Power Failure Options; Power Failure Setting Use Sl1000 System - NEC SL1000 Getting Started Manual

SL1000 Getting Started Guide

Power Failure Options

There are various options available for Power Failure Operation.

1. Power Failure Setting use SL1000 system

In the event of AC power failure, the specified trunks are directly connected to the specified extension
ports as below. And SLT must be connected to the specified extension. The multi-line telephone (4W)
does not work when connected to the specified extension port.
Trunk Port No.1 -> Extension Port No.8
• The connected extension must be SLT (Single Line Telephone).
• Hardware switch (J6) must be set from "KT" to "PF" side (default: KT) when use the Power failure
transfer circuit.
1. Turn the system power off.
2. Loosen two screws and open the Main-Cover by opening up the 2-hooks.
3. Make sure the Hardware Switch (J6) location on the KSU.
4. Use Needle-nose pliers to change the switch position of "J6" from "KT" to "PF" as below. (Default: KT)
5. Connect a SLT to the extension port No. 8.
6. Replace the Main-cover and fasten two screws.
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