AT&T Network Adapter 25 Installation And Maintenance Manual page 289

Table A-A. 25-Pair Connector Pin Assignments (Contd)
25-Pin
Conn. DlD
Pin No. 'W i r e Trunk Trunk
Color
3 TN760B TN763_ T N 7 2 6 T M 7 4 2 TN746B Interface (Slots 1-12)
W-BL
26 T1
1 BL-W RI
w - o
27
2 o - w
W-G
28
G-W
3
29 W-BR T2
4 BR-W
R2
30 w-s
5 s - w
31 R-BL
6 BL-R
32 R-O T3
7 O-R R3
33 R-G
8 G-R
R-BR
34
9 BR-R
35 R-S T4
10 S-R R4
36 BK-BL
11 BL-BK
37 BK-O
12 O-BK
38 BK-G T5
13 G-BK R5
39 BK-BR
14
BR-BK
40 BK-S
15 S-BK
41 Y-BL T6
16 BL-Y R6
42 Y-o
17 o-Y
43 Y-G
18 G-Y
44 Y-BR T7
19 BR-Y R7
45 Y-s
20 s-Y
46 V-BL
BL-V
21
47 v - o T8
22 o-v R8
48
V-G
G-V
23
49 V-BR
BR-V
24
v-s
50 GND
s-v
25 GND
*Denotes high side or ringside of pair
APPENDIX A: System Wiring Tables
Data Analog Analog TN767
Tie Aux.
Trunk L i n e Line
T1
T1 T-O
RI R-O
RI
T11 SZ-O TXT1
R11 SZ1-0 TXR 1
PXT1
El s-o
Ml S1-0 PXR1
T2 T-1 T2
R-1 R2
R2
TXT2
T12 SZ-2
TXR2
R12 SZ1-2
E2 s-1 PXT2
S1-1 PXR2
M2
T3
T3 T-2
R3
R3 R -2
T13 SZ-2 TXT3
R13 Sz 1-2 TXR3
PXT3
E3 s-2
PXR3
M3 S1-2
T4
T4 T-3
R4 R -3 R4
TXT4
T14 SZ-3
R14 SZ1-3 TXR4
E4 s-3 PXT4
M4 S1-3 PXR4
T5
R5
TXT5
TXR5
PXT5
PXR5
T6
R6
TXT6
TXR6
PXT6
PXR6
T7
R7
TXT7
TXR 7
PXT7
PXR7
T8
R8
TXT8
TXR8
PXT8
PXR8
GND
GND GND GND
GND GND GND
GND
Backplane
Pin No.
Line
D S 1
.
T1 102
R1
T2 103
003
R2
T3 104
R3 004
T4 105
R4 005
106
006
107
007
108
008
109
009
T5 110
R5 010
T6 111
011
R6
-I-7 112
R7 012
113
T8
R8 013
T9 302
R9 202
303
TIO
203
R1O
304
T11
R l l 204
T12 305
R12 205
306
206
307
207
308
208
309
209
T13 310
210
R13
T14 L1* 311
211
R14 L1
T15 LO 312
R15 LO" 212
T16 LBACK 2 313
R16 LBACK 1 213
300
GND
GND 200
A-3