AT&T 75 Wiring Manual page 496

66-TYPE HARDWARE
Term Lead Functions
500*
2500
7100 7300
Term.
No. Series Series
4 T V1T
R V1R
P-
P+
5
T V1T
R V1R
P-
P+
6
T V1T
R V1R
P-
P+
Spare
* R1V2 or R1V3 Only
4-70
TABLE 4-I. System Wiring (Contd)
25-Pair Cable
7400 EIA
Series Term*
Att. PDM
Cons. TDM
TXT TXT
CT
TXR TXR
CR
P- PXT PXT
PXR
P+ PXR
P-
P +
CT TXT TXT
CR TXR TXR
P- PXT PXT
P + PXR PXR
P-
P +
CT TXT TXT
CR TXR TXR
P- PXT PXT
P+ PXR PXR
P-
P +
BR2580A
or
D-Inside 258A
Adapter
Cable
Pin
Color
Code Num.
BK-G 38
G-BK
13
BK-BR 39
BR-BK 14
BK-S 40
S-BK 15
Y-BL 41
16
BL-Y
42
Y-O
17
O-Y
Y-G 43
18
G-Y
Y-BR 44
BR-Y 19
Y-S 45
20
S-Y
V-BL 46
BL-V 21
47
V-O
O-V 22
V-G 48
G-V 23
V-BR 49
BR-V 24
50
25
4-Pair Cable
D-Inside
Cable Info.
Color Outlet
Code Term.
W-BL 1
BL-W 2
W-O
3
O-W 4
W-G
5
G-W 6
W-BR 7
BR-W 8
W-BL 1
2
BL-W
W-O
3
4
O-W
W-G 5
G-W 6
W-BR 7
BR-W 8
W-BL
1
BL-W 2
W-O 3
4
O-W
W-G
5
G-W 6
W-BR 7
BR-W 8