Nortel Circuit Card Installation Manual page 657

Figure 153
E&M trunk card – typical cross connection example
System
NT8D37
IPE Module
NT8D15
E&M
Trunk Card
Unit 0
Unit 1
Unit 3
Note: Actual pin numbers may vary depending on the vintage of
the card cage and the slot where the card is installed.
Module
I/O Panel
Connector
Slot 0
A
(W-BL)
0TA
26
(BL-W)
0TB
1
(W-O)
0RA
27
(O-W)
0RB
2
(W-G)
0E
28
(G-W)
0M
3
(W-BR)
0ECG
29
(BR-W)
0ESCG
4
(W-S)
1T
30
(S-W)
1R
5
(R-BL)
1E
31
(BL-R)
1M
6
NT8D15 E&M Trunk card
Cross connect
MDF
TipA
TipB
RingA
RingB
ECG
ESCG
Tip
Ring
Part of
25-pair
cable
Circuit Card
Page 657 of 906
E&M trunk
connections
4-wire
Type I
E
E&M
M
Trunk
2-wire
Type I
E
E&M
M
Trunk
553-AAA1155
Description and Installation