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Page 312 of 466 Installing and cross-connecting a trunk card
NN43041-310 Standard 01.11 October 2008
Note: The speech pairs on the NT5K19 card are polarity-insensitive.
The E&M signaling pairs, however, are polarity-sensitive. Make sure the
ground side of the trunk is connected to the A leg of the NT5K19 circuit.
Make sure the -50 Volt side of the trunk is connected to the B leg.
Table 38
NT5K19 2W paging mode terminations
Pair Pins Pair color Unit
T0
R0
27
2
W-O
O-W 0
A
PG
29
4
W-BR
BR-W
T1
R1
31
6
R-BL
BL-R 1
A
PG
33
8
R-G
G-R
T2
R2
35
10
R-S
S-R 2
A
PG
37
12
BK-O
O-BK
T3
R3
39
14
BK-BR
BR-BK 3
A
PG
41
16
Y- B L
BL-Y
Table 39
NT5K19 2W Type 1 mode terminations (Part 1 of 2)
Pair Pins Pair color Unit
T0
R0
27
2
W-O
O-W 0
E
M
28
3
W-G
G-W