AT&T 75 - Page 322

110-TYPE HARDWARE
Table 3-L provides detailed wiring information for the 25-pair cables, the adapters, and the
information outlets.
Note: Bridged taps must not be used on any part of the station wiring.
TABLE 3-L. System Wiring
(Contd on Next Page)
25-Pair Cable
4-Pair Cable
Term Lead Functions
BR2580A
500*
7400
EIA
or
2500
Series
Term* D-Inside
258A
D-Inside
Cable
Adapter Cable
Info.
Term.
7100
7300 Att. PDM
Color
Pin Color Outlet
No.
Series
Series
Cons.
TDM
Code
Num.
Code
Term.
1
T
V1T
W-BL
26
W-BL 1
R
V1R
BL-W
1 BL-W
2
CT TXT
TXT
W-O
27
W-O
3
CR TXR
TXR
O-W
2
O-W
4
P- PXT PXT
W-G
28
W-G
5
P+ PXR
PXR
G-W
3 G-W
6
P- P-
W-BR 29
W-BR 7
P+
P+
BR-W
4
BR-W 8
2
T V1T
W-S
30
W-BL 1
R
V1R S-W
5
BL-W
2
CT
TXT TXT
R-BL
31
W-O
3
CR TXR
TXR
BL-R
6
O-W
4
P-
PXT PXT
R-O
32
W-G 5
P+
PXR PXR
O-R
7
G-W
6
P-
P-
R-G
33
W-BR
7
P+
P+
G-R
8
BR-W 8
3
T
V1T
R-BR
34
W-BL 1
R
V1R
BR-R 9
BL-W
2
CT
TXT
TXT R-S
35
W-O
3
CR
TXR TXR S-R
10 O-W
4
P- PXT
PXT
BK-BL
36
W-G
5
P+ PXR PXR
BL-BK
11
G-W
6
P-
P-
BK-O
37
W-BR 7
P+
P+
O-BK
12
BR-W 8
* R1V2 or R1V3 Only
3-106