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Page 312 of 488 Installing and cross-connecting a trunk card
553-3041-210 Standard 4.00 September 2007
Note: The connections on the NT5K18 Exchange Line Trunk card are
polarity-sensitive. Make sure the ground side of the trunk is connected to
the A leg of the NT5K18 circuit. Make sure the -50 Volt side of the trunk
is connected to the B leg of the NT5K18 circuit.
39
14
BK-BR
BR-BK
T7
R7
40
15
BK-S
S-BK 7
41
16
Y- B L
BL-Y
Table 33
NT5K18 Exchange line trunk card cross-connect terminations
(Part 1 of 2)
Pair Pins Pair color Unit
T0
R0
26
1
W-BL
BL-W 0
27
2
W-O
O-W
T1
R1
28
3
W-G
G-W 1
29
4
W-BR
BR-W
T2
R2
30
5
W-S
S-W 2
31
6
R-BL
BL-R
Table 32
NT5K17 Direct Inward Dial card terminations (Part 2 of 2)
Pair Pins Pair color Unit