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3-102 Features
P 3 Features
Power Failure Transfer
Description If a power failure occurs, or the system is off-line, specific
extension telephones are automatically connected to specific
outside (CO) lines. This provides an outside (CO) line call between
the following extensions and outside (CO) lines.
Outside (CO) line 1 is connected to extension jack number 01.
Outside (CO) line 4 is connected to extension jack number 09.
A single line telephone can work during a power failure. Connect a
single line telephone to the above extension jack.
Conditions • All other conversations, except the above combinations, are
disconnected during a power failure.
• Only an outside (CO) line can have a conversation. All other features do
not work.
Connection References
Section 2, Installation
2.3.3 Outside (CO) Line Connection
2.3.4 Extension Connection
2.5 Auxiliary Connection for Power Failure Transfer
Programming References
No programming required.
Feature References None
Operation Reference Telephone Features
— User Manual Power Failure Transfer