Telephone Features 3-107
3.2 Telephone Features P
Power Failure Transfer
During a power failure, each of the following outside (CO) lines will be connected to an
assigned extension.
Outside (CO) line 1: jack number 01
Outside (CO) line 4: jack number 09
Conditions
• During a power failure, all features cannot be used except for incoming and outgoing
outside calls from jack numbers 01 and 09.
• If jack numbers 01 and 09 are connected to proprietary telephones, disconnect the units
and connect single line telephones.
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