Physical Description; Power Consumption; Functional Description - Avaya Nortel Communication Server 1000 Reference

NT6D71 UILC line card
A UILC can reside in a Media Gateway or Media Gateway Expansion. A maximum of four
UILCs are supported in a Media Gateway and Media Gateway Expansion.

Physical description

The NT6D71 UILC is a standard-size circuit card. Its faceplate is equipped with an LED to
indicate its status.
The NT6D71 UILC is a standard size circuit card designed to be inserted in peripheral
equipment slots in the Meridian 1. Its faceplate is equipped with an LED to indicate its
status.
The NT6D71 UILC is a standard-size circuit card that inserts in slots in the Media Gateway
and Media Gateway Expansion. The NT6D71 UILC can be installed in slots 1, 2, 3, and 4 of
the Media Gateway and slots 7, 8, 9, and 10 of the Media Gateway Expansion.
The faceplate is equipped with an LED to indicate its status.

Power consumption

Power consumption is +5 V at 1900 mA.
Power consumption is +5 V at 1900 mA.
Power consumption is +5 V at 1900 mA.

Functional description

Each U interface provides two B-channels and one D-channel and supports one physical
termination. This termination can be to a Network Termination (NT1) or directly to a single U
interface terminal. Usually, this physical termination is to an NT1, which provides an S/T
interface that supports up to eight physical terminal connections. The length of a DSL depends
on the specific terminal configuration and the DSL wire gauge; however, it should not exceed
5.5 km (3.3 mi).
The main functions of the UILC are as follows:
• provide eight ISDN U interfaces conforming to ANSI standards
• support point-to-point DSL terminal connections
• provide channel mapping between ISDN BRI format (2B+D) and system bus format
• multiplex four D-channels onto one timeslot
312 Circuit Card Reference
Comments? infodev@avaya.com
July 2011