Nortel Networks Circuit Card - Manual (Page 657)

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