Power Failure Connections - Panasonic KX-NS300 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 "5.6.2 Power Failure Transfer" in the Feature
Guide for further information.
The table below shows PFT support Cards and PFT support ports.
KX-NS300 Pre-installed LCOT6
Pre-installed MCSLC16
KX-NS320 Optional card KX-NS5180
Pre-installed MCSLC16
The table below shows the maximum number of PFT connections for each stacking configurations.
KX-NS300
(Pre-installed)
2
Note
A trunk 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.
Power Failure Connection
In the case of KX-NS300
In the event of a power failure, a specific SLT port is automatically supplied power through the CO port. The
PFT ports are the port 1-2 (on pre-installed MCSLC16) and port 1-2 (on pre-installed LCOT6).
To CO1, CO2
PFT support Cards
KX-NS300 KX-NS300
(Maximum) w/1 KX-NS320
2
To SLT1, SLT2
4.12 Power Failure Connections
PFT support ports
Port 1-2
Port 1-2
Port 1-4
Port 1-4
KX-NS300
w/2 KX-NS320s
6 10
KX-NS300
w/3 KX-NS320s
14
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