NEC Aspila EX Hardware Manual page 143

CÔNG TY VIỄN THÔNG VIỆT PRO
Installing the Power Failure Telephones:
1.
2.
3.
4.
The 8COIU PCB is shown here.
Aspila EX Hardware Manual
Chuyên phân phối tổng đài NEC
Connect an RJ61 connector to the COIU PCB installed in the Aspila EX system.
Install a Master type socket for each single line telephone supporting PF operation. The
socket should be within 2 mteres of the phone.
For each extension, run one-pair station cable from the RJ61 connector to the master socket.
Terminate the pair to pins 2 & 5 of the socket..
Figure 4-36: POWER FAILURE CIRCUIT INSTALLATION
Section 4: Optional Equipment
Section 4: Optional Equipment
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