1.7 Useful Features
Operations 1-89
Advanced Operations
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.
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”.
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PSQX1709ZA-06.QX 99.10.15 9:59 AM Page 89
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