Connector Pin Assignments - Nortel Circuit Card Installation Manual

Connector pin assignments

Table 206
E&M trunk card – backplane pinouts for 2-wire modes
Trunk
Number Pin
0 12B
15B
1 16B
19B
2 62B
65B
3 66B
69B
The E&M trunk card brings the four analog trunks to the backplane through
a 160-pin connector shroud.The backplane is cabled to the I/O panel on the
rear of the module, which is then connected to the Main Distribution Frame
(MDF) by 25-pair cables.
Telephone trunks connect to the E&M trunk card at the MDF using a wiring
plan similar to that used for line cards.
A typical connection example is shown in Figure 153 on
the connections to the E&M trunk card in the various 2-wire modes is shown
in Table 206. A list of the connections to the E&M trunk card in the various
4-wire modes is shown in Table 207 on
See the Communication Server 1000S: Installation and Configuration
(553-3031-210) for complete I/O connector information and wire
assignments for each tip/ring pair.
2-wire Paging Mode
Signal Pin
Tip 12A
A 15A
Tip 16A
A 19A
Tip 62A
A 65A
Tip 66A
A 69A
NT8D15 E&M Trunk card
page
Signal Pin
Ring 12B
PG 14B
Ring 16B
PG 18B
Ring 62B
PG 64B
Ring 66B
PG 48B
Circuit Card
Page 655 of 906
page 657. A list of
656.
2-wire Type I Mode
Signal Pin
Tip 12A
E 14A
Tip 16A
E 18A
Tip 62A
E 64A
Tip 66A
E 68A
Description and Installation
Signal
Ring
M
Ring
M
Ring
M
Ring
M