SL1000 Getting Started Guide
24
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.