ADTRAN 25 Table A-A. 25-Pair Connector Pin Assignments, Note: TN747 is same as ZTN76 and ZTN77. TN762 is same as ZTN79. A-2

APPENDIX A: System Wiring Tables
Table A-A. 25-Pair Connector Pin Assignments
25-Pin Corm. CallGSLSTlp Ring ATL
MET Backplane
Pin No. WireProc.
Trunk Trunk Line Line
Line
Pin No.
Color ZTN82N76 ZTN77 ZTN78
ZTN79 TN735 (Slots 1-12)
.
26
W-BL RDA
T1 T1
T1 T1
T1 102
1 BL-W SGA RI RI RI
R1 R1
002
27
w-o
CT1 BTI
103
2
o-w
DCDA
CR1 BR1
003
28
W-G DTRA
P-1
LT 1 104
3 G-W TDA
P+l
LTR 1
004
29
W-BR RDB T2 T2
T2 T2
T2
105
4 BR-W
SGB
R2 R2 R2 R2
R2
005
30
w-s
CT2 BT2 106
5 s-w DCDB
CR2 BR2
006
31
R-BL DTRB P-2
LT2
107
6
BL-R TDB P+2
LTR2 007
32 R-O RDC
T3
T3 T3 T3 T3
108
7 O-R SGC
R3 R3 R3
R3 R3 008
33
R-G
CT3 BT3 109
8 G-R
DCDC CR3
BR3 009
34 R-BR DTRC
P-3 LT3
110
9BR-R
TDC
P+3
LTR3 010
35
R-S RDD T4
T4 T4
T4 T4
111
10 S-R SGD R4 R4
R4 R4
R4 011
36 BK-BL
CT4 BT4 112
11 BL-BK DCDD
CR4 BR4 012
37 BK-O
DTRD
P-4 LT4 113
12 O-BK
TDD P+4 LTR4 013
38 BK-G
T5 T5 T5
T5 302
13
G-BK
R5
R5 R5 R5 202
39 BK-BR
CT5
303
14
BR-BK
CR5 203
40
BK-S P-5 3(M
15
S-BK
P+5 204
41
Y-BL T6
T6 T6 T6 305
16 BL-Y
R6 R6 R6
R6 205
42 Y-o
CT6 306
17
o-Y
CR6
206
43
Y-G P-6 307
18 G-Y
P+6
207
44 Y-BR T7 T7
T7 T7 308
19 BR-Y
R7 R7
R7
R? 208
45 Y-s
ETU48 CT7 309
20 s-Y
ETUGD
CR7 209
46
V-BL ETU48
P-7 310
21
BL-V ETUGD
P+7
210
47 v-o T8 T8 T8 T8
311
22 o-v
R8 R8 R8
R8 211
48 V-G
ETU48 CT8
312
23 G-V ETUGD CR8 212
49 V-BR
ETU48
P-8 313
24 BR-V
ETUGD P+8 213
50
v-s GND GND GND GND GND 300
25 s-v GND GND
GND
GND GND 200
Note: TN747 is same as ZTN76 and ZTN77. TN762 is same as ZTN79.
A-2