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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
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www.huawei.com
OptiX RTN 900 V1R2 System Hardware
HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
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Page 2
Network Application -- TDM microwave transmission solution
When the OptiX RTN 910 supports the microwave transmission in three directions or more, you can adopt
the NE cascading mode or use the OptiX RTN 950, which has more powerful functions.
OptiX RTN 900 BTS BSC
E1
E1
E1
STM-1/E1 E1Regional BackhaulNetwork
E1 E1
E1
E1
E1
E1
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Network Application -- Hybrid microwave transmission solution
Regional Backhaul
Network
OptiX RTN 900 BTSNodeB BSCRNC
FE
E1
FEE1
E1
E1
FE
FE/GE
E1
GE
E1
E1
STM-1/E1
When the OptiX RTN 910 supports the microwave transmission in three directions or more, you can adopt
the NE cascading mode or use the OptiX RTN 950, which has more powerful functions.
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Page 4
Contents
• Network Position and Networking Network Position and Networking
ApplicationApplication
• System ArchitectureSystem Architecture
• Hardware StructureHardware Structure
• BoardsBoards
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Page 5
System Architecture——TDM Microwave
The SDH/PDH microwave equipment consists of a series of functional units, including the
service interface unit, timeslot cross-connect unit, IF unit, control unit, clock unit, auxiliary
interface unit, fan unit, power unit, and ODU.
Service interface
unit
Accesses E1 signals.
Accesses STM-1 signals.
Service switching
unit
Provides the cross-connect function and grooms TDM services.
IF unit Maps service signals to microwave frame signals and de-maps microwave frame signals to service signals.
Performs conversion between microwave frame signals and
IF analog signals. …
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Page 6
System Architecture——Hybrid Microwave The Hybrid microwave equipment consists of a series of functional units, including the
service interface unit, timeslot cross-connect unit, packet switching unit, IF unit, control
unit, clock unit, auxiliary interface unit, fan unit, power unit, and ODU.Service interface
unit
Accesses E1 signals
Accesses STM-1 signals
Accesses Ethernet signals.
Timeslot cross-
connect unit
Provides the cross-connect function and grooms TDM services.
Packet switching
unit
Processes Ethernet services and forwards packets.
IF unit Maps service signals to microwave frame signals and demaps microwave frame signals to service signals
Performs conversion between microwave frame signals and IF analog signals.
…
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RTN 910——Service Signal Processing Flow
SDH/PDH Microwave
Hybrid Microwave
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RTN 950 ——Service Signal Processing Flow
SDH/PDH Microwave
Hybrid Microwave
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Page 9
Contents
• Network Position and Networking Network Position and Networking
ApplicationApplication
• System ArchitectureSystem Architecture
• Hardware StructureHardware Structure
• BoardsBoards
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Page 10
Uniform platform and standard design: Two types of case-shaped equipment: IDU 910 (1U) and IDU 950 (2U)
The IDU 910 and IDU 950 support the same IF boards and service interface boards. Different system control and communication unit, switching unit, and clock unit integrated boards are
used on the IDU 910 and IDU 950.Switching capacity of the IDU 910 : 4.2G , CSHA/CSHB/CSHC ;Switching capacity of the IDU 950 : 10G , CSH ;Cross-Connect capacity of IDU 910: 8×8 个 VC-4 , CSTA ;Cross-Connect capacity of IDU 950 : 32×32 个 VC-4 , CSTA ;
The power supply boards and fan boards used on the IDU 910 and IDU 950 are of different functional
versions.
IDU 950IDU 910
Universal AOC
Hardware StructureRTN 900 series
The RTN 900 is of a split structure,
consisting of the IDU and the AOC.
The AOC is universal. The IDU is
classified into the IDU 910 and IDU
950. Boards are inserted in the IDU. The
IDU can realize different functions by
housing different boards.
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Hardware Structure - IDU 910 A maximum of two microwave
directions are supported. The 1+1 HSB/SD/FD is supported. The 2+0 configuration is supported. The XPIC is supported.
442 mm (width) x 220 mm (depth) x 44.45 mm (height)
Paired slotsfor housing the service
interface boards or IF boards
"EXT" represents an extended slot, which can house an IF board or
a service interface board. All the boards except the power supply board support hot
swapping.
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Hardware Structure - IDU 950
Power(1+1)
Integration card (1+1)
2U high A maximum of six microwave directions
are supported. The 1+1 HSB/SD/FD is supported. The N+0 configuration (N≤5) is supported. The N+1 configuration (N≤5) is supported. The XPIC is supported.
442 mm (width) x 220 mm (depth) x 88.9 mm (height)
Paired slotsPaired slots
Paired slots
"EXT" represents an extended slot, which can house an IF board or a service interface board. All the boards except the power supply board support hot swapping.
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Page 13
Contents
• Network Position and Networking Network Position and Networking
ApplicationApplication
• System ArchitectureSystem Architecture
• Hardware StructureHardware Structure
• BoardsBoards
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• Boards TDM system control, cross-connect, and timing board
CSTA CST
Hybrid system control, cross-connect, and timing board IF board Service interface board Auxiliary and management interface board Power supply board and fan board
Contents
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Page 15
CSTA— Functions and Features
The CSTA provides the full time division cross-connection, system control and
communication, and clock processing functions. In addition, the CSTA provides
PDH/SDH service interfaces, auxiliary interfaces, and management interfaces.Grooms (ينظم ) service signals between boards. Supports full time division cross-connections at
the VC-12, VC-3, or VC-4 level, which are equivalent to 8x8 VC-4s.Provide two STM-1 optical interfaces and sixteen E1 service interfaces. Provides one Ethernet NM interface and NM serial interface.Provides one NE cascade interface. Supports one input and one output of the external clock. / Bypass E1 service interface.Provides one asynchronous / synchronous data interface. Provides one three-input and one-output external alarm interface. Provides one Orderwire interface.
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CSTA—Functional Modules
Functional modules: The CSTA comprises the
system control and
communication unit,
cross-connect unit, clock
unit, service processing
unit, auxiliary interface
unit, and power supply
unit.
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CSTA — Slot allocation
CSTA boards are inserted in slots 1 and 2 in the IDU 910 chassis.
According to the functional units, the CSTA is mapped into the logical system control and communication board (CSTA), logical auxiliary and management board (AUX), and logical service boards (SL1D and SP3S) on the NMS.
The CXPAR/CXPBR boards can be inserted only in slots 1 and 2 in the IDU 910 chassis. The CXPAR/CXPBR boards cannot be inserted in the IDU 950 chassis.
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CSTA —Interfaces
E1 (1-16) interface STM-1 optical
interfaces Alarm input/output interface
external clock/ Bypass E1 service interface
NE cascade interface
NM interface/NM serial interface
Synchronous/Asynchronous data interface
Indicators
Buttons
The external clock interface and wayside E1 interface are combined into one interface. This interface can transparently transmit
the DCC byte, orderwire overhead byte, and synchronous/asynchronous data service overhead byte. One interface, however,
can implement only one of the three functions: external clock interface, wayside E1 service, and transparent transmission of the
overhead byte. The 64 kbit/s synchronous data interface can transparently transmit the orderwire byte. One interface, however, can implement
only one of the two functions: 64 kbit/s synchronous data interface and transparent transmission of the orderwire byte.
NOTE:
Orderwire phone interface (RJ-45 connector)
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Page 19
Indicator Color State Description
STAT indicator
On (green) The board is working normally.
On (red) The board hardware is faulty.
OffThe board does not start to work, is not
created, or is not powered on.
PROG indicator
On (green)The upper layer software is being initialized or
the software is working normally.
On (red)The memory self-check fails, the upper layer
software fails to be loaded, the logic file is lost,
or the upper layer software is lost.
On for 100 ms (green) and off for 100 ms repeatedly
The information is being written to the flash or
the software is being loaded.
On for 300 ms (green) and off for 300 ms repeatedly
When the board is being powered on or being
reset, the board software is in BIOS boot state.
On for 100 ms (red) and off for 100 ms
repeatedly
The BOOTROM self-check fails or the loading
of the FPGA fails.
CSTA—Indicators
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CSTA—IndicatorsIndicator Color State Description
SYNC indicatorOn (green) The clock is operating normally.
On (red) The clock source is lost or is switched.
SRV indicator
On (green)The services are working normally and no
alarms occur in the services.
On (red)A critical or major alarm occurs in the
services.
On (yellow)A minor or remote alarm occurs in the
services.
Off There is no power supplied to the system.
LOS 1On (red)
The first optical interface on the line reports the R_LOS alarm.
OffThe first optical interface on the line does not report the R_LOS alarm.
LOS 2On (red)
The second optical interface on the line reports the R_LOS alarm.
OffThe second optical interface on the line does not report the R_LOS alarm.
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Page 21
CSTA—Buttons
Button Description
CF RCV buttonUsed to restore the configuration data from the CF card.
RST buttonUsed to perform a warm reset on
the equipment.
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Page 22
CST—Functions and Features
The CST provides the time division cross-connection, system control and communication,
and clock processing functions. In addition, the CST provides the auxiliary interfaces and
management interfaces. Grooms TDM service signals between boards. Supports full time division cross-connections at the
VC-12, VC-3, or VC-4 level, which are equivalent to 32x32 VC-4s. Provides one Ethernet NM interface/NM serial interface .Provides one NE cascade interface.Support one external clock interface/ wayside E1 interface.
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CST— Functional Modules Functional modules: The CST comprises the
system control and
communication unit,
cross-connect unit, clock
unit, and power supply
unit.
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Page 24
CST—Slot allocation
The CST boards can be inserted only in slots 7 and 8 in the IDU 950 chassis and form a
1+1 protection group. The CST board cannot be installed in the IDU 910 chassis. The logical slot of the CST on the NMS should be the same as the physical slot.
The CST boards can be inserted in slots 7 and 8 and form a 1+1 protection group.
Note :
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Page 25
CST —Interfaces
The second time interface
External clock interface/The first time
interface/The wayside E1 interface NM cascade
interface
NM interface/NM serial interface
IndicatorsButton
The external clock interface and wayside E1 interface are combined into one interface. This interface can transparently
transmit the DCC byte, orderwire overhead byte, and synchronous/asynchronous data service overhead byte. One interface,
however, can implement only one of the three functions: external clock interface, wayside E1 service, and transparent
transmission of the overhead byte.
Note :
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Page 26
CST—IndicatorsIndicator Color State Description
STAT indicator
On (green) The board is working normally.
On (red) The board hardware is faulty.
OffThe board does not start to work, is not
created, or is not powered on.
PROG indicator
On (green)The upper layer software is being initialized or
the software is working normally.
On (red)The memory self-check fails, the upper layer
software fails to be loaded, the logic file is lost,
or the upper layer software is lost.
On for 100 ms (green) and off for 100 ms repeatedly
The information is being written to the flash or
the software is being loaded.
On for 300 ms (green) and off for 300 ms repeatedly
When the board is being powered on or being
reset, the board software is in BIOS boot state.
On for 100 ms (red) and off for 100 ms
repeatedly
The BOOTROM self-check fails or the loading
of the FPGA fails.
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CST—IndicatorsIndicator Color State Description
SYNC indicatorOn (green) The clock is operating normally.
On (red) The clock source is lost or is switched.
SRV indicator
On (green)The services are working normally and no
alarms occur in the services.
On (red)A critical or major alarm occurs in the
services.
On (yellow)A minor or remote alarm occurs in the
services.
Off There is no power supplied to the system.
ACT
On (green)
The board is in the active state in the 1+1 protection system.
The board is already activated in the
unprotected system.
Off
The board is in the standby state in the 1+1 protection system.
The board is not activated in the unprotected
system.
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CST—Buttons
Button Description
CF RCV button Used to restore the configuration data from the CF card.
RST button Used to perform a warm reset on the equipment.
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• Boards TDM system control, cross-connect, and timing board Hybrid system control, cross-connect, and timing board
CSHA/CSHB/CSHC CSH
IF board Service interface board Auxiliary and management interface board Power supply board and fan board
Contents
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Page 30
CSHA/ CSHB/CSHC—Functions and Features
The CSHA/CSHB/CSHC provides the 4.2 Gbit/s packet switching, full time division cross-connection, system control
and communication, and clock processing functions. In addition, the CSHA/CSHB/CSHC provides FE/GE interfaces,
PDH/SDH interfaces, auxiliary interfaces, and management interfaces. Support Packet Switch, Provides the 4.2 Gbit/s packet switching capability. Supports full time division cross-connections at the VC-12, VC-3, or VC-4 level, which are equivalent to 8x8 VC-
4s. Provides TDM service interfaces: The CSHA provides sixteen 75-ohm/120-ohm E1 data interfaces. The CSHB
provides thirty-two 75-ohm/120-ohm E1 data interfaces. The CSHC supports sixteen 75-ohm/120-ohm E1 data
interfaces and two STM-1 optical interfaces. The two STM-1 optical interfaces use the SFP optical modules. Provides Eth service interfaces: The CSHA provides two FE electrical interfaces and two GE electrical
interfaces. The two GE electrical interfaces can also transmit FE electrical signals. The CSHB provides two FE
electrical interfaces and two GE electrical interfaces. The two GE electrical interfaces can also transmit FE
electrical signals. The CSHC provides two FE electrical interfaces and two GE optical interfaces. The two GE
optical interfaces use the SFP optical modules. Provides one Ethernet NM interface/ NM serial interface. Provides one NE cascade interface. Provides one input and one output of the external clock. / Bypass E1 service interface. Provides one asynchronous data interface / synchronous data interface . Provides one three-input and one-output external alarm interface. Provides one Orderwire interface.
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CSHA/ CSHB/CSHC—Functions and Features
CSHA : 2* FE(e) +2*GE(e)+16*E1
CSHB:2* FE(e) +2*GE(e)+32*E1
CSHC:2* FE(e) +2* GE(o)+16*E1+2*STM-1(o)
The differences between the CSHA, CSHB, and CSHC are with regard to the types and number
of service interfaces.
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CSHA/ CSHB/CSHC—Functional Modules
Functional Modules : The CSHA/CSHB/CSHC
comprises the system
control and
communication unit,
packet switching unit,
cross-connect unit, clock
unit, service interface
unit, and auxiliary
interface unit.
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Page 33
CSHA/ CSHB/CSHC—Slot Allocation
The CXPAR/CXPBR boards can be inserted only in slots 1 and 2 in the IDU 910 chassis. The CXPAR/CXPBR boards cannot be inserted in the IDU 950 chassis. Different logical boards are allocated for the CSHA, CSHB, and CSHC on the NMS.
CSHA/CSHB/CSHC boards are inserted in slots 1 and 2 in the IDU 910 chassis.
Logical slots for the logical boards of the CSHA
Logical slots for the logical boards of the CSHB
Logical slots for the logical boards of the CSHC
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CSHA/ CSHB/CSHC—Interfaces
E1 (1-16) interface
2*GE interfaces
Alarm input/output
interface
Orderwire interface
External clock/time interface /The wayside E1 interface
NE cascade interface
NM interface/NM serial interface
Synchronous/Asynchronous data interface
Indicators
Button
2*FE interfaces
Auxiliary interfaces and management interfaces
GE service interface
FE service interfaces E1 ( 1 ~ 16,17~32 )
Auxiliary interfaces and management interfaces
GE service interfaces
FE service interfaces
E1 ( 1 ~ 16 )STM-1 service interfaces
CSHA
CSHB
CSHC
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CSHA/ CSHB/CSHC—IndicatorsIndicator Color State Description
STAT indicator
On (green) The board is working normally.
On (red) The board hardware is faulty.
OffThe board does not start to work, is not
created, or is not powered on.
PROG indicator
On (green)The upper layer software is being initialized or
the software is working normally.
On (red)The memory self-check fails, the upper layer
software fails to be loaded, the logic file is lost,
or the upper layer software is lost.
On for 100 ms (green) and off for 100 ms repeatedly
The information is being written to the flash or
the software is being loaded.
On for 300 ms (green) and off for 300 ms repeatedly
When the board is being powered on or being
reset, the board software is in BIOS boot state.
On for 100 ms (red) and off for 100 ms
repeatedly
The BOOTROM self-check fails or the loading
of the FPGA fails.
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CSHA/ CSHB/CSHC—IndicatorsIndicator Color State Description
SYNC indicatorOn (green) The clock is operating normally.
On (red) The clock source is lost or is switched.
SRV indicator
On (green)The services are working normally and no
alarms occur in the services.
On (red)A critical or major alarm occurs in the
services.
On (yellow)A minor or remote alarm occurs in the
services.
Off There is no power supplied to the system.
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CSHA/ CSHB/CSHC—IndicatorsIndicator Color State Description
LINK 1 On (green) The port connection is normal.
Off The port connection is interrupted.
ACT 1 On or blinking (yellow)
The data is being transmitted or received.
Off No data is being transmitted or received.
LINK 2 On (green) The port connection is normal.
Off The port connection is interrupted.
ACT 2 On or blinking (yellow)
The data is being transmitted or received.
Off No data is being transmitted or received.
LOS 1 On (red) The first optical interface on the line reports the R_LOS alarm.
Off The first optical interface on the line does not report the R_LOS alarm.
LOS 2 On (red) The second optical interface on the line reports the R_LOS alarm.
Off The second optical interface on the line does not report the R_LOS alarm.
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CSHA/ CSHB/CSHC—Buttons
Button Description
CF RCV button Used to restore the configuration data from the CF card.
RST button Used to perform a warm reset on the equipment.
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CSH—Functions and Features
The CSH provides the 10 Gbit/s packet switching, full time division cross-connection,
system control and communication, and clock processing functions. In addition, the CSH
provides auxiliary interfaces and management interfaces. Support Packet Switch, Provides the 10 Gbit/s packet switching capability. Supports full time division cross-connections at the VC-12, VC-3, or VC-4 level,
which are equivalent to 32x32 VC-4s. Provides one Ethernet NM interface/ NM serial interface. Provides one NE cascade interface. Provides one input and one output of the external clock. / Bypass E1 service
interface.
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CSH—Functional Block Diagram The CSH comprises
the system control
and communication
unit, packet switching
unit, cross-connect
unit, clock unit, and
power supply unit.
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CSH—Slot Allocation
The CST boards can be inserted only in slots 7 and 8 in the IDU 950 chassis and form a
1+1 protection group. The CST board cannot be installed in the IDU 910 chassis. The logical slot of the CST on the NMS should be the same as the physical slot.
The CSH boards can be inserted in slots 7 and 8 and form a 1+1 protection group.
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CSH —Front Panel
The second time interface
External clock/time interface /The wayside E1 interface
NM interface/NM
serial interface
CF RCV button: used to restore the configuration data from the CF card. After you press the CF RCV button for 5 seconds, the equipment automatically restores the configuration data from the CF card. RST button: used for warm reset on the board. When you press the RST button and then release it, a warm reset is performed on the board.
Indicators:Board hardware status indicator (STAT) – three colors (red, green, and yellow)Program running status indicator (PROG) – two colors (red and green)Synchronization status indicator (SYNC) – two colors (red and green)Service status indicators (SRV)-three colors (red, green, and yellow)Protection status indicators ( ACT )- Green indicator
NE cascade interface
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Page 43
• Boards TDM system control, cross-connect, and timing board Hybrid system control, cross-connect, and timing board
CSHA/CSHB/CSHC CSH
IF board IF1 IFU2 IFX2
Service interface board Auxiliary and management interface board Power supply board and fan board
Contents
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IF1 - Functions and Features
The IF1 is a medium-capacity SDH IF board . The IF1 board has the following functions IF processing functions:
Maps SDH and PDH service signals into microwave frame signals. Codes and decodes microwave frame signals. Modulates and demodulates microwave frame signalsModulates and demodulates ODU control signals Combines and splits service signals, ODU control signals, and -48 V power
supplies. Support ATPC ( Automatic Transmit Power Control ) function.
Protection Processing functions: Support 1+1 HSB/FD/SD protection. Support 1+1 FD/SD hitless switching.Support N+1 protection.
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IF1 - Functional Block Diagram
The IF1 board consists of
the combiner interface
module, IF processing
module, MODEM module,
SMODEM module,
MUX/DEMUX module, logic
and control module, power
module, and clock module.
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IF1 - Slot Allocation
The IF1 receives and transmits one IF signal and provides the management channel to
the ODU and supplies the required -48 V power to the ODU.
IDU 910
IDU 950
IDU 910: The IF1 board can be inserted in
slot 3 or slot 4.
IDU 950: The IF1 board can be inserted in
any of slots 1 to 6. To configure a 1+1 FD/SD
protection group, the IFE2 boards must be inserted in paired slots.
The paired slots supported by the IDU 950 are as follows: (slot 1, slot 2), (slot 3, slot 5), and (slot 4, slot 6).
Slot allocation priority : Slots 3 and 5 > slots 4 and 6 > slots 1 and 2
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IF1 - Front Panel ODU switchWhen the switch is set to "O", it indicates that the circuit is open. When the switch is set to "I", it indicates that the circuit is closed.
IF interface (TNC) Indicators: Working status indicator (STAT) – two colors (red and
green) Status indicator (SRV) – three colors (red, green, and
yellow) Radio link status indicator (LINK) – one color (green) ODU status indicator (ODU) – three colors (red, green, and
yellow) Remote end status indicator (RMT) – one color (yellow) Protection status indicator (ACT) – one color (green)
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IF1——IndicatorsIndicator Color State Description
STAT indicator
On (green) The board is working normally.
On (red) The board hardware is faulty.
OffThe board does not start to work, is not created, or is not
powered on.
SRV indicator
On (green) The services are working normally and no service alarm occurs.
On (red) A critical or major alarm occurs in the services.
On (yellow) A minor or remote alarm occurs in the services.
ODU indicator
On (green) The ODU is working normally.
On (red) The ODU has a critical or major alarm or has no power supply.
On (yellow) The ODU has a minor alarm.
On for 300 ms (yellow) and off for 300 ms repeatedly
The receive power of the ODU is lower than the required value.
RMT indicator
On (yellow)The microwave defect indication alarm is received from the
opposite end.
ACT indicator
On (green)The board is in the active state in the 1+1 protection system.
The board is already activated in the unprotected system.
OffThe board is in the standby state in the 1+1 protection system.
The board is not activated in the unprotected system.
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IFU2 - Functions and Features
The IFU2 is a general IF board, which can support the Hybrid microwave transmission and Packet
microwave transmission at the same time. In this version, the IFU2 supports only the Hybrid microwave
transmission.Supports the Hybrid microwave frames, and supports the pure transmission of E1 or Ethernet
signals and the hybrid transmission of E1 and Ethernet signals. Supports the adaptive modulation (AM) technology. Provides a maximum of 56 MHz signal bandwidth and supports the highest modulation mode of
256QAM. Maps service signals into microwave frame signals. Codes and decodes microwave frame signals.Modulates and demodulates microwave frame signals. Modulates and demodulates ODU control signals. Combines and splits service signals, ODU control signals, and -48 V power supplies.
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IFU2 - Functional Block Diagram
The working principle and signal flow of
the Packet microwave IF signals are
similar to the working principle and signal
flow of the Hybrid microwave IF signals.
The only difference is with regard to the
frame structure. In the case of the Packet
microwave, the MUX/DEMUX unit only
multiplexes/demultiplexes the packet
services and does not transmit the TDM
services to the cross-connect unit or
receive the TDM services from the cross-
connect unit.
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IFU2 - Slot Allocation
The IFU2 receives and transmits one Hybrid/Packet IF signal, provides the management
channel to the ODU, and supplies the required -48 V power to the ODU.
IDU 910
IDU 950
IDU 910: The IFU2 board can be inserted
in slot 3 or slot 4.
IDU 950: The IFU2 board can be inserted
in any of slots 1 to 6. To configure a 1+1 FD/SD
protection group, the IFE2 boards must be inserted in paired slots.
The paired slots supported by the IDU 950 are as follows: (slot 1, slot 2), (slot 3, slot 5), and (slot 4, slot 6).
Slot allocation priority : Slots 3 and 5 > slots 4 and 6 > slots 1 and 2
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IFU2 - Front Panel ODU switchWhen the switch is set to "O", it indicates that the circuit is open. When the switch is set to "I", it indicates that the circuit is closed.
IF interface (TNC) Indicators: Working status indicator (STAT) – two colors (red and
green) Status indicator (SRV) – three colors (red, green, and
yellow) Radio link status indicator (LINK) – one color (green) ODU status indicator (ODU) – three colors (red, green,
and yellow) Remote end status indicator (RMT) – one color (yellow) Protection status indicator (ACT) – one color (green)
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IFX2 - Functions and Features
The IFX2 is a general IF board, which can support the XPIC function of the Hybrid microwave and
SDH microwave. In this version, the IFX2 supports only the Hybrid microwave transmission.Supports the XPIC function, provides the XPIC input and output interfaces, and supports the
manual configuration of the XPIC function. Supports the Hybrid microwave frames and supports the pure transmission of E1 or
Ethernet signals and the hybrid transmission of E1 and Ethernet signals. Supports the adaptive modulation (AM) technology. Provides the maximum signal bandwidth of 56 MHz and supports the highest modulation
mode of 256QAM. Maps service signals into microwave frame signals. Codes and decodes microwave frame signals. Modulates and demodulates microwave frame signals.
Modulates and demodulates ODU control signals. Combines and splits service signals, ODU control signals, and -48 V power supplies.
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IFX2 - Functional Block Diagram
The working principle and signal
flow of the Packet microwave IF
signals are similar to the working
principle and signal flow of the
Hybrid microwave IF signals. The
only difference is with regard to
the frame structure. In the case of
the Packet microwave, the
MUX/DEMUX unit only
multiplexes/demultiplexes the
packet services and does not
transmit the TDM services to the
cross-connect unit or receive the
TDM services from the cross-
connect unit.
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IFX2 - Slot Allocation
IDU 910
IDU 950
IDU 910: The IFX2 board can be inserted
in slot 3 or slot 4.
IDU 950: The IFX2 board can be inserted
in any of slots 1 to 6. To configure a 1+1 FD/SD
protection group, the IFE2 boards must be inserted in paired slots.
The paired slots supported by the IDU 950 are as follows: (slot 1, slot 2), (slot 3, slot 5), and (slot 4, slot 6).
Slot allocation priority : Slots 3 and 5 > slots 4 and 6 > slots 1 and 2
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IFX2 - Front Panel
Indicators:XPIC input signal indicator ( XPIC )— two colors (red and green). Working status indicator (STAT) – two colors (red and green) Status indicator (SRV) – three colors (red, green, and yellow) Radio link status indicator (LINK) – one color (green) ODU status indicator (ODU) – three colors (red, green, and yellow) Remote end status indicator (RMT) – one color (yellow) Protection status indicator (ACT) – one color (green)
ODU switchWhen the switch is set to "O", it indicates that the circuit is open. When the switch is set to "I", it indicates that the circuit is closed.
IF interface (TNC)
XPIC signal interfaces
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Precautions to Be Taken When Handling the IF Boards
The ODU-PWR switch is equipped with a lockup device. To turn on or turn off the switch, you need to first pull the switch lever outwards slightly.
1
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Precautions to Be Taken When Handling the IF Boards
When the ODU switch is set to “I”, do not insert or remove the IF cable.
2
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IF Signal Parameters of the IFU2
Item Performance
IF signal
Transmit frequency (MHz) 350
Receive frequency (MHz) 140
Impedance (ohm) 50
ODU management signal
Modulation mode ASK
Transmit Frequency (MHz) 5.5
Receive frequency (MHz) 10
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• Boards TDM system control, cross-connect, and timing board Hybrid system control, cross-connect, and timing board
CSHA/CSHB/CSHC CSH
IF board IF1 IFU2 IFX2
Service interface board EM6T/EM6F SL1D SP3S/SP3D
Auxiliary and management interface board AUX
Power supply board and fan board
Contents
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EM6T/EM6F - Functions and Features
The EM6T/EM6F is an FE/GE interface board, which provides four FE electrical
interfaces and two GE interfaces. The EM6T has similar functions to the EM6F. The only
difference is as follows: the GE interfaces on the EM6T always function as electrical
interfaces whereas the GE interfaces on the EM6F use the SFP modules and therefore
can function as two optical or electrical interfaces. The GE electrical interfaces on the
EM6F and the EM6T are compatible with the FE electrical interfaces. The EM6T/EM6F accesses, processes, and aggregates four FE signals and two GE
signals. In R2 version, the backplane service bus is 1G. EM6T/EM6F support LAG function, support ERPS. EM6T/EM6F support E-Line and E-Lan. EM6T/EM6F supports synchronous Ethernet. EM6T/EM6F support ETH-OAM function.
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EM6T/EM6F - Functional Block Diagram
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EM6T/EM6F—Slot Allocation
IDU 910
IDU 950
IDU 910: The EM6T/EM6F board can
be inserted in slot 3 or slot 4.
IDU 950: The EM6T/EM6F board can be
inserted in any of slots 1 to 6. Slot allocation priority : Slots 4
and 6 > slots 1 and 2 > slots 3 and 5
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Page 64
EM6T/EM6F—Front Panel
GE electrical interfaces on the front panel of the EM6T are compatible with the FE interfaces. The GE
interfaces on the front panel of the EM6F use pluggable SFP optical modules. The FE electrical interfaces and GE electrical interfaces support the MDI and MDI-X adaptation modes. The FE interfaces support 10M full duplex, 10M half duplex, 100M full duplex, 100M half duplex, and
auto-negotiation. The GE electrical interfaces support 10M full duplex, 10M half duplex, 100M full duplex, 100M half
duplex, 1000M full duplex, and auto-negotiation. The GE optical interfaces support 1000M full-duplex and auto-negotiation.
Indicators
GE interfaces-RJ45
GE interfaces-LC
FE interfaces-RJ45
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SL1D - Functions and Features
The SL1D is an SDH dual-port STM-1 board. The SL1D transmits and receives 2xSTM-1
optical signals.Supports the automatic laser shutdown (ALS) function.Supports SNCP and LMSP.Supports the inloop and outloop over optical interfaces. Supports the outloop on VC-4 paths.Supports the warm reset and cold reset on the board.Supports the query of the board manufacturing information. Supports the in-service upgrade of the FPGA.
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Page 66
SL1D - Functional Block Diagram
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SL1D—Slot Allocation
IDU 910
IDU 950
IDU 910: The SL1D board can be
inserted in slot 3 or slot 4.
IDU 950: The SL1D board can be
inserted in any of slots 1 to 6. Slot allocation priority : Slots 4
and 6 > slots 1 and 2 > slots 3 and 5.
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Page 68
SL1D—Interfaces
The type of the SFP optical module equipped on the SL1D, provides Ie-1 ( Multi-mode,
2km )、 S-1.1 ( Single-mode, 15km ) 、 L-1.1 ( Single-mode, 40km ) 、 L-
1.2 ( Single-mode, 80km ) 。
Indicators:Working status indicator (STAT) – two colors (red and green)Status indicator (SRV) – three colors (red, green, and yellow) LOS1/LOS2: Whether the optical interface have the R_LOS alarm.
STM-1interface-LC
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Page 69
SP3S/SP3D - Functions and Features
The SP3S is a 16xE1 75-ohm/120-ohm tributary board. The SP3D is a 32xE1 75-
ohm/120-ohm tributary board. The E1 interface impedance of the SP3S/SP3D can be identified by the board feature
code of the bar code. In the bar code, the board feature code is the number next to the
board name.
Board Feature Code Interface Impedance (Ohm)
A 120
B 75
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SP3S/SP3D - Functional Block Diagram
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SP3S/SP3D —Slot Allocation
IDU 910
IDU 950
IDU 910: The SP3S/SP3D board can
be inserted in slot 3 or slot 4.
IDU 950: The SP3S/SP3D board can be
inserted in any of slots 1 to 6. Slot allocation priority : Slots 4
and 6 > slots 1 and 2 > slots 3 and 5.
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SP3S/SP3D —Interfaces
Indicators:Working status indicator (STAT) – two colors (red and green)Status indicator (SRV) – three colors (red, green, and yellow)
E1 interface
NOTE:
In the case of the OptiX RTN 900, only the ports 1-16 and 22-37 of the SP3D interface are used. Ports 1-16 correspond to E1 signals 1-16 and ports 22-37 correspond to E1 signals 17-32.
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Page 73
AUX - Functions and Features
The AUX is the auxiliary and management interface board of the OptiX RTN 950 V1R2.
One NE can house only one AUX. The AUX provides multiple auxiliary interfaces and management interfaces, including the
one orderwire interface, one synchronous data interface, one asynchronous data
interface, and one four-input/two-output external alarm interface. Provides one orderwire interface. Provides one 64 kbit/s synchronous transparent data interface. Supports one 19.2 kbit/s asynchronous transparent data interface.Supports the input of four channels of external alarms. Supports the output of two channels of external alarms. Supports hot swapping. Supports the detection of the board power supply.
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AUX - Functional Block Diagram
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Page 75
AUX - Interfaces
Alarm input
Alarm output
Orderwire phone
Synchronous/Asynchronous data interface
The OptiX RTN equipment also supports the orderwire group call function. For example, when an OptiX RTN equipment calls the number of 888, the orderwire group call number, all the OptiX RTN equipment orderwire phones in the orderwire subnet ring until a phone is answered. Then, a point-to-point orderwire phone call is established.
说明:
Indicators:Working status indicator (STAT) – two colors (red and green)Status indicator (SRV) – three colors (red, green, and yellow)
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AUX—Slot Allocation
IDU 950
The AUX board can be inserted in any of slots 1 to 6. An NE can house only one AUX board. The AUX board cannot be installed in the IDU 910 chassis.
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Page 77
• Boards TDM system control, cross-connect, and timing board Hybrid system control, cross-connect, and timing board
CSHA/CSHB/CSHC CSH
IF board IF1 IFU2 IFX2
Service interface board Auxiliary and management interface board Power supply board and fan board
PIU FAN
Contents
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Page 78
Types of the PIU
BoardFunctional
VersionDescription Valid Slot
PIU TNC1Power access unit of the OptiX RTN 910 Slot 5 in the IDU 910
PIU TND1Power access unit of the OptiX RTN 950 Slot 9 and slot 10 in the IDU 950
The PIU board supports the functions and features such as power access, power
protection, lightning protection, and information reporting.
IDU 950: The PIU boards that have the
functional version of TND1 are fixedly inserted in slot 9 and slot 10. The two PIU boards function as a hot backup for each other.
IDU 910: The PIU board whose functional
version is TNC1 is fixedly inserted in slot 5. The two accessed power supplies function as a hot backup for each other.
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Front Panel of the PIU
–48 V power input interface
BGND power input interface
One PIU board whose functional version is TNC1 accesses two –48 V DC (or -60 V DC) power supplies for the equipment. The two power supplies function as a hot backup for each other.
–48 V power input interface
BGND power input interface
When the PWRA and PWRB indicators are on and green, it indicates that the power is accessed.
One PIU board whose functional version is TND1 accesses one –48
V DC (or –60 V DC) power supply for the equipment. The PIU boards
that have the functional version of TND1 are fixedly inserted in slot 9
and slot 10. The two PIU boards function as a hot backup for each
other.
TNC1 PIU TND1 PIU
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Power Cable Installation
Page 80
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Page 81
Types of the FAN
The FAN adjusts the fan rotating speed, and detects and reports the fan status.
BoardFunctional
VersionDescription Valid Slot
FAN TNC1 Fan of the OptiX RTN 910 Slot 5 in the IDU 910
FAN TND1 Fan of the OptiX RTN 950 Slot 9 and slot 10 in the IDU 950
IDU 950:
The FAN board whose functional version is TND1 is fixedly inserted in slot 11.
Accesses two +12 V power supplies for driving six fans, each of which consumes 6 W power.
IDU 910:
The FAN board whose functional version is TNC1 is fixedly inserted in slot 6.
Accesses one +12 V power supply for driving three fans, each of which consumes 6 W power.
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Front Panel of the FAN
Indicator Color State Description
FAN indicator
Green The fan is running normally.
Red The fan is faulty.
OffThe fan is not powered on or is not installed.
CRIT indicator Red
The subrack has a critical alarm.
MAJ indicatorOrange
The subrack has a major alarm.
MIN alarmYellow
The subrack has a minor alarm.
ESD wrist strap jack
42CM
86.2CM
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This course provides the following information: Network position of the RTN 900 V100R002 System architecture and hardware structure of the RTN 900
V100R002 Boards on the OptiX RTN 900 V100R002
TDM system control, cross-connect, and timing board :CSTA/CST
Hybrid system control, cross-connect, and timing board: CSHA/CSHB/CSHC/CSH
IF board: IF1 、 IFU2 、 IFX2 Service interface board :
EM6T/EM6F 、 SL1D 、 SP3S/SP3D Auxiliary and management interface board : AUX Power supply board and fan board : PIU 、 FAN
Summary
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