AT&T 75 - Page 430

66-TYPE HARDWARE
TABLE 4-A. 25-Pair Cable Termination on a 66-Type Connecting Block
(Contd on Next Page)
25-Pair Cable
66-Type
Connector
Connecting
Pin Pair
Color
Block
Numbers
Terminals
26 1
W-BL
1
1
BL-W 2
27
2
W-O
3
2
O-W
4
28 3
W-G
5
3 G-W
6
29
4 W-BR 7
4
BR-W
8
30
5
W-S
9
5
S-W
10
31
6
R-BL
11
6
BL-R
12
32
7 R-O 13
7
O-R 14
33 8
R-G
15
8
G-R 16
34 9 R-BR
17
9
BR-R 18
35
10 R-S 19
10
S-R
20
36
11
BK-BL 21
11
BL-BK 22
37 12
BK-O
23
12
O-BK
24
4-4