AT&T System 25 - Manual (Page 289)

APPENDIX A: System Wiring Tables
Table A-A. 25-Pair Connector Pin Assignments (Contd)
25-Pin Conn. DlD Tie Aux. Data Analog Analog TN767 Backplane
Pin No. ‘W i r e Trunk Trunk Trunk L i n e Line Line D S 1 Pin No.
Color 3 TN760B TN763_ T N 7 2 6 T M 7 4 2 TN746B Interface (Slots 1-12) .
26 W-BL T1 T1 T-O T1 T1 102
1 BL-W RI RI R-O RI R1
27 w - o T11 SZ-O TXT1 T2 103
2 o - w R11 SZ1-0 TXR 1 R2 003
28 W-G El s-o PXT1 T3 104
3 G-W Ml S1-0 PXR1 R3 004
29 W-BR T2 T2 T-1 T2 T4 105
4 BR-W R2 R2 R-1 R2 R4 005
30 w-s T12 SZ-2 TXT2 106
5 s - w R12 SZ1-2 TXR2 006
31 R-BL E2 s-1 PXT2 107
6 BL-R M2 S1-1 PXR2 007
32 R-O T3 T3 T-2 T3 108
7 O-R R3 R3 R -2 R3 008
33 R-G T13 SZ-2 TXT3 109
8 G-R R13 Sz 1-2 TXR3 009
34 R-BR E3 s-2 PXT3 T5 110
9 BR-R M3 S1-2 PXR3 R5 010
35 R-S T4 T4 T-3 T4 T6 111
10 S-R R4 R4 R -3 R4 R6 011
36 BK-BL T14 SZ-3 TXT4 -I-7 112
11 BL-BK R14 SZ1-3 TXR4 R7 012
37 BK-O E4 s-3 PXT4 T8 113
12 O-BK M4 S1-3 PXR4 R8 013
38 BK-G T5 T5 T9 302
13 G-BK R5 R5 R9 202
39 BK-BR TXT5 TIO 303
14 BR-BK TXR5 R1O 203
40 BK-S PXT5 T11 304
15 S-BK PXR5 R l l 204
41 Y-BL T6 T6 T12 305
16 BL-Y R6 R6 R12 205
42 Y-o TXT6 306
17 o-Y TXR6 206
43 Y-G PXT6 307
18 G-Y PXR6 207
44 Y-BR T7 T7 308
19 BR-Y R7 R7 208
45 Y-s TXT7 309
20 s-Y TXR 7 209
46 V-BL PXT7 T13 310
21 BL-V PXR7 R13 210
47 v - o T8 T8 T14 L1* 311
22 o-v R8 R8 R14 L1 211
48 V-G TXT8 T15 LO 312
23 G-V TXR8 R15 LO” 212
49 V-BR PXT8 T16 LBACK 2 313
24 BR-V PXR8 R16 LBACK 1 213
50 v-s GND GND GND GND GND GND 300
25 s-v GND GND GND GND GND GND 200
*Denotes high side or ringside of pair
A-3