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Page 448 of 466 Installing and cross-connecting a Power Fail Transfer Unit
NN43041-310 Standard 01.11 October 2008
End of Procedure
Connecting a trunk to a PFTU
Follow Procedure 108 to connect a Trunk to a PFTU.
Procedure 108
Connecting a Trunk to a PFTU
1 Locate the PFTU terminal blocks at the cross-connect terminal.
2 Cross-connect the first pair of the assigned PFTU to the telephone.
See Table 61 on page 449 for PFTU connections.
3 Cross-connect the second pair of the PFTU to the TN assigned to the
telephone.
4 Cross-connect the third pair of the PFTU to the Central Office trunk.
5 Cross-connect the third pair of the PFTU to the TN assigned to the trunk.
PFT 5
21T
21R
V-BL
BL-V
Telephone
22T
22R
V-O
O-V
Telephone Line card
23T
23R
V-G
G-V
Central Office Trunk
24T
24R
V-BR
BR-V
Trunk Line card
Table 60
Power Fail Transfer Unit connections (Part 3 of 3)
QUA6 J1 Cable
Function Pair Color Connects to: