Huawei RT-1E1 User manual

Quidway® AR 28 Router E1 Interface Module

Overview

The E1 interface module of the AR28 router falls into channelized type (RT-*E1) and

non-channelized type (RT-*E1-F).Where, E1-F indicates fractional E1. The main differences from

the channelized E1 interface module are:

The FE1 working mode supported by the non-channelized E1 interface module can be bound

once (bound as a channel; the rate is n × 64 K, n=1-31). The channelized E1 interface module

can group the 31 channels randomly to realize repeated bindings.

zThe non-channelized E1 interface module does not support the PRI mode.

Where, the channelized E1 interface module includes four types: 1-port, 2-port, 4-port and 8-port,

indicating 1-port, 2-port, 4-port and 8-port channelized E1/PRI interface modules. The

non-channelized E1 interface module also includes four types: 1-port, 2-port, 4-port and 8-port,

indicating 1-port, 2-port, 4-port and 8-port non-channelized E1 interface cards.

Specifications

The E1 interface module of AR28 routers falls into eight types and ten specifications. The

specifications are listed in the following table.

Product Number Connector

Type Description

RT-1E1-F-V2 DB15 1-port non-channelized E1 interface module (V2)

RT-2E1-F-V2 DB15 2-port non-channelized E1 interface module (V2)

RT-4E1-F-V2 DB25 4--port non-channelized E1 interface module (V2)

RT-1E1-V2 DB25 1-port CE1/PRI interface module (V2)

RT-2E1-V2 DB68 2-port CE1/PRI interface module (V2)

RT-4E1-V2 DB68 4-port CE1/PRI interface module (V2)

http://datacomm.huawei.com

Quidway® AR 28 Router E1 Interface Module

Connector

Product Number Description

Type

RT-8E1(75) DB68 8-port E1 interface module (75ohm)

RT-8E1(120) DB68 8-port E1 interface module (120ohm)

RT-8E1(75)-F DB68 8-port non-channelized E1 interface module (75ohm)

RT-8E1(120)-F DB68 8-port non-channelized E1 interface module (120ohm)

Interface property

The interface properties of 1E1/2E1/4E1 and 1E1-F/2E1-F/4E1-F modules are shown in the

following table:

Description

Properties 1E1/1E1-F module 2E1/2E1-F module 4E1/4E1-F module

Connector type DB15 DB15 DB25

Connector quantity 1 2 1

Interface standard G.703 and G.704

Interface rate 2.048 Mbps

Cable type

E1 75 ohm unbalanced coaxial cable

E1 120 ohm unbalanced twisted pair

120 ohm 4E1 transit cable (FIC-4E1/FIC-4E1-F)

75 ohm 4E1 transit cable (FIC-4E1/FIC-4E1-F)

Coaxial connector, network interface connector and 75 ohm-120 ohm converter

(with BNC connector)

Working mode E1, CE1 and ISDN PRI (only supported by FIC-1E1/FIC-2E1/FIC-4E1)

FE1 (only supported by FIC-1E1-F/FIC-2E1-F/FIC-4E1-F)

Service supported

Backup

ISDN PRI (only supported by FIC-1E1/FIC-2E1/FIC-4E1)

Access of private line

The interface properties of FIC-8E1 and FIC-8E1-F are shown in the following table:

Description

Properties 8E1/8E1-F module (75 ohm) 8E1/8E1-F module (120 ohm)

Connector type DB68

Connector quantity 1

Interface standard G.703

Interface rate 2.048 Mbps

http://datacomm.huawei.com

Quidway® AR 28 Router E1 Interface Module

Description

Properties 8E1/8E1-F module (75 ohm) 8E1/8E1-F module (120 ohm)

Interface cable

type 75 ohm 8E1 transit cable 120 ohm 8E1 transit cable

Working mode E1, CE1 and ISDN PRI (only supported by FIC-8E1)

FE1 (only supported by FIC-8E1-F)

Service supported

Backup

Terminal access service

ISDN PRI (only supported by FIC-8E1)

http://datacomm.huawei.com

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