Nortel NT1R20 Description page 286

Page 262 of 290
Figure 74
Integrated services digital line card—typical connection example
Meridian 1
NT8D13
PE Module
QPC578
ISD
Slot 0
digital
line card
Unit 0
0/8
Unit 1
1/9
Unit 2
2/10
Unit 3
3/11
Unit 7
7/15
Note: Actual pin numbers may vary depending on the vintage
of the card cage and the slot where the card is installed.
553-3001-105 Standard 5.00 June 1999
QPC578 Integrated Services Digital Line Card
Module
I/O Panel
Connector
A
(W-BL)
0T
26
(BL-W)
0R
1
(W-O)
27
(O-W)
2
(W-G)
1T
28
(G-W)
1R
3
(W-BR)
29
(BR-W)
4
(W-S)
2T
30
(S-W)
2R
5
(R-BL)
31
(BL-R)
6
Part of
25-pair
cable
Cross-connect
MDF
Tip
Ring
NC
Tip
Ring
NC
Tip
Ring
NC
Digital
telephone sets
and terminals or
personal computers
Terminal
Digital
telephone set or PC
RS-232C
RS-232C
RS-232C
553-6184