Communication Server Large System Installation and Commissioning
Cabling lines and trunks Page 295 of 456
Communication Server 1000M and Meridian 1 Large System Installation and Commissioning
Table 58
NT5K19 Flexible E&M 4-Wire Type 1 connections for NT8D37 I/O panel connectors B, F, L, S
(Part 1 of 2)
Lead designations I/O panel connectors
Unit
number
Type 1 mode Pins
Pair
color
B F L S
TA
TB
26
1
W-BL
BL-W
Slot 1 Slot 5 Slot 9 Slot 13 Unit 0
RA
RB
27
2
W-O
O-W
E
M
28
3
W-G
G-W
TA
TB
30
5
W-S
S-W
Slot 1 Slot 5 Slot 9 Slot 13 Unit 1
RA
RB
31
6
R-BL
BL-R
E
M
32
7
R-O
O-R
TA
TB
34
9
R-BR
BR-R
Slot 1 Slot 5 Slot 9 Slot 13 Unit 2
RA
RB
35
10
R-S
S-R
E
M
36
11
BK-BL
BL-BK
TA
TB
38
13
BK-G
G-BK
Slot 1 Slot 5 Slot 9 Slot 13 Unit 3
RA
RB
39
14
BK-BR
BR-BK
E
M
40
15
BK-S
S-BK
Note: The cable pair designated TA, TB is the transmit pair. The pair designated RA, RB is the
receive pair.