AT&T Network Adapter 25 Installation And Maintenance Manual page 290

APPENDIX A: System Wiring Tables
Term. Lead Functions
5 0 0
7 1 0 1 A Cordless
Ckt.
2 5 0 0 7300H
No. Series
1 T
R
T
2
R
3 T
R
4 T
R
5 T
R
A - 4
Table A-B. Building Wiring
25-Pair Cable
ATL
D-Inside
Cable
RS-232C Color
Series Term , code
T W-BL
R
BL-W
w-o
CT
TXR
CR o-w
P- PXT W-G
P+
PXR G w
W-BR
BR-W
T w-s
R
s-w
CT R-BL
CR TXR BL-R
P- PXT R-O
P+
PXR O-R
R-G
G-R
T R-BR
R BR-R
CT TXT R-S
CR TXR S-R
P- PXT BK-BL
P+ PXR BL-BK
BK-O
O-BK
T BK-G
R GBK
CT TXT BK-BR
BR-BK
CR TXR
P- PXT BK-S
P+
PXR S-BK
Y-BL
BL-Y
T Y-o
R O-Y
CT Y-G
CR TXR G-Y
P- PXT Y-BR
P+ PXR BR-Y
Y-s
S-Y
4-Pair Cable
D-Inside
Conn. Cable Conn.
P i n Color Block
Num. code Term.
26 W-BL 1
1 2
BL-W
27 w-o 3
2 o-w 4
28 W-G 5
3 6
G-W
W-BR 7
29
4 BR-W 8
30 W-BL 1
5 BL-W 2
w-o
31 3
4
6 o-w
32 W-G 5
7 G-W 6
33 W-BR 7
8 BR-W 8
1
34 W-BL
9 BL-W 2
35 w-o 3
10 o-w 4
36 W-G 5
11 G-W
6
37 W-BR 7
12
BR-W 8
38 W-BL 1
13 BL-W 2
39 w-O 3
14 o-w 4
40 W-G 5
15 G-W 6
41 W-BR 7
16 BR-W 8
42 1
W-BL
17 BL-W 2
43
w-o 3
18 o-w 4
44 W-G 5
19 G-W 6
45 W-BR 7
20 BR-W 8