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Quidway® AR 46 Router ADSL Interface Module

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved. 1

http://datacomm.huawei.com

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Quidway® AR 46 Router ADSL Interface Module

Overview

The ADSL interface card of the AR46 router provides the telephone line based ADSL access. The

LAN user can use ordinary telephone line to connect Digital Subscriber's Loop Access Multiplexer

(DSLAM) and then connectATM/IP backbone or Internet through DSLAM, to implement high-speed

data communication and video on demand. The ADSL occupies the high band after 26 KHz to

provide the data transmission service, so it will not affect the voice service on the same line

(occupying 0 – 4 KHz low band). Usually, it can provide 32 Kbps – 8 Mbps downlink rate and 32 K –

1 Mbps uplink rate for users.

The main function of the ADSL interface card in the system is to provide the ADSL interface for

router, including the following functions:

Support activating/deactivating the ADSL line manually and SAR loop mode and provide a

convenient fault location way.

Support three interface standards, G.DMT, G.Lite and T1.413, and the adaptive mode.

Support the network coding function (except the G.Lite standard) of ADSL interface and

enhance the stability of ADSL connection.

At present, the AR46 router supports two ADSL modules: 1-port ADSL interface module and 2-port

ADSL interface module.

Specifications

The specifications ofADSL interface module of AR28 router are shown in the following table.

Interface property

The interface properties of ADSL interface module of the AR46 router are shown in the following

table.

Attribute FIC-1/2ADSL

Connector type RJ11

Interface quantity 1 (FIC-1ADSL)

2 (FIC-2ADSL)

Interface rate In the ADSL Full Rate mode (namely, ITU-T 992.1 G.DMT/ANSI T1.413),

the downlink rate can reach 8160 Kbps and the uplink rate can reach 896 Kbps.

Quidway® AR 46 Router ADSL Interface Module

Copyright ©2007 Huawei Technologies Co., Ltd. All Rights Reserved. 2

http://datacomm.huawei.com

Attribute FIC-1/2ADSL

Interface standard

ITU-T 992.1 G.DMT

ITU-T 992.2 G.Lite

ANSI T1.413 Issue 2

Cable type and

the maximum

transmission

distance

The ADSL interface cable is telephone line.

In the Full rate mode, it can reach 1.8 Km at most (namely, 6000 feet. The

maximum transmission distance is related to the quality of line).

Service provided On ordinary telephone line it also provides the ADSL access.