CO & DID trunk card
Table 57
Central Office & Direct Inward Dial trunk connections
Cable from chassis
Pair
Color
1T
W-BL
1R
BL-W
2T
W-O
2R
O-W
3T
W-G
3R
G-W
4T
W-BR
4R
BR-W
5T
W-S
5R
S-W
6T
R-BL
6R
BL-R
7T
R-O
7R
O-R
8T
R-G
8R
G-R
9T
R-BR
9R
BR-R
10T
R-S
10R
S-R
11T
BK-BL
11R
BL-BK
12T
BK-O
12R
O-BK
13T
BK-G
13R
G-BK
14T
BK-BR
14R
BR-BK
15T
BK-S
15R
S-BK
16T
Y-BL
16R
BL-Y
Chapter 18 — Connecting the trunks
Pins
26
1
Unit 0
27
2
28
3
Unit 1
29
4
30
5
Unit 2
31
6
32
7
Unit 3
33
8
34
9
Unit 4
35
10
36
11
Unit 5
37
12
38
13
Unit 6
39
14
40
15
Unit 7
41
16
Column 1
Column 2
Lead designations
T0
T0
R0
R0
PPM0
T1
T1
R1
R1
PPM1
T2
T2
R2
R2
PPM2
T3
T3
R3
R3
PPM3
T4
T4
R4
R4
PPM4
T5
T5
R5
R5
PPM5
T6
T6
R6
R6
PPM6
T7
T7
R7
R7
PPM7
Option 11C Mini
Planning and Installation Guide
Page 327 of 590
Column 3
A0
B0
C0
—
Spare
A1
B1
C1
—
Spare
A2
B2
C2
—
Spare
A3
B3
C3
—
Spare
A4
B4
C4
—
Spare
A5
B5
C5
—
Spare
A6
B6
C6
—
Spare
A7
B7
C7
—
Spare