POWER FAILURE TRANSFER (PFT)
Description
Provides service to and from the CO for a limited number of prearranged
available during | this | time. | |||
The | system | supports | up | to four Emergency Transfer Units (ETUs). Each ETU can provide | |
up | to five | voice | terminals | with direct connection to CO trunks. |
When the system connects to dial pulse trunks, only rotary sets may be used to support Power Failure Transfer (PFT). When the system interfaces the CO via
When power is restored, the following will be restored to their previous state:
1.Night Service mode (on or off).
2.
3. PDCs logged in at a ’’home station” or an ’’away station’’ remain logged in there.
4.If a voice terminal has been removed/not removed from a DGC group, the terminal will remain in that state.
5.
6.All system/station features programmed through system administration.
Considerations
Power Failure Transfer provides emergency incoming and outgoing telecommunications service to a number of predesignated
Interactions
None
Administration Requirements
None
Hardware Requirements
The 10B Emergency Transfer Unit (ETU) in Figure