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1.7
Useful Features
Power Failure Transfer
During a power failure, each of the following exchange lines will be connected to an assigned
extension.
Exchange line 1: extension port 01
Exchange line 4: extension port 09
• During a power failure, all features cannot be used except for incoming and outgoing
!
!
outside calls from extension ports 01 and 09.
• If extension ports 01 and 09 are connected to proprietary telephones, disconnect the units
and connect single line telephones.
• 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. Reorder tone is sent to the off-hook party before they are disconnected. No
operation is necessary.
1-89
Operations
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