Nortel Networks Circuit Card 311 User Manual

Page 281

Installation

281

Table 120
LEI card - NT8D37 IPE module vintage level port cabling

Vintage Level

Number of ports

cabled to I/O panel

NT8D37BA

30 ports

NT8D37DE

16 ports

NT8D37EC

30 ports

Available and restricted card slots in the NT8D37 IPE module

If installing the LEI into an NT8D37 IPE module, the card slots available
depend on the vintage level module.

Vintage levels cabling 30 ports:

For modules with vintage levels that

cabled 30 ports to the I/O panel, the LEI can be installed in any pair of
card slots 0-15.

Vintage levels cabling 16 ports:

For modules with vintage levels that

cable 16 ports to the I/O panel, the LEI can be installed into the card slot
pairs shown in the following card slots:

Available:

Motherboard/Daughterboard
0 and 1
1 and 2
4 and 5
5 and 6
8 and 9
9 and 10
12 and 13
13 and 14

LEIs must not be installed into the following card slot pairs:

Restricted:

Motherboard/Daughterboard
2 and 3
3 and 4
6 and 7
10 and 11
11 and 12
14 and 15

If the LEI must be installed into one of the restricted card slot pairs, rewire
the IPE module card slot to the I/O panel by installing an additional NT8D81
cable from the LEI motherboard slot to the I/O panel, and re-arranging
the three backplane connectors for the affected card slots. This permits

Nortel Communication Server 1000

Circuit Card Reference

NN43001-311

01.04

Standard

Release 5.0

23 May 2008