3
Features
P
ower Failure Transfer
Description
Conditions
Connection References
Programming References
Feature References
Operation References
If a power failure should happen, or during a system-off-line state,
a specific extension telephone instrument is automatically
connected to a specific outside line. This provides outside line
conversation between the following extension and outside line:
CO 1 is connected to extension jack number 1
A standard telephone can work in case of a power failure. Connect
a standard telephone to the above extension jack.
• All other conversations except for the above combinations are
disconnected during a power failure.
• Only the outside line conversations can operate. All other features do
not work.
Section 2, Installation
2.3.2 Outside Line Connection
2.3.3 Extension Connection
2.5
Auxiliary Connection for Power Failure Transfer
No programming required.
Section 3, Features
Power Failure Restart
Not applicable.
P
Features
3-123