks or dangers that, unless extremely high safety is secured, could lead directly to death, personal injury, severe physical damage or other loss (hereinafter "High Safety Required Use"), including without limitation, nuclear reaction control in nuclear facility, aircraft flight control, air traffic control, mass transport control, medical life support system, and missile launch control in weapon systems. Do not use the power synchronized unit for High Safety Required Use without securing the sufficient safety level required. If you wish to use the power synchronized unit for High Safety Required Use, please consult with our sales representative before such use.
ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage system User’s Guide -Power Synchronized Unit-5
Copyright 2012 FUJITSU LIMITED P3AM-2532-06EN
Preface
ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage system User’s Guide -Power Synchronized Unit-6
Copyright 2012 FUJITSU LIMITED P3AM-2532-06EN
About this Manual
Organization
This manual is composed of the following six chapters:
● Chapter 1 Overview
This chapter provides overviews, features, specifications, and system configuration examples of the power synchronized unit. The names and usage of the various components for the power synchronized unit are also described.
● Chapter 2 Installation
This chapter describes how to install the power synchronized unit.
● Chapter 3 Powering On and Off
This chapter describes how to turn on and off the power synchronized unit.
● Chapter 4 Connection and Settings
This chapter describes the connection and setup procedures to operate the power synchronized unit.
● Chapter 5 Adding a Connecting Device
This chapter describes how to connect the power synchronized unit when a device is added.
● Chapter 6 Operation and Maintenance
This chapter describes how to change the configuration and appropriate responses for any problems that may occur.Read this chapter when operating or performing maintenance on the power synchronized unit, or if an error occurs.
Refer to the manuals for each peripheral concerning details not included in this manual.
Warning Notations
Warning signs are shown throughout this manual in order to prevent injury to the user and/or material damage. These signs are composed of a symbol and a message describing the recommended level of caution. The following section explains the symbols, their levels of caution, and their meanings as used in this manual.
WARNINGThis symbol indicates the possibility of serious or fatal injury if the power synchronized unit is not used properly.
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About this Manual
The following symbols are used to indicate the type of warnings or cautions being described.
How Warnings are Presented in this Manual
A message is written beside the symbol indicating the caution level. This message is marked with a vertical ribbon in the left margin, to distinguish this warning from ordinary descriptions.An example is shown here.
CAUTIONThis symbol indicates the possibility of minor or moderate personal injury, as well as damage to the power synchronized unit and/or to other users and their property, if the power synchronized unit is not used properly.
IMPORTANT This symbol indicates IMPORTANT information for the user to note when using the power synchronized unit.
Electric ShockThe triangle emphasizes the urgency of the WARNING and
CAUTION contents. Inside the triangle and above it are details concerning the symbol (e.g. Electrical Shock).
No DisassemblyThe barred "Do Not..." circle warns against certain actions.
The action which should be avoided is both illustrated inside the barred circle and written above it (e.g. No Disassembly).
UnplugThe black "Must Do..." circle indicates actions that must be taken.
The required action is both illustrated inside the black circle and written above it (e.g. Unplug).
Warning Level Indicator
Warning Type Indicator
Warning Details
• To avoid damaging the power synchronized unit, pay attention to the following points when cleaning the power synchronized unit.
Make sure to disconnect the power when cleaning.-Be careful that no liquid seeps into the power synchronized unit when using cleaners, etc.
-
Do not use alcohol or other solvents thinners to clean the power synchronized unit.
-
Warning Layout Ribbon
Example Warning
Do
ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage system User’s Guide -Power Synchronized Unit-8
Copyright 2012 FUJITSU LIMITED P3AM-2532-06EN
About this Manual
Symbols Used in this Manual
The following symbol is used throughout this manual:
Functions and know how which can be useful when setting up or operating the power synchronized unit.
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Safety Precautions
This section describes safety precautions.Make sure to follow the instructions described below to ensure the safe use of the power synchronized unit.
■ If you detect an unusual occurrence during operation
WARNINGDo Not
• If the AC cable and/or power plug is damaged, do not use the power synchronized unit and contact your sales representative or your maintenance engineer. Never attempt to repair the power synchronized unit by yourself. Not doing so may cause electrical shock or fire.
Unplug
• If the power synchronized unit overheats, gives off smoke or an unusual odor, makes an unusual sound, or shakes abnormally, immediately disconnect the power plug from the socket. After the problem has subsided, contact your sales representative or your maintenance engineer. Never attempt to repair the power synchronized unit by yourself. Not doing so may cause electrical shock or fire.
• If any liquids such as water or foreign objects like metal fragments get into the power synchronized unit, immediately disconnect the power plug from the socket. Then, contact your sales representative or your maintenance engineer. Never attempt to repair the power synchronized unit by yourself. Not doing so may cause electrical shock or fire.
• If the power synchronized unit is dropped or covers are damaged, immediately disconnect the power plug from the socket. Then, contact your sales representative or your maintenance engineer. Never attempt to repair the power synchronized unit by yourself. Not doing so may cause electrical shock or fire.
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Safety Precautions
■ Instructions for installation
WARNINGDo Not
• Do not place the power synchronized unit in an area with bad ventilation or where anything that may cause a fire, or flammable gases are generated. Doing so may cause electric shock or fire.
• Do not place the power synchronized unit in locations subject to oil smoke, steam, humidity and dust, or in places where the power synchronized unit may come into contact with water. Doing so may cause failure, fire, or electric shock.
• If there is a thunderstorm, do not connect AC cables or any other types of cables. Doing so may cause electric shock or fire.
• Do not place any objects containing water (vases, cups, etc.) on or near the power synchronized unit. This may cause water to get into the power synchronized unit and damage the power synchronized unit and/or lead to fire or electrical shock.
• Do not place the power synchronized unit on an unstable floor. The power synchronized unit may fall and be damaged, and cause injury.
Unplug
• When the power synchronized unit is installed or moved, disconnect the power plug from the socket. Remove all the connected cables. Watch your step during the operation. Not doing so may damage the AC cable and cause electrical shock or fire. Not doing so may also cause the power synchronized unit to fall and injure others.
CAUTIONDo Not
• Do not use the power synchronized unit in an area affected by corrosive gas or in a salty environment. Doing so may cause the power synchronized unit to malfunction.
• Do not place heavy objects on the power synchronized unit or knock it. Doing so may damage the power synchronized unit or cause injury.
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Safety Precautions
■ Handling the power synchronized unit
CAUTIONDo Not
• Do not place the power synchronized unit in areas with strong magnetic fields, such as in the vicinity of TVs or speakers. Doing so may damage the power synchronized unit and cause the power synchronized unit to malfunction.
• Do not place AC cables and other cables in locations where they may become trip hazards. Doing so may damage the power synchronized unit or cause injury.
• Do not place the power synchronized unit on a slanted or unstable surface or in areas that tend to shake. Doing so may cause it to tip over and injure others. Also, do not place the power synchronized unit in high traffic areas such as in a hallway. Passersby can shake the unit, damage it or cause incorrect operation.
Temperature
• Use the power synchronized unit in an environment in which the ambient temperature is between 5°C and 40°C. Do not use the power synchronized unit in an environment in which the temperature exceeds 40°C or is less than 5°C. For 24-hour operation, ensure that the schedule for air conditioning is able to maintain the temperature between 5°C and 40°C. Not doing so may damage the power synchronized unit.
• Use the power synchronized unit in an environment in which the humidity is between 20%RH and 80%RH. During the winter, control the heating system to limit ambient temperature rises to less than 15°C per hour to prevent condensation. Not doing so may damage the power synchronized unit or cause electrical shock.
WARNINGNo Disassembly
• Never attempt to repair, disassemble, or remodel the power synchronized unit by yourself. Doing so may cause electric shock or fire.
Do Not
• Do not use a voltage other than that indicated. Doing so may cause electric shock or fire.
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Safety Precautions
WARNINGDo Not
• Do not disconnect the power cord plug with wet hands. Doing so may cause electrical shock.
• Do not put the stress on the root of the AC cable, for example, by twisting it. Doing so may expose or cut the cable core of the AC cable, causing fire or electric shock.
• Do not damage or modify the AC cable or the power plug. Heating, forced bending, twisting, pulling, or placing heavy objects on the AC cable or the power plug will damage it, causing fire or electrical shock.
• Do not plug all the AC cables into a single socket. Doing so may cause electric shock or fire.
• Do not use an AC cable other than one attached, or the one specified. Do not use the attached AC cable or specified AC cable for other devices. Doing so may cause failure, fire, or electric shock.
• Do not use any products other than the optional products for the power synchronized unit. Doing so may cause failure, fire, or electric shock.
• Do not insert or drop foreign objects such as metals or flammable objects into openings in the power synchronized unit (air vents, etc.). Doing so may cause failure, fire, or electric shock.
• Do not obstruct the openings in the power synchronized unit (air vents). Doing so may cause overheating and fire.
• Do not use any flammable type cleaning sprays. Doing so may cause electric shock or fire.
Do
• Use a power cord with ground lead. Using power sockets without ground lead may cause fire, electric shock, or malfunction.
• If there is a thunderstorm, disconnect the power plug from the socket. Some thunderstorm lead to fire, electrical shock, or malfunction.
• Ensure the plug is fully inserted into the power socket. Not doing so may cause fire or electrical shock.
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Safety Precautions
WARNINGDo
• Install optional products for the power synchronized unit by following the instructions described in this manual. If an optional product is installed in any other way, device failure or electrical shock may occur.
Do Not Wet
• Do not pour or spill water on the power synchronized unit. Doing so may cause failure, fire, or electric shock.
Unplug
• When unplugging the power cord, do not pull on the cable, hold the plug. Pulling the cable may expose or snap the inner wires, which can lead to fire or electrical shock.
• Use a dry cloth to remove all dust from plugs and power sockets. Not doing so may cause electrical shock or fire.
• When the power synchronized unit is not used for a long period of time, unplug all power plugs. Not doing so may cause fire.
CAUTIONDo Not
• When the power synchronized unit is pulled out from the rack, make sure not to hit your head if you are operating devices under the power synchronized unit. Not doing so may cause injury.
• Do not put your finger into the socket of the power synchronized unit. Doing so may cause injury.
• Do not remove the cover from the power synchronized unit socket unless necessary. Doing so may damage the power synchronized unit.
• Before applying insecticides for pest control, turn off the power synchronized unit and cover it with a plastic sheet. Not doing so may damage the power synchronized unit.
• Do not use devices such as mobile phones that emit radiation in the vicinity of the power synchronized unit. Doing so may cause a malfunction.
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Safety Precautions
■ Instructions for rack installation
CAUTIONDo Not
• When installing the power synchronized unit with other devices into the same rack, the airflow of the device installed on and under the power synchronized unit may interfere with each other and have a damaging effect on device cooling. Make sure to leave plenty of room between the devices if required. Not doing so may damage the power synchronized unit and cause the power synchronized unit to malfunction.
Temperature
• Especially for an enclosed rack with doors, or when multiple devices are to be installed and running, the temperature inside the rack will be considerably higher than that of the room. Keep the temperature inside the rack is lower than 40°C. Not doing so may damage the power synchronized unit.
Do
• When installing the power synchronized unit in a rack, be careful not to pinch your fingers in the rack. Not doing so may cause injury.
• If no other components are installed, attach the blind panels provided with the rack. Not doing so may damage the power synchronized unit due to improper cooling of the power synchronized unit.
• When moving a rack that is already installed, make sure to contact your sales representative or maintenance engineer. Do not move a rack by yourself. Doing so may damage the power synchronized unit or cause injury.
ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage system User’s Guide -Power Synchronized Unit-15
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Safety Precautions
■ Handling cables
CAUTIONDo Not
• Do not damage or modify the cable such as heating, forced bending, twisting, pulling, or placing heavy objects on them. Doing so may damage the cable and lead to the power synchronized unit malfunction.
• Do not bend the cable too much or bind it up. Doing so may damage the cable and cause the power synchronized unit to malfunction.
Do
• Fully insert cable connectors into inlets, outlets, or sockets. Not doing so may cause the power synchronized unit to malfunction.
• When unplugging the cable, do not pull on the cord, hold the connector. Not doing so may damage the cable and lead to the power synchronized unit malfunction.
• Remove any dirt on cable connectors. Not doing so may cause the power synchronized unit malfunction.
90
Do not bend square Do not bind up
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Labels
Warning labels and manufacturer's labels are found in various places of the power synchronized unit, as shown in the example below.Never remove these labels from the equipment or allow them to become dirty.
■ Power synchronized unit
■ AC sensor unit
Manufacturer’s labelIndicates the model, serial number, etc.This label is attached to the plate in the label holder on the bottom of the power synchronized unit. It can be checked by pulling out the plate when the power synchronized unit is installed in a rack.
Manufacturer’s labelIndicates the model, serial number, etc.
Table of Contents
Chapter 1 Overview .................................................................................221.1 External View ................................................................................................... 221.2 Features ........................................................................................................... 231.3 Specifications ................................................................................................... 241.4 Components ..................................................................................................... 25
1.4.1 Power Synchronized Unit .......................................................................................................... 251.4.2 AC Sensor Unit (Optional) ......................................................................................................... 26
1.5 System Configuration ....................................................................................... 271.6 Power Management for Power Synchronization .............................................. 29
Chapter 2 Installation ..............................................................................332.1 Package Contents Check ................................................................................. 332.2 Preparation ....................................................................................................... 34
2.2.1 Installation Area ......................................................................................................................... 342.2.2 Checking Power Sockets ........................................................................................................... 34
2.3 Installing in a Rack ........................................................................................... 352.3.1 Installing a Power Synchronized Unit ........................................................................................ 362.3.2 Installing an AC Sensor Unit ...................................................................................................... 39
Chapter 3 Powering On and Off..............................................................43
Chapter 4 Connection and Settings .......................................................444.1 Setting the ETERNUS DX S2 .......................................................................... 454.2 Turning on the Power Synchronized Unit ......................................................... 474.3 Connecting Cascade Cables ............................................................................ 504.4 Connecting to the Server UPS Unit .................................................................. 52
4.4.1 Connecting the Server UPS Unit to the Power Synchronized Unit ............................................ 534.4.2 Connecting the AC Sensor Unit ................................................................................................. 54
4.5 Connecting to the ETERNUS DX S2 ............................................................... 574.6 Checking after Connection ............................................................................... 59
Chapter 5 Adding a Connecting Device.................................................605.1 Connection Procedure when Adding a Server ................................................. 605.2 Connection Procedure when Adding an ETERNUS DX S2 ............................. 62
Chapter 6 Operation and Maintenance ..................................................666.1 Checking the Power Synchronized Unit Status ................................................ 66
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Table of Contents
6.2 Device Replacement After Operation Startup .................................................. 686.2.1 Replacing a Server .................................................................................................................... 686.2.2 Replacing a Power Synchronized Unit ...................................................................................... 696.2.3 Replacing an AC Sensor Unit .................................................................................................... 69
6.3 Troubleshooting ............................................................................................... 706.3.1 Check List .................................................................................................................................. 706.3.2 Trouble Record .......................................................................................................................... 73
Index .........................................................................................................74
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List of Figures
Figure 1.1 External view of a power synchronized unit .............................................................................. 22Figure 1.2 External view of an AC sensor unit ........................................................................................... 22Figure 1.3 Components (power synchronized unit) .................................................................................... 25Figure 1.4 Components (AC sensor unit) ................................................................................................... 26Figure 1.5 System configuration example (power synchronization with two server UPS units) ................. 27Figure 1.6 System configuration example (power synchronization with three or more server UPS
units).......................................................................................................................................... 28Figure 1.7 Power on using a power synchronized unit ............................................................................... 29Figure 1.8 Operation timing chart when using a power synchronized unit (powering on) .......................... 30Figure 1.9 Power off using a power synchronized unit ............................................................................... 31Figure 1.10 Operation timing chart when using a power synchronized unit (powering off) .......................... 32Figure 4.1 ETERNUS DX80 S2/DX90 S2 setup (Setup Power Management screen) ............................... 45Figure 4.2 ETERNUS DX60 S2 setup (Setup Power Management screen) .............................................. 46Figure 4.3 Cascade cable connection ....................................................................................................... 50Figure 4.4 Connection for the server UPS units and the AC sensor units.................................................. 52Figure 6.1 Trouble record ........................................................................................................................... 73
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List of Tables
Table 1.1 Specifications ............................................................................................................................ 24Table 2.1 List of package contents (power synchronized unit).................................................................. 33Table 2.2 List of package contents (AC sensor unit)................................................................................. 33Table 2.3 Power socket type and AC cable (for AC power input) length................................................... 34Table 6.1 Status and meanings of each LED ............................................................................................ 66
Chapter 1 Overview
This chapter provides external views, features, specifications, and system configuration exam-ples of the power synchronized unit and the AC sensor unit (optional). The names and usages of the various components of the power synchronized unit and the AC sensor unit are also described.
1.1 External View
Figure 1.1 and Figure 1.2 show the external views of the power synchronized unit and the AC sensor unit.
■ Power synchronized unit
Figure 1.1 External view of a power synchronized unit
■ AC sensor unit
Figure 1.2 External view of an AC sensor unit
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Chapter 1 Overview 1.2 Features
1.2 Features
This section explains the features of the power synchronized unit and the AC sensor unit.
• Powering the ETERNUS DX S2 on and off can be synchronized with a server by connecting to the Uninterruptible Power Supply (UPS) unit to which the server is connected.As well as the UPS unit to which the server is connected (referred to as "server UPS unit" in the remainder of this manual), the power synchronized unit can be connected to a unit that can control the output of an AC outlet.
• The sizes of the power synchronized unit and the AC sensor unit are 1U. These units can be installed in a 19-inch rack for the server or the ETERNUS DX S2.
• Two server UPS units can be connected to manage power synchronization in a standard configuration. By adding an AC sensor unit, up to 16 server UPS units can be connected.
• By serially connecting each AC sensor unit, the distance between a server UPS unit and a power synchronized unit can be extended by up to 100m.
• By cascading power synchronized units, the power of up to eight ETERNUS DX S2s can be controlled.
• A redundant configuration is available by using two power synchronized units.
• Power synchronization starts when the power synchronized unit is connected to the server UPS unit and the ETERNUS DX S2 by cables. Connection procedures can be performed while the server UPS unit and the ETERNUS DX S2 are operating.
• The status of the power synchronized unit and the status of the AC power output from the server UPS unit are displayed on the LED. If an error occurs, tracking the error and error recovery can be performed based on the LED information.
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Chapter 1 Overview 1.3 Specifications
1.3 Specifications
Table 1.1 shows the specifications of the power synchronized unit and the AC sensor unit.
Table 1.1 Specifications
Item Specifications
Dimensions (W × D × H)Power synchronized unit 440 × 230 × 40 (mm) [1U]
AC sensor unit 100 × 150 × 40 (mm) [1U]
WeightPower synchronized unit 4.0kg
AC sensor unit 1.3kg
Power
Voltage AC100 - 120V, AC200 - 240V
Phase Single
Frequency 50Hz/60Hz
Maximum power requirements
AC100 - 120V 3W
AC200 - 240V 7W
Maximum heat generationAC100 - 120V 11kJ/h
AC200 - 240V 26kJ/h
Connection interfaceFor ETERNUS DX S2s RS232C × 4
For AC detection AC sensor × 2
Number of connectable devices
Server UPS unit
Basic 2
Maximum (when AC sensor units are connected) 16
ETERNUS DX S2
Basic 4
Maximum (when a cascade connection is used) 8
Cable length
Between a power synchronized unit and an AC sensor unit (total)
Max. 100m
Between a power synchronized unit and the ETERNUS DX S2 Max. 5m
Between power synchronized units Max. 10m
Conditions to detect AC output
Power consumption 0.1A or less AC output for one second or more is detected.
Voltage AC100V / AC200V
Phase Single
Support for a duplicated configuration Yes
Environmental conditionTemperature 5 - 40°C (during operation)
0 - 50°C (during non-operation)
Humidity 20 - 80%RH (during operation)8 - 80%RH (during non-operation)
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Chapter 1 Overview 1.4 Components
1.4 Components
This section describes the names and usage of the various components for the power synchronized unit and the AC sensor unit.
1.4.1 Power Synchronized Unit
Figure 1.3 shows the names and usage of the various components for the power synchronized unit.
For details about each LED display and the status of the power synchronized unit, refer to "Table 6.1 Status and meanings of each LED" (page 66).
Figure 1.3 Components (power synchronized unit)
AC IN portFor AC cable (for AC power input) connection
RCI portNot used
PWC ports (#0, #1, #2, #3 from left)For ETERNUS DX S2 connection with RS232C cables to a power synchronized unit
AC SENSOR portFor AC sensor unit connection
with an AC sensor port connection cable to a power synchronized unit
For cascading two power synchronized units with a cascade cable to the AC SENSOR port on the second power synchronized unit
CASCADE portFor cascading two power synchronized unitswith a cascade cable to the CASCADE porton the first power synchronized unit
SENSOR ports (left: #0, right: #1)For AC cable (for AC sensor) connectionto detect the power status of a server UPS unit
POWER LEDDisplays the power status of a power synchronized unit
POWER SENSOR LEDDisplays the detection status of AC output from a server UPS unit
POWER CONTROL LEDDisplays the power status of the connectedETERNUS DX S2
CHECK LEDDisplays the starting status of a power synchronized unit
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Chapter 1 Overview 1.4 Components
1.4.2 AC Sensor Unit (Optional)
Figure 1.4 shows the names and usage of the various components for the AC sensor unit.
Figure 1.4 Components (AC sensor unit)
AC In portFor server UPS unit connection with an AC cable (for AC sensor) to an AC sensor unit
AC sensor output portFor power synchronized unit connection with an AC sensor port connection cableto an AC sensor unit
LEDLights up green when AC output froma server UPS unit is detected
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Chapter 1 Overview 1.5 System Configuration
1.5 System Configuration
System configuration examples when the power synchronized unit is used are shown below.
■ Power synchronization with two server UPS units
The following configuration is an example of power synchronization with two server UPS units.One power synchronized unit can connect up to two server UPS units and four ETERNUS DX S2s.
Figure 1.5 System configuration example (power synchronization with two server UPS units)
The server UPS unit must have a function in the management software (PowerChute plus, etc.) that controls the AC power output according to when the server powers on and off.
Server#0UPS unit forServer#0
UPS unit forServer#1
Server#1
SENSOR#0 SENSOR#1
PWC#0
Power synchronized unit#0#0 #1 #2 #3
ETERNUS DX S2PWC
AC cable (for AC sensor)
AC cable (for AC power input)
RS232C cable
The cables listed above are provided with a power synchronized unit.
*1: For AC100V connections, AC cables for AC100V must be purchased separately.
(*1) (*1)
(*1)
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Chapter 1 Overview 1.5 System Configuration
■ Power synchronization with three or more server UPS units
The following configuration is an example of power synchronization with three or more server UPS units.Up to 16 server UPS units can be connected by using optional AC sensor units. By cascading two power synchronized units, up to eight ETERNUS DX S2s can be connected.
Figure 1.6 System configuration example (power synchronization with three or more server UPS units)
Server#0
Server#1 Server#3 -
Server#2
CASCADE
AC SENSOR
Power synchronized unit#1 (*2)#0 #1 #2 #3
SENSOR#0 SENSOR#1AC SENSOR
AC sensor unit#0
AC sensor unit#1
PWC
~~
Power synchronized unit#0#0 #1 #2 #3
UPS unit forServer#1
UPS unit forServer#0
UPS unit for Server#3 -
UPS unit forServer#2
*1: Do not attach a termination resistor to the branch connector on the AC sensor unit.*2: For a cascade connection, do not connect the server UPS unit to power synchronized unit#1.*3: For AC100V connections, AC cables for AC100V must be purchased separately.
(*1)
ETERNUS DX S2#0PWC
ETERNUS DX S2#1PWC
ETERNUS DX S2#2PWC
ETERNUS DX S2#3PWC
ETERNUS DX S2#4PWC
ETERNUS DX S2#5PWC
ETERNUS DX S2#6PWC
ETERNUS DX S2#7PWC
PWC
Cascade cable
AC sensor port connection cable
RS232C cable
Provided cables are indicated by solid lines.Optional cables are indicated by dotted lines.
AC cable (for AC sensor)
(*3)
(*3)
AC cable (for AC power input)
(*3)
(*3)
(*3)
(*3)
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Chapter 1 Overview 1.6 Power Management for Power Synchronization
1.6 Power Management for Power Synchronization
This section explains power management with a power synchronized unit.
The power synchronized unit detects the AC power output of the target devices for power synchronization and commands the ETERNUS DX S2 to synchronize the power with the target devices.When the power synchronized unit detects the AC power output of any server UPS unit, the power synchronized unit commands the ETERNUS DX S2 to turn on.When the power synchronized unit does not detect AC power output in any of the server UPS units, the power synchronized unit commands the ETERNUS DX S2 to turn off.The server UPS unit must have a function in the management software that controls the AC power output according to when the server powers on and off. The server UPS unit must have one unused outlet to connect to the power synchronized unit.
Connect the power cords of the ETERNUS DX S2 and the power synchronized unit to a UPS (UPS for the ETERNUS DX S2) that uses a power line that is not the same as the server UPS unit. This enables power to be supplied or stopped according to the scheduled operations and the power failure settings of the server.
■ Powering on sequence for turning on power or power recovery
Figure 1.7 Power on using a power synchronized unit
ETERNUS DX S2
PWC
Power synchronized unit
PWC
UPS unit forServer#0
Server#0
UPS unit forServer#1
4
5
3, 6 3, 62 2
1
UPS managementsoftware
Server#1
UPS managementsoftware
ETERNUS DX S2UPS unit
UPS settingUPS setting
RS232C cable
An instruction isissued to turn onthe ETERNUSDX S2 when AC output is detected.
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Chapter 1 Overview 1.6 Power Management for Power Synchronization
1 Power on of an ETERNUS DX S2 UPS unit
2 Issuance of command to turn on the server (power on of the server UPS units)
3 Server startup (OS startup is suspended)The server OS startup is suspended until the ETERNUS DX S2 startup is complete. For the set suspend time of the server, refer to "Figure 1.8 Operation timing chart when using a power synchronized unit (powering on)" (page 30).
4 Issuance of command to turn on the ETERNUS DX S2 from the power synchronized unit
5 ETERNUS DX S2 startup
6 Server OS startup
The following figure shows the timing chart of power on operations for scheduled operations and power recovery. For details about setting items and values, refer to the manual of the expansion card that is installed in the UPS unit and the manual of the UPS management software that is used.
Figure 1.8 Operation timing chart when using a power synchronized unit (powering on)
3 OS startup suspensionShutdown state Operating6 OS startup
ONOFF
ONOFF
ETERNUS DX S2
Server UPS unit
Server
ETERNUS DX S2 UPS unit
2 Issuance of command to turn on the server
2 Power on of the server UPS unit (Power supply starts)
4 Issuance of command to turn on the ETERNUS DX S2 from the power synchronized unit
S1(>E1)
5 Startup Operating
E1
1 Power on of an ETERNUS DX S2 UPS unit (Power supply starts)
S1: Waiting time interval starting from when the command is issued to turn on the server to the beginning of the OS startup process. Set a longer time than the time that is required to complete ETERNUS DX S2 startup (E1).E1: Time that is required to complete ETERNUS DX S2 startup from the start of powering on of the ETERNUS DX S2 ETERNUS DX60 S2 : Three minutes and more ETERNUS DX80 S2/DX90 S2: Two minutes and more
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Chapter 1 Overview 1.6 Power Management for Power Synchronization
■ Powering off sequence for turning off power or power recovery
Figure 1.9 Power off using a power synchronized unit
(0 Power failure occurred (commercial power is stopped))
1 Shutdown of all the servers
2 Shutdown of all the server UPS units
3 Issuance of command to turn off the ETERNUS DX S2 from the power synchronized unit
4 ETERNUS DX S2 shutdown
5 Shutdown of the ETERNUS DX S2 UPS unit
ETERNUS DX S2
PWC
Power synchronized unit
PWC
UPS unit forServer#0
Server#0
UPS unit forServer#1
3
4
1 12 2
5
UPS managementsoftware
Server#1
UPS managementsoftware
ETERNUS DX S2UPS unit
UPS settingUPS setting
RS232C cable
An instruction is issued to turn off the ETERNUS DX S2 when no AC output is detected.
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Chapter 1 Overview 1.6 Power Management for Power Synchronization
The following figure shows the timing chart of power off operations for scheduled operations or for when a power failure occurs. For details about setting items and values, refer to the manual of the expansion card that is installed in the UPS unit and the manual of the UPS management soft-ware that is used.
Figure 1.10 Operation timing chart when using a power synchronized unit (powering off)
Shutdown stateOperating
ON
OFF
OFF
ON OFF
ETERNUS DX S2
Server UPS unit
Server
ETERNUS DX S2 UPS unit
1 Shutdown of the server (Server shutdown starts)
3 Issuance of command to shut down the ETERNUS DX S2 from the power synchronized unit
S3(>S2)
S2
E3(>S3+E2)
Operating (Power is on)
E2 (Six minutes and more)
5 UPS shutdown (Power supply stops)
S2: Processing time for server shutdown
E2: Required time to turn off the ETERNUS DX S2 (six minutes and more)S3: Battery operation time until server UPS unit shutdown when a power failure occurs.
E3: Battery operation time until ETERNUS DX S2 UPS unit shutdown when a power failure occurs.
Shutdown process
4 Shutdown process
2 UPS shutdown (Power supply stops)
(0 Power failure occurred (commercial power is stopped))
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Chapter 2 Installation
This chapter describes the installation procedures for the power synchronized unit and the AC sensor unit.
Make sure to check "Safety Precautions" (page 10) before installation.
2.1 Package Contents Check
Check the list of package contents in Table 2.1 and Table 2.2 to confirm that there are no missing parts.
If there are missing parts, contact your sales representative.
Table 2.1 List of package contents (power synchronized unit)
Table 2.2 List of package contents (AC sensor unit)
Package contents Quantity Note
Power synchronized unit 1 —
AC cable 34mCable for AC power input: 1AC sensor cable: 2
RS232C cable 2 1mFor ETERNUS DX S2 connection
Rack mount kit One set —
User's Guide 1 This manual
Package contents Quantity Note
AC sensor unit 1 —
AC cable 1 4mAC sensor cable: 1
AC sensor port connection cable 1 4mFor power synchronized unit connection
Branch connector 1 —
Rubber foot 4 This is not used when the AC sensor unit is installed in a rack.
Rack mount kit One set —
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Chapter 2 Installation 2.2 Preparation
2.2 Preparation
2.2.1 Installation Area
■ Placement area
Refer to the placement area of the rack to install the power synchronized unit and the AC sensor unit.
■ Installation condition
Install the power synchronized unit and the AC sensor unit in an area that meets all the condi-tions described in "Instructions for installation" (page 11) of "Safety Precautions".
2.2.2 Checking Power Sockets
Check the required type and number of power sockets.
■ Type of power sockets
Table 2.3 shows the receptacle type (power socket) that matches the plug type of the AC cable (for AC power input) and the cable length.
Table 2.3 Power socket type and AC cable (for AC power input) length
■ No. of power sockets
One power socket is required for each power synchronized unit. Connect the power synchronized unit to the power socket that belongs to the same power line as the ETERNUS DX S2.
IMPORTANT When determining the rack-mounting layout, consider the length of each AC cable. For example, a power synchronized unit that is installed at the top of a 1,800mm rack requires about 2m of AC cable (4m) to reach the bottom of the rack.
Product name Plug type Receptacletype
Cable length Note
Power synchronized unit(AC250V specification)
NEMA L6-15P NEMA L6-15R
4m 250V 15A
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Chapter 2 Installation 2.3 Installing in a Rack
2.3 Installing in a Rack
This section explains how to install a power synchronized unit and an AC sensor unit in a rack.
Make sure to check "Safety Precautions" (page 10) before installing the power synchronized unit and the AC sensor unit in a rack. Also refer to the manual that is provided with the racks.
CAUTIONDo
• If the power synchronized unit and the AC sensor unit are installed or disassembled other than as described in this manual, device failure or electrical shock may occur.
• The power synchronized unit contains delicate components, and should be handled gently. Do not drop or knock the power synchronized unit against the rack during installation.
• For an empty space in a rack without installed components, install the blank panel that is provided with the rack.
Do Not
• When installing the power synchronized unit with other devices in the same rack, the airflow of the device installed on and under the power synchronized unit may interfere with each other and affect the cooling of the device. Make sure to leave plenty of room between the devices if required. Not doing so may damage the power synchronized unit and cause the power synchronized unit to malfunction.
• Do not obstruct the air vents in the power synchronized unit.
Temperature
• For enclosed racks with doors, or when multiple devices are installed and running, the temperature inside the rack is considerably higher than the temperature of the room. Make sure the temperature inside the rack is lower than 40°C. Not doing so may damage the power synchronized unit.
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Chapter 2 Installation 2.3 Installing in a Rack
2.3.1 Installing a Power Synchronized Unit
This section describes how to install a power synchronized unit in a rack.
■ Checking the package contents of the rack mount kit
Check the following package contents to confirm that there are no missing parts. If there are missing parts, contact your sales representative.
■ Procedure for installing a power synchronized unit
Procedure
1 Open the front and rear doors of the rack.
2 Attach the M6 cage nuts to the rear rack pillar.
• Attachment positionsInsert four M6 cage nuts in the 1st and 3rd holes above the power synchronized unit base line.
❏ L-shaped bracket: 2
Same for right and left.
❏ M3 flat head screw: 4For attaching L-shaped brackets
❏ M6 cage nut: 4
Used when the holes in the rack pillars are square
❏ M6 cross recessed head screw with captive washer: 4
❏ Blank panel: 1
(Rear rack pillars)
Base line ofpower synchronized unit
1st position3rd position
1U (power synchronized unit size)
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Chapter 2 Installation 2.3 Installing in a Rack
• Attachment procedure
3 Attach the L-shaped brackets to the power synchronized unit.Use four M3 flat head screws to attach the L-shaped brackets to the power synchronized unit on both sides.
Clip the M6 cage nut tabs into the desiredhole from the inside.
Top view
M6 cage nut
Rack pillar (square)
M3 flat head screws
L-shaped bracket
M3 flat head screws
L-shaped bracket
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Chapter 2 Installation 2.3 Installing in a Rack
4 Install the power synchronized unit in the rack.Use four M6 cross recessed head screws with captive washer to fasten the power synchronized unit in the rack.
5 Attach the blank panel to the rack front.The blank panel should be attached at the same height as the power synchronized unit.
End of procedure
(Rear rack pillars)
M6 cross recessed head screws with captive washer
M6 cross recessed head screws with captive washer
(Front rack pillars)
(Rear rack pillars)
Blank panel
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Chapter 2 Installation 2.3 Installing in a Rack
2.3.2 Installing an AC Sensor Unit
This section describes how to install an AC sensor unit in a rack.
■ Checking the package contents of the rack mount kit
Check the following package contents to confirm that there are no missing parts. If there are missing parts, contact your sales representative.
IMPORTANT The length of the AC cable (for AC sensor) that connects the AC sensor unit and the server UPS unit is 4m. Install the AC sensor unit in the same rack as the server UPS unit.
❏ Shelf plate: 1 ❏ L-shaped bracket: 2
Same for right and left.
❏ M4 cross recessed head screw with captive washer: 2
❏ M3 cross recessed head screw with captive washer: 4
❏ M6 cage nut: 4
Used when the holes in the rack pillars are square
❏ M6 cross recessed head screw with captive washer: 4
❏ Blank panel: 1
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Chapter 2 Installation 2.3 Installing in a Rack
■ Procedure for installing an AC sensor unit
Procedure
1 Open the front and rear doors of the rack.
2 Attach the M6 cage nuts to the rear rack pillar.
• Attachment positionsInsert four M6 cage nuts in the 1st and 3rd holes above the AC sensor unit base line.
• Attachment procedure
3 Attach the L-shaped brackets to the AC sensor unit.Use four M3 cross recessed head screws with captive washer to attach the L-shaped brackets to the AC sensor unit on both sides.
(Rear rack pillars)
Base line of AC sensor unit
1st position3rd position
1U (AC sensor unit size)
Clip the M6 cage nut tabs into the desiredhole from the inside.
Top view
M6 cage nut
Rack pillar (square)
M3 cross recessed head screwswith captive washerL-shaped bracket
L-shaped bracketM3 cross recessed head screws with captive washer
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Chapter 2 Installation 2.3 Installing in a Rack
4 Attach the shelf plate to the AC sensor unit.Use two M4 cross recessed head screws with captive washer to attach the shelf plate to the AC sensor unit.
5 Attach the shelf plate to the rack.Use four M6 cross recessed head screws with captive washer to fasten the shelf plate in the rack.
Up to two AC sensor units can be attached to the same shelf plate. Attach the first AC sensor unit on the right side when facing the shelf plate as shown in the figure above.
M4 cross recessed head screws with captive washer
Shelf plate
(Rear rack pillars)
M6 cross recessed head screws with captive washer
M6 cross recessed head screws with captive washer
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Chapter 2 Installation 2.3 Installing in a Rack
6 Attach the blank panel to the rack front.The blank panel should be attached at the same height as the AC sensor unit.
End of procedure
(Front rack pillars)
(Rear rack pillars)
Blank panel
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Chapter 3 Powering On and Off
This chapter explains how to turn on and off the power synchronized unit.
■ Powering on
When an AC cable (for AC power input) is connected to the AC IN port and the power socket, the power synchronized unit turns on.For details about how to connect an AC cable (for AC power input), refer to "4.2 Turning on the Power Synchronized Unit" (page 47).
■ Powering off
When an AC cable (for AC power input) is disconnected from the AC IN port, the power synchro-nized unit turns off.
For normal operation, there is no need to turn the power off.If the power synchronized unit must be turned off, such as before any inspections of power supply devices are performed, check that the power synchronized unit and the devices that connect the power synchronized unit are all turned off before disconnecting the AC cables (for AC power input).
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Chapter 4 Connection and Settings
This chapter describes the installation and setting procedures for a power synchronized unit and an AC sensor unit.
If your sales representative or maintenance engineer does not perform the settings of the power synchronized unit and the AC sensor unit, perform the settings yourself.
For the connection and setting details of a device that is connected to the power synchronized unit, refer to the manual that is provided with the connected device.
■ Workflow
Perform the following procedure for connection and settings:
Procedure
1 Set the ETERNUS DX S2.For details, refer to "4.1 Setting the ETERNUS DX S2" (page 45).
2 Turn on the power synchronized unit.For details, refer to "4.2 Turning on the Power Synchronized Unit" (page 47).
3 When five or more ETERNUS DX S2s are installed, connect the cascade cables.For details, refer to "4.3 Connecting Cascade Cables" (page 50).
4 Connect the power synchronized unit to the server UPS unit.For details, refer to "4.4.1 Connecting the Server UPS Unit to the Power Synchronized Unit" (page 53).
5 When three or more server UPS units are connected, connect the AC sensor unit.For details, refer to "4.4.2 Connecting the AC Sensor Unit" (page 54).
6 Connect the power synchronized unit to the ETERNUS DX S2.For details, refer to "4.5 Connecting to the ETERNUS DX S2" (page 57).
End of procedure
Attach labels to each cable that is to be connected and make a note of the connection source and destination. This helps with cable management and prevents incorrect connections.
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Chapter 4 Connection and Settings 4.1 Setting the ETERNUS DX S2
4.1 Setting the ETERNUS DX S2
Perform the necessary settings for power synchronization by using the setting and maintenance program of the ETERNUS DX S2.
■ ETERNUS DX80 S2/DX90 S2
This section explains the setting items on the power synchronization setting screen for the ETERNUS DX80 S2/DX90 S2 Disk storage system.
Figure 4.1 ETERNUS DX80 S2/DX90 S2 setup (Setup Power Management screen)
• EnableSelect the controllers (CM#0 and/or CM#1) of the ETERNUS DX80 S2/DX90 S2 Disk storage system that are connected to the power synchronized unit with the RS232C cable.Select "CM#0" when the power synchronized unit is connected to the PWC port on controller 0. Select "CM#1" when the power synchronized unit is connected to the PWC port on controller 1.When different power synchronized units are connected to controller 0 and controller 1 in a duplicated configuration, select both "CM#0" and "CM#1".
• Delay until Shutdown (min.)Do not change the default setting (0 minute).
• Set management unit interfaceSelect "Power Synchronized Unit".
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Chapter 4 Connection and Settings 4.1 Setting the ETERNUS DX S2
• Power Failure Signal"Positive" (positive logic) is automatically set.
• Low Battery Signal"Negative" (negative logic) is automatically set.
• UPS Shutdown SignalDo not select the "Enable" checkbox."Positive" (positive logic) is set by default.
• Auto PowerSelect "Disable".
• Power ResumeSelect "Disable".
■ ETERNUS DX60 S2
This section explains the setting items on the power synchronization setting screen for the ETERNUS DX60 S2 Disk storage system.
Figure 4.2 ETERNUS DX60 S2 setup (Setup Power Management screen)
• EnableSelect the controllers (CM#0 and/or CM#1) of the ETERNUS DX60 S2 Disk storage system that are connected to the power synchronized unit with the RS232C cable. Select "CM#0" when the power synchronized unit is connected to the PWC port on controller 0. Select "CM#1" when the power synchronized unit is connected to the PWC port on controller 1.When different power synchronized units are connected to controller 0 and controller 1 in a duplicated configuration, select both "CM#0" and "CM#1".
• Delay until Shutdown (min.)Do not change the default setting (0 minute).
• Set management unit interfaceSelect "Power Synchronized Unit".
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Chapter 4 Connection and Settings 4.2 Turning on the Power Synchronized Unit
• Power Failure Signal"Positive" (positive logic) is automatically set.
• Low Battery Signal"Negative" (negative logic) is automatically set.
• UPS Shutdown SignalDo not select the "Enable" checkbox."Positive" (positive logic) is set by default.
4.2 Turning on the Power Synchronized Unit
Connect the AC cable (for AC power input) to the power synchronized unit to turn on the power synchronized unit.
Use one of the three AC cables (for AC power input) (4m) that are provided with the power synchronized unit.For AC100V connections, purchase AC cables for AC100V separately.
WARNINGDo Not
• Do not disconnect the power cord plug with wet hands. Doing so may cause electrical shock.
• Do not damage or modify the AC cable or the power plug. Heating, forced bending, twisting, pulling, or placing heavy objects on the AC cable or the power plug will damage it, causing fire or electrical shock.
• Do not place any stress on the root of the AC cable, such as by twisting it. Doing so may expose or cut the cable core of the AC cable, causing fire or electric shock.
• Do not use the AC cable or the power cord if it is damaged or the plug does not snugly fit into the socket. Doing so may cause electric shock or fire.
• Do not use an AC cable other than the one attached or specified. Do not use an attached AC cable or specified AC cable for other devices. Doing so may cause failure, fire, or electric shock.
Unplug
• Use a dry cloth to remove all dust from plugs and power sockets. Not doing so may cause electrical shock or fire.
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Chapter 4 Connection and Settings 4.2 Turning on the Power Synchronized Unit
■ Procedure for powering on
The procedure for turning on a power synchronized unit is described below.
Procedure
1 Connect the AC cable (for AC power input) to the power synchronized unit.
1-1 Connect the power plug of the AC cable (for AC power input) to the AC IN port.
1-2 Attach the release tie to the plug of the AC cable (for AC power input) to firmly fix the power plug to ensure it does not become unplugged.
2 Connect the power plug at the other end of the AC cable to the power socket.When the power plug is connected to the power socket, the power synchronized unit is turned on.Check that the CHECK LED is off and the POWER LED is blinking green on the power synchronized unit.
CAUTIONGround
• Use only power sockets that have a ground. Using ungrounded power sockets may cause fire, electric shock, or malfunction.
IMPORTANT Connect the power plug to the power socket that belongs to the same power line as the ETERNUS DX S2. Do not connect the power plug to a server UPS unit.
AC IN port
AC cable (for AC power input)
Release tie
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Chapter 4 Connection and Settings 4.2 Turning on the Power Synchronized Unit
End of procedure
CAUTIONDo
• Make sure the plug is fully inserted into the power socket. Not doing so may cause fire or electrical shock.
Do Not
• When unplugging the power cord, hold the plug. Do not pull on the cord. Pulling the cord may expose or snap the inner wires, which may cause fire or electrical shock.
• Do not use the server service outlet to connect the AC cable for the power synchronized unit.
• Do not overload electrical sockets. Doing so may cause electric shock or fire.
Unplug
• When the power synchronized unit is not used for a long period of time, unplug all power plugs. Not doing so may cause fire.
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Chapter 4 Connection and Settings 4.3 Connecting Cascade Cables
4.3 Connecting Cascade Cables
When two power synchronized units are cascaded, use the cascade cable to connect the power synchronized units.Cascade cables must be purchased separately.
A connection figure for the cascade cable is shown below.
Figure 4.3 Cascade cable connection
IMPORTANT • When the power synchronized units are cascaded, the unit that is connected to the server UPS unit is "power synchronized unit#0".
• Do not attach a branch connector or a termination resistor to the CASCADE port or the AC SENSOR port. Doing so makes operations unstable.
CAUTIONDo
• When connecting external (signal, power, etc.) cables, avoid placing stress on them. Not doing so may damage the cables.
Do Not
• Do not bend the cable too much or bind it up. Doing so may damage the cable and cause the power synchronized unit to malfunction.
Power synchronized unit#1
Power synchronized unit#0
Server#0UPS unit for Server#0
Server#1UPS unit for
Server#1
Cascade cable(optional)
AC cable (for AC sensor)
AC SENSOR port
CASCADE port
SENSOR ports
90
Do not bend square Do not bind up
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Chapter 4 Connection and Settings 4.3 Connecting Cascade Cables
■ Procedure for cascade cable connection
The procedure for connecting a cascade cable is described below.
Procedure
1 Connect the cascade cable to power synchronized unit#0.Connect the cascade cable connector to the CASCADE port.
2 Check that power synchronized unit#1 is turned on.Check that the CHECK LED is off and the POWER LED is blinking green on the power synchronized unit.
3 Connect the connector at the other end to power synchronized unit#1.Connect the connector at the other end of the cascade cable to the AC SENSOR port.
End of procedure
When connecting the cascade cable, check the direction of the connector tab and firmly insert it all the way in.When disconnecting a cascade cable, hold the tab of the connector while pulling it out.
Power synchronized unit#0 CASCADE port
Cascade cable
Power synchronized unit#1
Cascade cable
AC SENSOR port
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Chapter 4 Connection and Settings 4.4 Connecting to the Server UPS Unit
4.4 Connecting to the Server UPS Unit
Connect the server UPS unit to the power synchronized unit.
When three or more server UPS units are connected or when the server UPS unit is placed 4m or more away from the power synchronized unit, use the AC sensor unit.
The following figure shows server UPS unit and AC sensor unit connection.
Figure 4.4 Connection for the server UPS units and the AC sensor units
For details about settings for a server UPS unit that is connected to the power synchronized unit, refer to the manual that is provided with the server UPS unit and perform the appropriate settings.
IMPORTANT The AC cable (for AC sensor) that is connected to a server UPS unit is a cable for detecting the AC output status of a server UPS unit. This cable does not supply AC power to the power synchronized unit.
Power synchronized unit
Server#3
Server#2UPS unit for Server#2
UPS unit for Server#3
Server#1
Server#0
UPS unit for Server#1
UPS unit for Server#0
AC sensor unit
AC cable (for AC sensor)(provided with an AC sensor unit)
AC cable (for AC sensor)(provided with a power
synchronized unit)
AC sensor port connection cable(provided with an AC sensor unit)
....
SENSOR#0 port SENSOR#1 port
AC In port Branch connector
AC SENSOR port
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Chapter 4 Connection and Settings 4.4 Connecting to the Server UPS Unit
4.4.1 Connecting the Server UPS Unit to the Power Synchronized Unit
This section describes the procedure for connecting a power synchronized unit to a server UPS unit with the AC cable (for AC sensor).Use two of the three AC cables (for AC sensor) (4m) that are provided with the power synchro-nized unit.For AC100V connections, purchase AC cables for AC100V separately.
Procedure
1 Connect the AC cables (for AC sensor) to the power synchronized unit.
1-1 Connect the plugs of the AC cables (for AC sensor) to SENSOR#0 port and SENSOR#1 port on the power synchronized unit.
CAUTIONDo
• When connecting external (signal, power, etc.) cables, avoid placing stress on them. Not doing so may damage the cables.
Do Not
• Do not bend the cable too much or bind it up. Doing so may damage the cable and cause the power synchronized unit to malfunction.
90
Do not bend square Do not bind up
SENSOR#0 port SENSOR#1 portAC cable
(for AC sensor)
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Chapter 4 Connection and Settings 4.4 Connecting to the Server UPS Unit
1-2 Attach the release ties to the plugs of the AC cables (for AC sensor) to firmly fix the power plugs to ensure they do not become unplugged.
2 Connect the plugs at the other ends to the server UPS units.Connect the plugs of the AC cables (for AC sensor) at the other ends to the output outlets of the server UPS units.
End of procedure
4.4.2 Connecting the AC Sensor Unit
To use the AC sensor unit, connect the server UPS unit and the AC sensor unit with the AC cable (for AC sensor), and connect the AC sensor unit and the power synchronized unit with the AC sensor port connection cable.
One AC cable (for AC sensor) (4m) and one AC sensor port connection cable (4m) are provided with an AC sensor unit.For AC100V connections, purchase AC cables for AC100V separately.
Procedure
1 Connect the AC sensor unit and the server UPS unit with the AC cable (for AC sensor).
1-1 Connect the plug of the AC cable (for AC sensor) to the AC In port on the AC sensor unit.
1-2 Connect the plug at the other end of the AC cable (for AC sensor) to the outlet of the server UPS unit.
Release ties
AC In port
AC cable (for AC sensor)
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Chapter 4 Connection and Settings 4.4 Connecting to the Server UPS Unit
2 Connect the AC sensor unit to the power synchronized unit with the AC sensor port connection cable.
2-1 Attach the branch connector to the AC sensor output port of the AC sensor unit.A branch connector is provided with the AC sensor unit.
2-2 Connect the AC sensor port connection cable to one of the ports on the branch connector that was attached in Step 2-1.
2-3 Connect the connector at the other end of the AC sensor port connection cable to the AC SENSOR port on the power synchronized unit.
When connecting the AC sensor port connection cable, check the connector orientation and then firmly push it all the way in.When disconnecting the AC sensor port connection cable, hold the tab of the connector while pulling it out.
AC sensor output port
Branch connector
AC sensor port connection cable
Branch connector
AC sensor port connection cable
AC SENSOR portPower synchronized unit
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Chapter 4 Connection and Settings 4.4 Connecting to the Server UPS Unit
3 When two or more AC sensor units are connected, connect the AC sensor units with the AC sensor port connection cables.
3-1 Connect the AC sensor port connection cable to the other port on the branch connector.
3-2 Connect the connector at the other end of the AC sensor port connection cable to another AC sensor unit.
End of procedure
IMPORTANT • Up to 14 AC sensor units can be connected.• Do not attach a termination resistor to the branch connector on
the AC sensor unit. Doing so makes operations unstable.
AC sensor port connection cable
AC sensor port connection cable
Branch connector
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Chapter 4 Connection and Settings 4.5 Connecting to the ETERNUS DX S2
4.5 Connecting to the ETERNUS DX S2
Connect the power synchronized unit to the ETERNUS DX S2 with the RS232C cable.
Two RS232C cables (1m) are provided with a power synchronized unit. If the length of the cable is too short or three or more cables are required, purchase more RS232C cables.
■ Procedure for RS232C cable connection
The procedure for connecting an RS232C cable is described below.
IMPORTANT Up to four ETERNUS DX S2s can be connected to each power synchronized unit. When power synchronized units are cascaded, up to eight ETERNUS DX S2s can be connected.
CAUTIONDo
• When connecting external (signal, power, etc.) cables, avoid placing stress on them. Not doing so may damage the cables.
Do Not
• Do not bend the cable too much or bind it up. Doing so may damage the cable and cause the power synchronized unit to malfunction.
90
Do not bend square Do not bind up
When connecting the RS232C cable, check the connector orientation and then firmly push it all the way in.When disconnecting the RS232C cable, hold the tab of the connector while pulling it out.
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Chapter 4 Connection and Settings 4.5 Connecting to the ETERNUS DX S2
Procedure
1 Connect the RS232C cable to the power synchronized unit.Connect the RS232C cable connector to the PWC port on the power synchronized unit.
2 Connect the connector at the other end to the ETERNUS DX S2.Connect the connector at the other end of the RS232C cable to the PWC port on the ETERNUS DX S2.
• ETERNUS DX80 S2/DX90 S2
The direction of the connector that is connected to the PWC port on the ETERNUS DX S2 is upside down to the connector that is connected to the PWC port on the power synchronized unit.
PWC portsRS232C cable
PWC
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Chapter 4 Connection and Settings 4.6 Checking after Connection
• ETERNUS DX60 S2
End of procedure
4.6 Checking after Connection
After connecting all the devices, check that the POWER LED on the power synchronized unit is green or blinking green. Perform a test to check that the ETERNUS DX S2 turns on/off with the server as necessary.
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Chapter 5 Adding a Connecting Device
Devices (servers, power synchronized units, and ETERNUS DX S2s) that are to be power syn-chronized can be added during system operation.
This chapter explains how to connect a power synchronized unit when these devices are added.
Make sure to check "Safety Precautions" (page 10) or the manual provided with the server or the ETERNUS DX S2 before adding a device.
5.1 Connection Procedure when Adding a Server
This section describes how to connect the power synchronized unit to synchronize power with an added server.
For details about server installation, connection, and settings, refer to the manual provided with the server.
Procedure
1 Connect the server UPS unit for the added server to the power synchronized unit.An example of a connection between server UPS units and a power synchronized unit is shown below.
For details about how to connect a server UPS unit to the power synchronized unit, refer to "4.4.1 Connecting the Server UPS Unit to the Power Synchronized Unit" (page 53).
Power synchronized unit
Server#0
Server#1UPS unit forServer#1
UPS unit for Server#0
AC cable (for AC sensor)(provided with a power
synchronized unit)
Added server
SENSOR#1 port
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Chapter 5 Adding a Connecting Device 5.1 Connection Procedure when Adding a Server
2 When two or more servers are added, use the AC sensor units to connect the server UPS units for the added servers to the power synchronized unit.An example of connecting AC sensor units, server UPS units, and a power synchronized unit is shown below.
1 Connect the server UPS units and the AC sensor units.
2 Connect the AC sensor units and the power synchronized unit.
3 When two or more AC sensor units are used, connect the AC sensor units.For details about the connection procedure when using an AC sensor unit, refer to "4.4.2 Connecting the AC Sensor Unit" (page 54).
End of procedure
After the procedure is complete, check that power synchronization performs normally if necessary.
Power synchronized unit
Server#1
Server#2UPS unit forServer#2
Server#3UPS unit forServer#3
Server#0
UPS unit for Server#1
UPS unit for Server#0
AC sensor unit
AC cable (for AC sensor)(provided with an AC sensor unit)
AC sensor port connection cable(provided with an AC sensor unit)
Added server
Added server AC In port
Branch connector
AC SENSOR port
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Chapter 5 Adding a Connecting Device 5.2 Connection Procedure when Adding an ETERNUS DX S2
5.2 Connection Procedure when Adding an ETERNUS DX S2
This section describes how to connect the power synchronized unit when an ETERNUS DX S2 is added.
For details about ETERNUS DX S2 installation, connection, and settings, refer to one of the fol-lowing manuals:
• ETERNUS DX60 S2 Disk storage system User's Guide -Installation-• ETERNUS DX80 S2/DX90 S2 Disk storage system User's Guide -Installation-
■ Adding up to four ETERNUS DX S2s
The connection procedure when up to four ETERNUS DX S2s are added is described below.
Procedure
1 Set the required settings for power synchronization of the ETERNUS DX S2s that are to be added.For details about the ETERNUS DX S2 settings, refer to "4.1 Setting the ETERNUS DX S2" (page 45).
2 Connect the ETERNUS DX S2s to the power synchronized unit.An example of a connection between ETERNUS DX S2s and a power synchronized unit is shown below.
For details about how to connect an ETERNUS DX S2 to the power synchronized unit, refer to "4.5 Connecting to the ETERNUS DX S2" (page 57).
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Chapter 5 Adding a Connecting Device 5.2 Connection Procedure when Adding an ETERNUS DX S2
End of procedure
Power synchronization starts when the connection is complete. Check that power synchronization performs normally.
■ Adding five or more ETERNUS DX S2s
To add five or more ETERNUS DX S2s, cascade the power synchronized units by adding another power synchronized unit.
The procedure is described below.
Procedure
1 Set the required settings for power synchronization of the ETERNUS DX S2s that are to be added.For details about the ETERNUS DX S2 settings, refer to "4.1 Setting the ETERNUS DX S2" (page 45).
2 Install the power synchronized unit that is to be added in the rack.For details about how to install a power synchronized unit, refer to "2.3.1 Installing a Power Synchronized Unit" (page 36).
3 Turn on the added power synchronized unit.For details about how to turn on a power synchronized unit, refer to "4.2 Turning on the Power Synchronized Unit" (page 47).
Power synchronized unit
ETERNUS DX S2#0
PWC
ETERNUS DX S2#1
PWC
ETERNUS DX S2#2
PWC
ETERNUS DX S2#3
PWC
Added ETERNUS DX S2
Added ETERNUS DX S2
Added ETERNUS DX S2
Server#0UPS unit forServer#0
Server#1UPS unit for
Server#1
RS232C cables(optional)
RS232C cable(provided with apower synchronized unit)
PWC#0 PWC#1 PWC#2 PWC#3
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Chapter 5 Adding a Connecting Device 5.2 Connection Procedure when Adding an ETERNUS DX S2
4 Cascade two power synchronized units.A cascade connection example is shown below.
For details about cascade connection, refer to "4.3 Connecting Cascade Cables" (page 50).
Power synchronized unit#1
Power synchronized unit#0
Server#0UPS unit forServer#0
Server#1UPS unit for
Server#1
Cascade cable(optional)
AC SENSOR port
CASCADE port
ETERNUS DX S2#0
PWC
ETERNUS DX S2#1
PWC
ETERNUS DX S2#2
PWC
ETERNUS DX S2#3
PWC
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Chapter 5 Adding a Connecting Device 5.2 Connection Procedure when Adding an ETERNUS DX S2
5 Connect the ETERNUS DX S2s to the power synchronized units.An example of a connection between five or more ETERNUS DX S2s and power synchronized units is shown below.
For details about how to connect an ETERNUS DX S2 to the power synchronized unit, refer to "4.5 Connecting to the ETERNUS DX S2" (page 57).
End of procedure
Power synchronization starts when connection is complete. Check that power synchronization performs normally.
Power synchronized unit#1
Power synchronized unit#0
Added ETERNUS DX S2s
Server#0UPS unit for Server#0
Server#1UPS unit for
Server#1
PWC#0 PWC#1 PWC#2 PWC#3
RS232C cables(optional)
RS232C cables(provided with a power synchronized unit)
ETERNUS DX S2#4
PWC
ETERNUS DX S2#5
PWC
ETERNUS DX S2#6
PWC
ETERNUS DX S2#7
PWC
ETERNUS DX S2#0
ETERNUS DX S2#1
ETERNUS DX S2#2
ETERNUS DX S2#3
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Chapter 6 Operation and Maintenance
This chapter describes maintenance and troubleshooting after starting system operation.
6.1 Checking the Power Synchronized Unit Status
Check the LEDs on the power synchronized unit regularly.
Table 6.1 shows the status and meanings of each LED.
Table 6.1 Status and meanings of each LED
LED name Function LEDstatus Power synchronized unit status
POWER(green)
Displays the power status of the power synchronized unit.
(off) The power synchronized unit is off.
(on)
After the power synchronized unit is turned on, the following condition for powering on the ETERNUS DX S2 is detected.
• AC output from server UPS units using the SENSOR port, the AC SENSOR port, or the CASCADE port
(blinks)
• Even though the power synchronized unit is turned on, the following condition for powering on the ETERNUS DX S2 is not detected.
- AC output from server UPS units using the SENSOR port, the AC SENSOR port, or the CASCADE port
• The power synchronized unit is starting up.
POWER SENSOR(green)
Displays that the power synchronized unit has commanded the ETERNUS DX S2 to turn on or off.
(off)
The following condition is not detected and the power synchronized unit commands the ETERNUS DX S2 to turn off.
• AC output from server UPS units using the SENSOR port, the AC SENSOR port, and the CASCADE port
(on)
The following condition is detected and the power synchronized unit commands the ETERNUS DX S2 to turn on.
• AC output from server UPS units using the SENSOR port, the AC SENSOR port, or the CASCADE port
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Chapter 6 Operation and Maintenance 6.1 Checking the Power Synchronized Unit Status
POWER CONTROL(green)
Displays the power status of the ETERNUS DX S2.
(off) All of the ETERNUS DX S2s are off.
(on) The ETERNUS DX S2s is on.
(blinks)
The ETERNUS DX S2 is still on even after the power synchronized unit commands the ETERNUS DX S2 to turn off (such as when shutting down the ETERNUS DX S2).
CHECK (Yellow)
Displays the starting status of the power synchronized unit.
(off) The power synchronized unit is operating normally.
(on) The power synchronized unit is starting up.
LED name Function LEDstatus Power synchronized unit status
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Chapter 6 Operation and Maintenance 6.2 Device Replacement After Operation Startup
6.2 Device Replacement After Operation Startup
This section explains the procedure to replace devices after starting system operation.
• Replacing a Server• Replacing a Power Synchronized Unit• Replacing an AC Sensor Unit
6.2.1 Replacing a Server
The following procedure provides an overview of the required work to replace a server, such as when a server fails. Refer to the relevant manuals for more details.
Procedure
1 Replace the server.
2 Perform the necessary settings for the replacement server.
3 Connect the replacement server to the server UPS unit.
End of procedure
After the procedure is complete, check that power synchronization performs normally if necessary.
CAUTIONDo
• Ask your maintenance engineer to replace devices.
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Chapter 6 Operation and Maintenance 6.2 Device Replacement After Operation Startup
6.2.2 Replacing a Power Synchronized Unit
The following procedure provides an overview of the required work to replace a power synchronized unit, such as when a power synchronized unit fails.
Procedure
1 Remove the RS232C cable from the power synchronized unit.For cascade connections, remove all the RS232C cables from the cascade destination (power synchronized unit#1).
2 Remove the AC cables (for AC sensor), the AC sensor port connection cables, and the cascade cables from the power synchronized unit.
3 Remove the AC cable (for AC power input) from the power synchronized unit and turn off the power synchronized unit.
4 Remove the power synchronized unit from the rack.
5 Install the new power synchronized unit and connect the required cables.To connect the cables, perform the procedure for disconnecting cables in reverse. Connect the RS232C cables last.
End of procedure
After completing cable connection, check that power synchronization performs normally if necessary.
6.2.3 Replacing an AC Sensor Unit
The following procedure provides an overview of the required work to replace an AC sensor unit, such as when an AC sensor unit fails.
Procedure
1 Remove the RS232C cable from the power synchronized unit.For cascade connections, remove all the RS232C cables from the cascade destination (power synchronized unit#1).
2 Remove the AC sensor port connection cable from the AC sensor unit.
IMPORTANT Make sure to use the following procedure to replace a power synchronized unit.
IMPORTANT Make sure to use the following procedure to replace an AC sensor unit.
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Chapter 6 Operation and Maintenance 6.3 Troubleshooting
3 Remove the AC cable (for AC sensor) from the AC sensor unit.
4 Remove the AC sensor unit from the rack.
5 Install the new AC sensor unit and connect the required cables.To connect the cables, perform the procedure for disconnecting cables in reverse. Connect the RS232C cables last.
End of procedure
After completing cable connection, check that power synchronization performs normally if necessary.
6.3 Troubleshooting
If you notice anything unusual during operation such as the conditions listed below, refer to "6.3.1 Check List" (page 70) to check the power synchronized unit status, accurately record the status on the form provided in "6.3.2 Trouble Record" (page 73), and contact your maintenance engineer.
• Unusual phenomena occurs during operation of the power synchronized unit• The power synchronized unit does not turn on• The ETERNUS DX S2 does not turn off with the power synchronized server• The ETERNUS DX S2 does not turn on with the power synchronized server
6.3.1 Check List
■ Unusual phenomena occurs during operation of the power synchronized unit
If any of the following conditions apply to the power synchronized unit, remove the AC cables of the power synchronized unit and contact your maintenance engineer.
• Abnormally hot• Unusual odor• Emission of smoke• Unusual noise• Abnormal shaking
IMPORTANT Remove the AC cable (for AC power input) that is connected to the AC IN port first, then remove the AC cables (for AC sensor) that are connected to the ports of SENSOR#0 and SENSOR#1.
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Chapter 6 Operation and Maintenance 6.3 Troubleshooting
■ The power synchronized unit does not turn on
Check the following points: If you still have trouble, leave the power synchronized unit as it is and contact your sales repre-sentative or maintenance engineer.
• The AC cable (for AC power input) is not correctly connected to the AC IN port.
• The CHECK LED is left on.The power synchronized unit must be replaced. Contact your sales representative or maintenance engineer.
■ The ETERNUS DX S2 does not turn off with the power synchronized server
Check the following points: If you still have trouble, leave the power synchronized unit as it is and contact your sales repre-sentative or maintenance engineer.
• The power synchronized unit is not turned on.
• The POWER LED and POWER SENSOR LED are on.- Check the status for the SENSOR#0 port and SENSOR#1 port on the power synchronized
unit and the status for the AC output of the server UPS unit to which the AC sensor unit is connected.The AC output of all the connected sever UPS units needs to be off to turn off the ETERNUS DX S2.
- Check the status for the SENSOR#0 port and SENSOR#1 port on the power synchronized unit and the status of the cable connection for the AC sensor unit.
- When the power synchronized units are cascaded, check the connection status of the cascade cables.
• The POWER LED is on and the POWER CONTROL LED is blinking.- Check that the ETERNUS DX S2 is not being turned off.
It may take up to five minutes for the ETERNUS DX S2 to turn off. Wait for a while and check that the status of the LEDs does not change.
- When different power synchronized units are connected to both controllers (CM#0 and CM#1) on the ETERNUS DX S2, the ETERNUS DX S2 must be turned off by both power synchronized units.
- Check that power synchronization with the power synchronized unit is correctly set for the ETERNUS DX S2.
WARNINGUnplug
• If the power synchronized unit overheats, gives off smoke or an unusual odor, makes an unusual sound, or shakes abnormally, or is likely to be damaged by a power abnormality, immediately remove the AC cables.After waiting a while, check that the unusual phenomena has disappeared, and then contact your sales representative or maintenance engineer.
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Chapter 6 Operation and Maintenance 6.3 Troubleshooting
■ The ETERNUS DX S2 does not turn on with the power synchronized server
• The power synchronized unit is not turned on.
• The POWER LED and POWER SENSOR LED are on.- Check that power synchronization with the power synchronized unit is correctly set for the
ETERNUS DX S2.- Check the connection status of the RS232C cable that connects the power synchronized
unit and the ETERNUS DX S2.
• When the POWER LED is on.- Check the status for the SENSOR#0 port and SENSOR#1 port on the power synchronized
unit and the status for the AC output of the server UPS unit to which the AC sensor unit is connected.The AC output of at least one of the connected sever UPS units need to be on to turn on the ETERNUS DX S2.
- Check the status for the SENSOR#0 port and SENSOR#1 port on the power synchronized unit and the status of the cable connection for the AC sensor unit.
- When the power synchronized units are cascaded, check the connection status of the cascade cables.
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Chapter 6 Operation and Maintenance 6.3 Troubleshooting
6.3.2 Trouble Record
If trouble occurs, record the power synchronized unit and AC sensor unit conditions in Figure 6.1, and contact your maintenance engineer.
Figure 6.1 Trouble record
Trouble Record1: Please identify your power synchronized unit: (Check the Manufacturer’s label) MODEL SER.NO.
2: Please enter the following information: No. of connected server UPS units Model names of connected server UPS units No. of connected AC sensor units No. of connected storage systems Is the power synchronized unit cascaded?
3: Check the state of the following LEDs on the power synchronized unit: POWER POWER SENSOR POWER CONTROL CHECK 4: Is the LED on the AC sensor unit on?
5: Other
(On, Off, Blinking)(On, Off)(On, Off, Blinking)(On, Off, Blinking)
(Yes, No)
(Yes, No)
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Index
A
AC cable (for AC power input)............................ 48AC cable (for AC sensor) .............................. 53, 54AC IN port...................................................... 25, 48AC In port ...................................................... 26, 54AC sensor output port ................................... 26, 55AC SENSOR port .................................... 25, 51, 55AC sensor port connection cable ....................... 55AC sensor unit
Components ................................................. 26Connection.................................................... 54Device replacement ...................................... 69External view ................................................ 22Installing in a rack ......................................... 40Package contents ......................................... 33Rack mount kit .............................................. 39
Adding a device.................................................. 60Procedure when adding a server.................. 60Procedure when adding
an ETERNUS DX S2................................. 62
B
Branch connector ............................................... 55
C
Cascade cable.................................................... 51Cascade connection........................................... 50CASCADE port .............................................. 25, 51CHECK LED....................................................... 25Checking after connection.................................. 59Components ....................................................... 25
AC sensor unit .............................................. 26Power synchronized unit............................... 25
Connecting to the ETERNUS DX S2.................. 57Connecting to the server UPS unit ..................... 53Connection ......................................................... 44
D
Device replacement............................................ 68AC sensor unit .............................................. 69Power synchronized unit............................... 69Server ........................................................... 68
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Copyright 2012 FUJ
E
ETERNUS DX S2 setup ..................................... 45External view ...................................................... 22
AC sensor unit .............................................. 22
F
Features ............................................................. 23
I
Installation area .................................................. 34Installing in a rack............................................... 35
AC sensor unit .............................................. 40Power synchronized unit............................... 36
L
LEDStatus display................................................ 66
LED (AC sensor unit).......................................... 26
M
Maintenance after starting system operation...... 66
P
Package contents ............................................... 33AC sensor unit .............................................. 33Power synchronized unit............................... 33
POWER CONTROL LED ................................... 25POWER LED ...................................................... 25POWER SENSOR LED...................................... 25Power socket
Quantity......................................................... 34Type .............................................................. 34
Power synchronized unitComponents.................................................. 25Device replacement ...................................... 69External view................................................. 22Installing in a rack ......................................... 36Package contents ......................................... 33Rack mount kit .............................................. 36
system User’s Guide -Power Synchronized Unit-ITSU LIMITED P3AM-2532-06EN
Index
Powering off sequence....................................... 31Powering on ....................................................... 48Powering on sequence....................................... 29PWC port ....................................................... 25, 58
R
Rack mount kitAC sensor unit .............................................. 39Power synchronized unit............................... 36
RS232C cable .................................................... 58
S
SENSOR port ................................................ 25, 53Server
Device replacement ...................................... 68Settings .............................................................. 44Specifications ..................................................... 24System configuration example ........................... 27
Power synchronization with three or more server UPS units ....................................... 28
Power synchronization with two server UPS units........................................................... 27
T
Trouble record .................................................... 73Troubleshooting.................................................. 70
ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage 75
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system User’s Guide -Power Synchronized Unit-ITSU LIMITED P3AM-2532-06EN
• The contents of this manual may be updated without notice.• While the contents of this manual are the product of all due care and diligence, no
responsibility can be accepted for operational problems arising from any errors or missing information, or other use of the information contained in this manual.
• Fujitsu assumes no liability for damages to third party copyrights or other rights arising from the use of any information in this manual.
• Contents of this manual are not to be reproduced without permission from Fujitsu.• Manuals with missing or wrongly collated pages will be replaced free of charge.
ETERNUS DX60 S2/DX80 S2/DX90 S2 Disk storage system User's Guide
-Power Synchronized Unit-
P3AM-2532-06EN
Date of issuance: March 2012Issuance responsibility: FUJITSU LIMITED
Printed in Japan
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