NT8D15 E&M Trunk card Page 643 of 894
Circuit Card Description and Installation
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.
Table 201
E&M trunk card – backplane pinouts for 2-wire modes
Trunk
Number
2-wire Paging Mode 2-wire Type I Mode
Pin Signal Pin Signal Pin Signal Pin Signal
0 12B Tip 12A Ring 12B Tip 12A Ring
15B A 15A PG 14B E 14A M
1 16B Tip 16A Ring 16B Tip 16A Ring
19B A 19A PG 18B E 18A M
2 62B Tip 62A Ring 62B Tip 62A Ring
65B A 65A PG 64B E 64A M
3 66B Tip 66A Ring 66B Tip 66A Ring
69B A 69A PG 48B E 68A M
Table 202
E&M trunk card – backplane pinouts for 4-wire modes (Part 1 of 2)
Trunk
Number
4-wire Type I Mode 4-wire Type II Mode
Pin Signal Pin Signal Pin Signal Pin Signal
0 12B TA 12A TB 12B TA 12A TB
13B RA 13A RB 13B RA 13A RB
14B E 14A M 14B EA 14A EB
15B ECG 15A ESCG 15B MA 15A MB