Communication Server Large System Installation and Commissioning

Cabling lines and trunks Page 297 of 456
Communication Server 1000M and Meridian 1 Large System Installation and Commissioning
Table 59
NT5K19 Flexible E&M AC15 trunk connections for NT8D37 I/O panel connectors A, E, K, R
Lead designations I/O panel connectors
Unit
number
Type 1 mode Pins
Pair
color
A E K R
TA
TB
26
1
W-BL
BL-W
Slot 0 Slot 4 Slot 8 Slot 12 Unit 0
RA
RB
27
2
W-O
O-W
TA
TB
30
5
W-S
S-W
Slot 0 Slot 4 Slot 8 Slot 12 Unit 1
RA
RB
31
6
R-BL
BL-R
TA
TB
34
9
R-BR
BR-R
Slot 0 Slot 4 Slot 8 Slot 12 Unit 2
RA
RB
35
10
R-S
S-R
TA
TB
38
13
BK-G
G-BK
Slot 0 Slot 4 Slot 8 Slot 12 Unit 3
RA
RB
39
14
BK-BR
BR-BK
Note: The cable pair designated TA, TB is the transmit pair. The pair designated RA, RB is the
receive pair.