Power Failure Connections - Panasonic KX-NS700 Installation Manual

4.12 Power Failure Connections

When the power supply to the PBX and/or Expansion Unit fails, power failure transfer (PFT) will switch from
the current connection to the Power Failure Connection. Refer to "15.1.9 Power Failure Transfer" in the Feature
Manual for further information.
The table below shows PFT support Cards and PFT support ports.
KX-NS700 Optional card KX-NS5180
Pre-installed MCSLC4
Note
•
A CO line conversation established during power failure can be maintained even when the power
returns and the connection is switched back to the normal configuration from the Power Failure
Connection.
•
KX-NS720 does not support PFT.
•
The maximum number of available PFT ports is always 2, regardless of the number of connected
Expansion Units.
Document Version 2016-03
PFT support Cards
4.12 Power Failure Connections
PFT support ports
Port 1-2
Port 1-2
Installation Manual 147