Procedure 13 connecting to the mdf – Nortel Networks Circuit Card 311 User Manual

Page 204

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204

NT5D11 and NT5D14 Lineside T1 Interface cards

Usually, the I/O panel is connected to the T1 link and other external devices
through the NT5D13AA Lineside T1 I/O cable. See

Figure 36 "Lineside T1

card - connecting two or more cards to the MMI" (page 211)

. This cable

consists of a 25-pair amphenol connector (P1) on one end which plugs into
the I/O panel. The other end has 4 connectors:

Step

Action

1

a DB15 male connector (P2) which plugs into the T1 line

2

a DB9 male connector (P3) which plugs into an external alarm
system

3

a second DB9 male connector (P5) which connects to an MMI
terminal or modem

4

a DB9 female connector (P4) that connects to the next Lineside T1
card’s P4 connector for MMI daisy chaining

—End—

Cabling from the I/O panel at the Main Distribution Frame

All Lineside T1 connections can be made at the main distribution frame
(MDF) if it is preferred to not use the NT5D13AA Lineside T1 I/O cable
at the I/O panel.

Procedure 12

Connecting to the MDF

Step

Action

To make the connections at the MDF, follow this procedure:

1

Punch down the first eight pairs of a standard telco 25-pair
female-connectorized cross-connect tail starting with the first tip
and ring pair of the Lineside T1 motherboard card slot on the
cross-connect side of the MDF terminals.

2

Plug the NT5D13AA Lineside T1 I/O cable into this 25-pair
cross-connect tail at the MDF, regardless of the card slot restrictions
that exist from the vintage level of IPE or CE module used. This
connection can also be made at the MDF without using the NT5D13
Lineside T1 I/O cable, by cross-connecting according to the pinouts
in

Table 97 "Lineside T1 card - backplane pinouts" (page 207)

.

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

01.04

Standard

Release 5.0

23 May 2008

Copyright © 2003-2008, Nortel Networks

.

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