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Backup Batteries Connection - Panasonic KX-TDA100 Installation Manual

Hybrid ip-pbx.
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Backup Batteries Connection

The backup batteries and Back-up Battery Cable (KX-A228 for PSU-S and PSU-M, or KX-
A229 for PSU-L) provide backup power supply to allow full use of the Hybrid IP-PBX in the
event of a power failure. In case of power failure, the backup batteries automatically maintain
the power for the Hybrid IP-PBX without interruption.
Be sure to comply with applicable local regulations (e.g., law, guidelines).
Turn off the battery switch on the PSU.
Connect the Back-up Battery Cable with 3 identical VRLA (Valve Regulated Lead Acid)
batteries (12 V DC × 3).
Turn on the battery switch on the PSU only after the installation of the Hybrid IP-PBX is
finished and AC power is turned on.
For 1 backup battery, battery capacity of 28 Ah or below is recommended (otherwise, the
backup battery may not be charged).
Make sure that the type and capacity of the 3 backup batteries are identical.
The Back-up Battery Cable should not be exposed to direct sunlight. Keep the Back-up
Battery Cable and the backup batteries away from heating appliances and fire. Place the
backup batteries in ventilated place.
For details about the backup batteries, refer to the manual intended for the batteries.
Make sure that the polarities of the backup batteries and wiring are correct.
Make sure that you do not short the backup batteries or cables.
There is a danger of explosion if backup batteries are incorrectly replaced. Replace
only with the same or equivalent type recommended by the manufacturer. Dispose of
used batteries according to the manufacturer's instructions.
Use the correct type of Back-up Battery Cable for the type of the PSU.
Back-up Battery Cable
Backup Batteries (12 V DC x 3)
Battery Connector
2.2 Installation of the Hybrid IP-PBX
Battery Switch
Installation Manual


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