AT&T 75 - Page 496

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