Your Solutionfor Better

Communications

FEATURES

• Fully modular, 4U high, SDH/PDH multiplexer and cross-connect.• Each basic unit consists of 14 I/O slots for different modules, supporting: • 2 High-speed slots for E3, T3 and STM-1 aggregate (SDH capability). • 2 CPU slots for CPU32, CPU64 and CPU128 common logic modules. • 2 Power Supply slots for full range, AC/DC modules. • 8 I/O slots for a wide variety of interfaces and services: • Up to 128 E1 electrical interfaces. • Up to 64 G.SHDSL ports with L2/VLAN switching capabilities. • Up to 64 LAN ports, with L2/VLAN switching capabilities. • Up to 48 data ports (V.35, V.36/V.11, V.24/V.28, X.21). • Up to 48 G.703, 64 kbps co-directional ports. • Up to 16 optical interfaces, compatible to DM 8192S or other E1 optical port. • Up to 80 PCM voice ports (FXS, FXO, E&M interfaces). • Up to 6xGbE ports with L2/VLAN aggregation and VCAT/GFP encapsulation capabilities. • Up to 6xGbE ports with CESoIP/TDM-over-IP capabilities.• The DM 705SUB performs multi-service multiplexing over any existing infrastructure: SDH, PDH/TDM or IP/MPLS network.• CPU64/128 Common Logic module with new features and capabilities: • High-capacity cross-connection matrix, for up to 61 E1s in CPU64 or 257 E1s in CPU128. • Hierarchical clocking schemes. • Support to high-capacity aggregate and tributary modules. • CPU redundancy. • High-capacity, built-in, channelized router. • IN/OUT dry contacts for external alarms.• 3-in-1 capabilities: standard Add/Drop Multiplexing, E1 cross-connection and grooming and multi- service interfaces for data, voice, video and LAN.• Several DM 705s may be cascaded over the same link to increase the number of ports or for drop- insert applications.• SNMP-based management via DMView NMS. Remote management via LAN port or via dedicated time slot.• Download and TFTP support for easy software upgrades.• Power supply covering from 36 to 72 VDC and 93 to 253 VAC, automatic selection. Optional redundancy.• Compatible with DM 704, DM 705, DM 706, DM 4/16E1, DM 991 and DM STM-1 and standard E1 3rd

party equipment.

DESCRIPTION

• The DM 705SUB is a fully modular SDH/PDHmultiplexer and cross-connect, supporting multi-service access applications for fixed, wireless and cellular networks.• The basic unit, 4U height, provides: • 2 power supply slots (optional redundancy). • 2 CPU/common logic slots for 2 types of modules: • CPU32 for pure TDM/PDH applications – no STM-1 capabilities. • CPU64 for mixed SDH/PDH applications – full SDH/STM-1 capabilities. • CPU128 for mixed SDH/PDH applications - 128xE1 ports cross-connect capability. • 8 I/O slots for multiple modules. • 2 High-Speed I/O slots for E3, T3 or STM-1 aggregate (optical and/or electrical).• DS0 cross-connect, non-blocking, for up to 8 E1s(up to 248 time slots) with CPU32 and for up to64 E1s (up to 1952 time slots) with CPU64 and for up to 257 E1s (up to 8224 time slots) with CPU128.

• Time slots can be configured either for data orvoice, the matrix allows time slots from anyinterface to be allocated to any other port, facilitatingdrop-insert, bypass, broadcast and multi-point applications.• Any E1 port, optical or electrical can be definedas backup for another E1.• Data ports cover from low-speed (1200, 2400,4800, 9600 and 19200bps) up to Nx64 kbps. Lowspeed protocol is X.50, for sync/async applications.Also available RS232/V.24/V.28 multi-dropcapability, compatible with SCADA applicationsfor utility customers.• The V.35 interface can be utilized as aggregateusing G.704-defined frame structure, allowingdata/LAN/voice traffic over legacy microwave networks.• Several optical interfaces for both STM-1 andE1 ports, for single mode or multimode fibers,with dual or single fiber interfaces, reaching upto 100 km.

Modular SDH/PDHMultiplexer andCross-Connect

DM 705SUB

• LAN ports supporting L2/VLAN switching and L2/PPPaggregation with data rates of Nx64Kbps. Compatiblewith DM 991SE/CE/CR/CS, DM 704SE/CE, DM 706CR/CS or any 3rd party PPP/E1 router. HS-STM-1module enables Ethernet traffic encapsulation intoSDH using standard GFP/VCAT multiplexing,supporting up to 14xVC12 per module. Each moduleenables one single GFP tunnel.• A wide range of I/O modules are supported for avariety of applications and services: • DM 705 HS-STM1E – STM-1 aggregate, electrical interface. • DM 705 HS-STM1FO – STM-1 aggregate, optical interface. • DM 705 HS-E3E - E3/T3 aggregate, electrical interface • DM 705 E1-16 - 16 x 2 Mbps, E1, electrical interfaces (8 x 2 Mbps with CPU64) • DM 705-E1Q – 4 x 2 Mbps, E1, electrical interfaces. • DM 705-FO1/2 – 1 up to 8 x 2 Mbps, E1, optical interfaces. Also compatible with the DM 8192S. • DM 705-DSL2/8 – 2 or 8 x 2 Mbps, G.SHDSL modem interface, 2 and 4-wire. • DM 705-V35D/6V.35 – 2 or 6 x 2 Mbps, data port with V.35, V.36/V.11, V.24/V.28 and X.21 interfaces. • DM 705-HK – new SCADA module for telemetry and alarms. • DM 705-E1 – single E1 port with balanced /unbalanced interfaces. • DM 705-Switch - 8 x 10/100BaseT, LAN ports, Nx64Kbps, L2/VLAN switching • DM705-IP – 2 Gigabit Ethernet ports for L2/VLAN aggregation and GFP/VCAT LAN over SDH encapsulation. • DM 705-G64 – 6 co-directional G.703, 64 kbps interfaces. • DM 705-FXO – 4/10 FXO-type PCM voice channels.

• DM 705-E&M – 4 E&M-type PCM voice channels.• Built-in G.SHDSL modems for 2 and 4-wires,compatible with remote DM 991 or any other 3rd

party standard modem. Provides a high-densitydistribution node of data/voice/LAN services overcopper infrastructure.

• Built-in optical connectors compatible with the DM8192S allow drop-extension of high-speed data/voiceservices over long distances. With optional WDMoptical interfaces, significant savings in fiberinfrastructure utilization can be achieved.• Circuit Emulation over Packet LAN ports enablingtransport of TDM circuits over Ethernet/IP networks.Supports Point-to-Point and Point-Multipointtopologies, VLAN tagging and QoS, with robust ClockRecovery mechanisms. Compatible with IERU EDD-Ethernet Demarcation Device and 3rd party standardscompliant devices.• Voice/FXS expansion board supports reverse polarityor 12/16 KHz pulse metering, for Hot-Line applicationsand Public Phones connectivity.• Various analysis tools such as loops and BERT testsfor each interface independently.• Synchronization sources can be as follows: internalclock, regenerated from either E1, V.35 port, STM-1 interface and from G.SHDSL port or from a2048 KHz external clock (station clock).• Automatic fallback to internal clock in case of lackof regenerated clock.• The DM 705SUB, with CPU64/128 common logicmodule is available with an internal router allowingpacket routing between the WAN (Frame Relay/PPP)interface at Nx64kbps and the Ethernet(10BaseT/100BaseTx) LAN interface. Up to 24WAN ports can be utilized, each one with differentIP address. Total speed of the 24 ports should notexceed 2048 kbps.• WAN/routing interfaces supports RFCs 1661 and1662 (PPP) and ITU-Q933 Annex A (Frame Relay)protocols. Operates as Static router or Dynamicrouter (RIP 1 and 2 protocols), or in both modesdepending on the WAN port.• A WAN/routing interface when configured to FrameRelay supports up to 1023 Virtual Circuits, andoperates on ITU, ANSI and NONE standards.• Remote management is SNMP-based connectedvia Ethernet port or in-band via WAN/Routing portand dedicated time slot. The DM 705 can be locallyconfigured and monitored via V.24/RS-232 interfaceavailable in front panel.• A comprehensive Network Management System,the DMView, is available for HP Open View or Windows.

APPLICATIONS

E1

DMView NMS

SDH/TDMNetwork

NxE1

GbESTM-1

E1

E1

E1

E1

DM 706CE

DM 706CSE1

DM 706CR

3rd PartyPPP router

LAN Switch

Fig.1: DM 705SUB with IP AggregationCapabilities - over 512 Remote Devices

PBX

DM

70

5S

UB

SPECIFICATIONS

STM-1, Electrical and Optical Aggregate (available with CPU64/128 only)

• Optical Interfaces

By default all connectors are SC/PC. Other types are available on request(1) 1310nm Tx and 1550nm Rx and vice-versa(2) Optionally supplied with 0dBm Tx power for ~ 100 km range(3) Long range 1550nm, optical interface, with -3dBm minimum power available on request

• Electrical Interfaces G.703, up to 155.520 kbps, CMI codingBNC connector and 75 ohm impedanceIEC169/13 connectors available on request

Fig.2 - DM 705SUB as a TDM-over-IP Gateway

Interface module RangeDescription Tx [nm] MinimumPower

Sensitivity

DSM-1 AG-MS13

DSM-1 AG-SS13

DSM-1 AG-SS15

DSM-1 AG-SL13

DSM-1 AG-SL15

DSM-1 AG-SSB13

DSM-1 AG-SSB15

DSM-1 AG-SLB13

DSM-1 AG-SLB15

Multimode

Single mode dual fiber, short haul

Single mode dual fiber, short haul

Single mode dual fiber, long haul

Single mode dual fiber, long haul

Single mode single fiber, short haul

Single mode single fiber, long haul

1310

1310

1550

1310

1550

1310 or 1550(1)

1310 or 1550(1)

-20dBm

-15dBm

-15dBm

-5dBm

-5dBm

-15dBm

-5dBm

-34dBm

-34dBm

-34dBm

-34dBm

-34dBm

-34dBm

-34dBm

~2km

~15km

~49km

~60km

~80km(2)

~15km

~60km

ITU-T G.957Option

-

S1.1

S1.2

L1.1

L1.2

-

-

E3 / T3 Electrical Aggregate (available with CPU64/128 only)

G.703, configurable up to 34,368 Mbps, HDB3 coding; or up to 44,736 Mbps, B3ZS coding.Supports ITU and ANSI Standards for E3 and T3 interfaces. BNC/75 Ohm or IEC169/13connectors available on request

DMView NMS

IP/EthernetNetwork

NxE1

GbE

FE/GbE 3rd Party GatewayCESoPSN

SAToP

DM

70

5S

UB

E1

FE/GbE

FE/GbE

DMSwitch2104G

PBX

EDD

E1 Tributary and Aggregate Ports

256N (no MF, CCS), 256N (no MF, CCS) with CRC-4, 256S (TS16 MF, CAS),256S (TS16 MF, CAS) with CRC-4, Unframed mode2048 kbps

HDB3

Balanced: 120 Ohm, Unbalanced: 75 Ohm

Receive: 0 to -36 dB with LTUTransmit: Balanced: 3V (±10%), Unbalanced: 2.37V (±10%)

As per ITU G.823

Balanced: RJ-45, 8-pin, Unbalanced: pair of BNC coaxial, Fiber Optic (see Ordering)

Internal clock: ±30 ppm, Loopback Timing: ±130 ppmFlexible via Local management port and via DM View NMS

ITU G.703, G.704, G.706, G.736, G.823, G.955

Data Ports

V.35, V.36/V.11, V.24/V.28 and X.21 - available via adapter cables (see Ordering)

2 25-pin D-type, female (ISO 2110 Amd. 1 pinout) Or 2 44-pin, D-type, female - optionalDB44 to DB24 external pacth panel

• Framing

• Data Rate

• Line Code

• Signal Level

• Jitter Performance• Connector

• Impedance

• Transmit Timing• Time Slot Allocation

• Compliance

• Interface

• Connector

• Protocols

High-speed: n x 64 kbps, n=1,2...,32Low-speed: 1200, 2400, 4800, 9600 and 19200 bps

Internal, External, Recovered

CTS follows RTS or constantly ONDSR constantly ON, unless in test modeDCD constantly ON, unless in local sync lossX.50, Div.2 and Div.3 for low-speed; proprietary for V.35 structuredRS232 / V.24 / V.28 Multi-drop for SCADA applications

G.SHDSL Ports

• Ranges (2 wires)

1, 2 or 8 RJ 45, 2 and 4-wire interfaces - configurable as LTU or NTU - compatible with DM 991 remote G.SHDSL modem

ITU-T G.991.2; handshake according to G.994.1 allowing interoperability with 3rd party equipment

N x 64 kbps, n=1,2...,32

Internal, External, Recovered

TC-PAM type coding

From 6.3 km@192 kbps to 3.6 km@ 2048 kbps over 0.4mm twisted pair. Reaches 5 km @ 2048 kbpsover 0.5mm twisted pair in noiseless conditions.

Co-Directional, G.703 Data Ports

Six G.703 co-directional interfaces

Six RJ 45 (RJ 48C) connectors

Each port configurable to: 64 kbps, 128 kbps or 256 kbps

Up to 1,000 meters @ 64 kbps over 0.4mm twisted pair

Control port-operated test pattern generator including error detectorLocal digital loop and off-hock tests over control port

• Interface

• Connector

• Data Rate

• Range

• Diagnostics

Control port-operated test pattern generator and local digital loop, including error detection. RemotePower Failure alarm ("Dying gasp") available.

• Diagnostics

• Data Rate

• Clock Modes

• Control Signals

• Interface

• Compliance

• Data Rate• Clock Modes

• Modulation

LAN Ports (Supported by CPU64/128 only)

• Interface

• Connector

• WAN ports

• Data Rate

• LAN Features

• Compatibility

DM705-Switch: 8 10/100Mbps Ethernet, auto-sense according to IEEE 802.3DM705-IP: 2 10/100/1000Mbps Ethernet, auto-sense according to IEEE 802.3DM705-CESoP: 2 10/100/1000Mbps Ethernet, auto-sense according to IEEE 802.3

8 x RJ45 (Switch) or 2 x RJ45 (IP and CESoP)

DM705-Switch: 16 , maximum bandwidth 16MbpsDM705-IP/CESoP: 512, maximum bandwidth 32 Mbps

Nx64Kbps per VLAN, up to 2Mbps per LAN port connectionDM705-Switch: Bridge and switch mode according to IEEE 802.1q VLAN. Supports up to 32 VLANsper module with bandwidth control. Internal switching between 16 WAN ports and 8 LAN ports. Portand Tag-based VLAN switching. Flow control and up to 8K MAC address table.DM705-IP: Bridge and switch mode supporting RFC1661/1662 (Nx64Kbps PPP). Supports up to 521WAN ports to 2 LAN (GbE) ports. Compatible with DM 991CE/SE and DM 704CE/SE bridges and any3rd party PPP router. VLAN mapping according to IEEE 802.1q or IEEE 802.1p (IP type of service).Up to 3 modules can be daisy-chained. Supports Ethernet over SDH encapsulation according toVCAT/GFP standards, up to 14xVC12 per GFP tunnel. Feature available in conjunction with HS-STM-1and CPU128 cards. One GFP tunnel per card.DM705-CESoP: TDM-over-IP gateway supporting up to 16xE1 (512 TDM bundles). Each bundleconfigurable at Nx64Kbps, operating on Framed (with or without CAS) or Unframed modes. Eachbundle mapped according to Time Slot, IP address, UDP port, IP type of service or VLAN (IEEE802.1q/p). Robust clock recovery (adaptive mode) mechanism from any bundle. Complies with RFC5086(CESoPSN) and SAToP standards.DM705-Switch: DM 991CE/SE, DM 704CE/SE and DM705-Switch moduleDM705-IP: DM 991CE/SE/CR/CS, DM 704CE/SE, DM 706R1/R24/CR/CS, standard PPP 3rd party routersDM705-CESoP: EDD-Ethernet Demarcation Device, DM705-CESoP, standard CESoPSN and SAToP 3rdparty devices.

HK-House Keeping Ports

• Interface

• Connectors

2 RS-232/V.28/V.24

2 RJ 45

• Supports 16 incoming, independent, dry contacts for house keeping, alarms and telemetry Supports 4 out coming, independent, dry contacts for house keeping, tele-protection, alarms Allows monitoring and activation of external devices and sensors: doors, A/C, alarms, etc… Flexible management via DMView NMS

Ethernet Router CPU32/64/128

• Interface• Connector• WAN ports• Data rate• WAN Protocol

• Routing Protocols

10BaseT for CPU32 or 10BaseT/100BaseTx, auto sense, for CPU64/128, according to IEEE 802.3RJ 45Up to 3 with CPU32 and up to 64 with CPU64/128-channelized routern x 64 kbps, n=1,2...,32 – the sum of all WAN ports should not exceed 2048 kbps for bothCPU32/64/128Frame Relay, according to ITU-Q933 Annex ASupports up to 1023 Virtual Circuits on Frame Relay interface. In CPU64/128 supporting ITU, ANSI andNONE standards.PPP (Point-to-Point Protocol), according to RFCs 1661 and 1662Static routingDynamic routing, as per RIP v.1 and RIP v.2Supports NATP and NAT/PAT

E1 Optical Interfaces – Summary Table

Voice E&M User Ports

• Interface

• Connector

• Signaling

• Diagnostics

E&M, 2 and 4-wire – configurable

Four RJ 45 (8 RJ 45 available on request)

E&M type I, II, IV and V – configurable CAS-Channel Associated Signal, A-law according to G.711

Control port-operated test pattern generator including error detectorLocal digital loop, Ring and off-hock tests over control port

• Interface

• Connector

• Line Impedence

• Voice Channel Frequency

• Rx and Tx Gain

• Signaling

• Diagnostics

FXS or FXO, 2-wire

4xRJ11 (DM705-FXS/FXO); Telco 50 for 10xRJ11(DM705- 10FXS/10FXO)

Software-selectable 600 Ohm or 900 Ohm

300-3400 Hz uncompressed – utilizes a 64 kbps channel (time slot)

Between –4 dB to +4 dB, programmable in 1dB steps

CAS-Channel Associated Signal, A-law according to G.711Also complies with G.712, G.713, G.714 and G.715

Control port-operated test pattern generator including error detectorLocal digital loop and off-hock tests over control port

• Supports Reverse Polarity and 12/16 khz pulse metering• Supports FXS Omnibus – Party Line applications

Voice FXS-FXO User Ports

Module Link Type Number of Fibers Tx [nm] Power Sensitivity Estimated Range

MultimodeSingle modeSingle modeSingle modeSingle modeSingle modeSingle mode

2222211

13101310155013101550

1310 or 15501310 or 1550

-20dBm-15dBm-15dBm-5dBm-5dBm-15dBm-5dBm

-30dBm-34dBm-34dBm-34dBm-34dBm-34dBm-34dBm

3km45km64km72km104km45km72km

MS13SS13SS15SL13SL15

SSB13 / SSB15SLB13 / SLB15

• Supports E&M Omnibus – Party Line applications

• Dimensions All modular system. 2 slots for High-speed aggregates. 2 slots for CPU (optional redundancy). 8slots for user modules. 2 slots for power supply (optional redundancy)Dimensions: 145mm (4U) x 440mm x 154mm (Height x Width x Depth, without L-adapters forrack mounting)All slots and modules support hot swap (CPU64/128)Weight:

Weight (kg)

CabinetV.35 Dual cardE1 cardE1Q cardFO cardHS - STM 1E cardHS - FO cardFXO card

4.150.250.180.200.200.290.290.28

Card

General

• Environmental Operation Temperature: 0 to 60ºCRelative Humidity: up to 95%, non-condensingElectromagnetic Standard: ETS 300-386-1

• Clock Several sync sources:* Mux generated internal clock* 2048 kHz external clock. Input via BNC connector available on CPU card.* Clock regenerated from the STM-1, E3/T3, E1, G.SHDSL or V.35 interface

• Power 2 power supply modules can be installed for redundant operation. Power supply hot swap is allowed.Input: 93-250 VAC or 36-72 VDC, automatic detection. Full RangePower Consumption:

Power (W)

Basic unitV.35 Dual HW3 cardE1 cardE1Q cardFO cardHS - STM1E cardHS - FO card

5.32.01.01.52.53.53.5

Card

• Indicators-LEDs CPU64/128 - FAIL, POWER, ALARM, TEST, ETH-LINK, CPU-ACTIVE

• Applicable Standards (partial list)

ITU-TS: V.35, V.36, V.11, V.24, V.28, X.21, X.50, G.652, G.703, G.704, G.706, G.707, G.711,G.712, G.732, G.736, G.783, G.806, G.811, G.813, G.821, G.823, G.825, G.826, G.841, G.955,G.957, G.991.2, G.994.1Ethernet: IEEE 802.3, IEEE 802.1q

Weight (kg)

FXS cardE&M cardDSL1 cardDSL2 cardSource cardG64 cardBaseband modem card

0.200.200.180.200.630.360.33

Card

Power (W)

FXO cardFXS cardE&M cardDSL1 cardDSL2 cardG64 cardBaseband modem card

2.57.03.52.03.05.04.5

Card

Fig. 3 - Comprehensive Element and Network Management via DMView NMS

©2009 Ieru Communications Ltd. All rights reserved. Features and Specifications are subject to change without prior notice.*All other brands/names/trademarks are the property of their respective owners. Version 2.7 03/2009

ORDERING

DM STM-1

PBX

Fig. 4 - DM 705SUB - High-Capacity Access Node for Utilities and Carrier of Carriers

DM 991

DTE

256 kbps Modem

PBX

E1E1

X.50V.35

DM 705SUB

PBX

E1DTE

E1Telephone

Up to 63E1

Redudant optional E1

2wiresG.SHDSLV.28

4 wiresDM 705SUB

DM 705SUB

155 Mbit/sfiber

155 Mbit/sfiber

DTEDTEDM 703-64s

E1 G64

155 Mbit/sfiber

155 Mbit/sElectrical

Redudantoptional E1

2wiresG.SHDSL

V.11

DMView SMPManagemnt

Station

E1

OperatorNetwork

E1

DM 991C

DM 705SUB - Basic version, includes 1 power supply module. No CPU included.Modules compatible with CPU64/128 only.

DM 705 - HS-STM1E – single STM-1, 155Mbps, electrical interfaceDM 705 - HS-STM1FO-yy – single STM-1, 155Mbps, optical interface (YY see Specifications)DM 705 - HS-E3E - single E3/T3, 34/45 Mbps, electrical interfaceDM 705 - E1-16 - 16 x E1 ports, available with balanced (BNC) or unbalanced interfaces (RJ)DM 705 - E1Q – 4 x E1 ports, available with balanced (BNC) or unbalanced interfaces (RJ)DM 705 - FO2 - Dual optical interface (XX see bellow) compatible with remote E1 or DM 8192S optical interfacesDM 705 - 8DSL - 8 x G.SHDSL ports, 2 and 4-wire, N x 64Kbps up to 2 Mbps per portDM 705 - Switch - 8 x 10/100BaseT LAN ports, L2/VLAN switchingDM 705 - IP/2E1 – 2 x 10/100/1000BaseT IP aggregation module (64 WAN interfaces, up to 4MBps)DM 705 - IP/4E1 - 2 x 10/100/1000BaseT IP aggregation module (128 WAN interfaces, up to 8MBps)DM 705 - IP/8E1 - 2 x 10/100/1000BaseT IP aggregation module (256 WAN interfaces, up to 16MBps)DM 705 - IP/16E1 - 2 x 10/100/1000BaseT IP aggregation module (512 WAN interfaces, up to 32MBps)DM 705 - CESoP/2E1 – 2 x 10/100/1000BaseT CESoPSN module (64 bundles, up to 4MBps)DM 705 - CESoP/4E1 - 2 x 10/100/1000BaseT CESoPSN module (128 bundles, up to 8MBps)DM 705 - CESoP/8E1 - 2 x 10/100/1000BaseT CESoPSN module (256 bundles, up to 16MBps)DM 705 - CESoP/16E1 - 2 x 10/100/1000BaseT CESoPSN module (512 bundles, up to 32MBps)DM 705 - 6V.35 - 6 N x 64Kbps digital port (V.35/V.36/X.21/V.24 interface)DM 705 - HK - House Keeping module, dry contacts, 2 x RS-232DM 705 - CPU64 - high-capacity common logic module, 61xE1 cross-connection matrixDM 705 - CPU128 - high-capacity common logic module, 257xE1 cross-connection matrix

Modules compatible with CPU32, CPU64 and CPU128.DM 705 - CPU32 - common logic moduleDM 705 - E1 – single E1, electrical interfaceDM 705 - FO-XX – single E1, optical interface (XX see bellow)DM 705 - V35D – dual high/low-speed port

# Cable DB25 to B3 for V.36 interface, ISO 4902 connector # Cable DB25 to M34 for V.35 interface, ISO 2593 connector

# Cable DB25 to X.21 for X.21 interface, DB15 connectorDM 705 - G64 – 6 x G703, co-directional, 64 kbps interfacesDM 705 - FXS – 4 x FXS, PCM, voice interfacesDM 705 - FXO – 4 x FXO, PCM, voice interfacesDM 705 - E&M – 4 x E&M, PCM, voice interfacesDM 705 - DSL1/2 – 1/2 G.SHDSL ports, 2-wire, N x 64Kbps, up to 2 Mbps per portDM 705 - MBB – 6 baseband modems portsDM 705 - FAL – Power supply board - redundancy

AccessoriesMA-10 19" supplementary FAN unit for the DM 705SUBDM 705 - SUB-FAL – Full range AC/DC power supply module for DM 705SUBDM 705 - SUB-FAL/HW3 – Full range, high-power, power supply module for DM 705SUB