AT&T 75 - Page 323

110-TYPE HARDWARE
TABLE 3-L. System Wiring (Contd)
25-Pair Cable
Term Lead Functions
4-Pair Cable
Info.
Outlet
Term.
D-Inside
Cable
Color
Code
BR2580A
or
258A
Adapter
Pin
Num.
D-Inside
Cable
Color
Code
EIA
Term*
PDM
TDM
7400
Series
Att.
Cons.
7300
Series
500*
2500
7100
Series
Term.
No.
4
T
R
P-
P+
V1T
V1R
CT
CR
P-
P+
TXT
TXR
PXT
PXR
P-
P+
TXT
TXR
PXT
PXR
BK-G
G-BK
BK-BR
BR-BK
BK-S
S-BK
Y-BL
BL-Y
38
13
39
14
40
15
41
16
42
17
43
18
44
19
45
20
W-BL
BL-W
W-O
O-W
W-G
G-W
W-BR
BR-W
W-BL
BL-W
W-O
O-W
W-G
G-W
W-BR
BR-W
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
W-BL
BL-W
W-O
O-W
W-G
G-W
W-BR
BR-W
46
21
47
22
48
23
49
24
50
25
Y-O
O-Y
Y-G
G-Y
Y-BR
BR-Y
Y-S
S-Y
V-BL
BL-V
V-O
O-V
V-G
G-V
V-BR
BR-V
TXT
TXR
PXT
PXR
TXT
TXR
PXT
PXR
TXT
TXR
PXT
PXR
P-
P+
V1T
V1R
CT
CR
P-
P+
T
R
P-
P+
5
6
T
R
P-
P+
V1T
V1R
CT
CR
P-
P+
TXT
TXR
PXT
PXR
P-
P+
Spare
* R1V2 or R1V3 Only
3-107