AT&T System 25 - Manual (Page 255)

MAINTENANCE
Table 4-D. 25-Pair Connector to Backplane Designations Contd)
2 5 - P i n - C o n n . .
Pin No. W i r e
C o l o r
D I D
T r u n k
TN753 T i e
T r u n k
TN760B
A u x .
T r u n k
T N 7 6 3 D a t a
L i n e
T N 7 2 6 A n a l o g
L i n e
T N 7 4 2 A n a l o g
L
i n e
T N 7 4 6 B
D S 1
I n t e r f a c e
T N 7 6 7
B a c k p l a n e
P i n N o .
(Slots 1-12)
2 6
1
2 7
2
2 8
3
2 9
4
3 0
5
3 1
6
3 2
7
3 3
8
3 4
9
3 5
1 0
3 6
1 1
3 7
1 2
3 8
1 3
3 9
1 4
4 0
1 5
4 1
1 6
4 2
1 7
4 3
1 8
4 4
1 9
4 5
2 0
4 6
2 1
4 7
2 2
4 8
2 3
4 9
2 4
5 0
2 5 W-BL
BL-W
W - O
O - W
W - G
G - W
W-BR
BR-W
W - S
S - W
R - B L
B L - R
R - O
O - R
R - G
G - R
R-BR
BR-R
R - S
S - R
BK-BL
BL-BK
BK-O
O-BK
BK-G
G-BK
BK-BR
BR-BK
BK-S
S-BK-
Y - B L
B L - Y
Y - O
O - Y
Y - G
G - Y
Y-BR
BR-Y
Y - S
S - Y
V - B L
B L - V
V - O
O - V
V - G
G - V
V-BR
BR-V
V - S
S - V T 1
R 1
T 2
R 2
T 3
R 3
T 4
R 4
T 5
R 5
T 6
R 6
T 7
R 7
T 8
R 8
GND
GND
T 1
R 1
T 1 1
R 1 1
E
1
M 1
T 2
R 2
T 1 2
R 1 2
E
2
M 2
T 3
R 3
T 1 3
R 1 3
E
3
M E
T 4
R 4
T 1 4
R 1 4
E
4
M 4
T 1
R 1
S Z 1
SZ11
S
1
S 1 1
T
2
R 2
S Z 2
SZ12
S
2
S 1 2
T
3
R 3
S Z 3
SZ13
S
3
S 1 3
T
4
R 4
S Z 4
SZ14
S
4
S 1 4
TXT1
TXR1
PXT1
PXR1
TXT2
TXR2
PXT2
PRT2
TXT3
TXR3
PXT3
PXR3
TXT4
TXR4
PXT4
PXR4
TXT5
TXR5
PXT5
PXR5
TXT6
TXR6
PXT6
PXR6
TXT7
TXR7
PXT7
PXR7
TXT8
TXR8
PXT8
PXR8
G N D
G N D
T 1
R 1
T 2
R 2
T 3
R 3
T 4
R 4
T 5
R 5
T 6
R 6
T 7
R 7
T 8
R 8
GND
GND
T 1
R 1
T
2
R 2
T
3
R 3
T
4
R 4
T 5
R 5
T
6
R 6
T
7
R 7
T
8
R 8
T
9
R 9
T 1 0
R 1 0
T 1 1
R 1 1
T 1 2
R 1 2
T 1 3
R 1 3
T 1 4
R 1 4
T 1 5
R 1 5
T 1 6
R 1 6
GND
GND
1 0 2
0 0 2
1 0 3
0 0 3
1 0 4
0 0 4
1 0 5
0 0 5
1 0 6
0 0 6
1 0 7
0 0 7
1 0 8
0 0 8
1 0 9
0 0 9
1 1 0
0 1 0
1 1 1
0 1 1
1 1 2
0 1 2
1 1 3
0 1 3
3 0 2
2 0 2
3 0 3
2 0 3
3 0 4
2 0 4
3 0 5
2 0 5
3 0 6
2 0 6
3 0 7
2 0 7
3 0 8
2 0 8
3 0 9
2 0 9
3 1 0
2 1 0
3 1 1
2 1 1
3 1 2
2 1 2
3 1 3
2 1 3
3 0 0
2 0 0
L 1 *
L1
L 0
L 0
LBACK 2
LBACK 1
4-79