Power Failure Transfer; Lockout - Panasonic KX-TD816 Operating Instructions Manual

1.7 Useful Features

Power Failure Transfer

During a power failure, each outside (CO) line will be connected to an assigned extension.
• During a power failure, all features cannot be used except for incoming and outgoing
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• If extension jacks 01 and 09 are connected to proprietary telephones, disconnect the units
• Automobile type batteries, which are customer supplied, are available as a system back up
• The batteries can be connected directly to the unit. For more information, refer to the
• See the Installation Manual, Section 3, "Power Failure Transfer".

Lockout

If one party in a conversation goes on-hook, both parties will be disconnected from the speech
path automatically. A reorder tone is sent to the off-hook party before it is disconnected. No
operation is necessary.
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Outside (CO) line 1: extension jack 01
Outside (CO) line 4: extension jack 09
outside calls from extension jacks 01 and 09.
and connect single line telephones.
power supply to operate all the features during a power failure.
Installation Manual.
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Operations