September 2004
NEC Business Solutions Ltd
34 -
Trunk/Extension Cabling and Installing the Expansion PCBs
Doc.
No.
8
846 -
Release
1.
1
Sept
ember
2004
S
ECTION
3
P
OWER
F
AILURE
T
RANSFER
3.1 General
In the event of AC Power failure, the specified trunks are directly
connected to the specified extension ports as below.
3.2 Power Failure Setting
1. SLT is connected to the Extension Port No. 8 / 16 / 24 .
2. Change the switch position of "CN500" from "KT" to "PF" as below.
(Default : KT)
Trunk Port
Extension Port
No.1
J
No.8
No.4
J
No.16
No.7
J
No.24
The connected extensions must be SLT (Single Line Telephone).
