Power Failure Through Call Switching Circuit - Panasonic KX-TES824LA Service Manual

KX-TES824LA / KX-TEM824LA /

11.5. POWER FAILURE THROUGH CALL SWITCHING CIRCUIT

11.5.1. Circuit operation
If an AC power failure lasts longer than one second (momentary power failure), the COL is directly connected to the extension.
The COL1 will be connected with EXT101.
When power failure, RL200 switches from EXT-line to CO [T/R].
*In case of KX-TEM824, and the COL4 will be connected with EXT109.
*In case of KX-TE82480, and the CO7 will be connected with EXT117.
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