Panasonic KX-TD500 System Reference Manual page 1537

G. Other Features
1.00 PFT command (Power
Failure Transfer)
Description
Provides up to 144 extension/CO line pairs to
maintain a conversation when power is restored
or TSW recovery.
If this is not programmed then power restoration
or TSW recovery drops any existing conversa-
tions.
Command Format
PRG > PFT + AT+ (Index)
Index = PFT No. (01 ~ 18)
Screen display
; PRG > PFT SH01 <CR>
; PFT No. 01
; 1 : Trunk Slot No. ------------------------------------ 101
; 2 : Extension Slot No. ------------------------------ 107
; PFT No. 02
; 1 : Trunk Slot No. ------------------------------------ 102
; 2 : Extension Slot No. ------------------------------ 108
;
;
;
; PFT No. 18
; 1 : Trunk Slot No. ------------------------------------ 206
; 2 : Extension Slot No. ------------------------------ 212
; PRG >
Item Data
1 101~314
2 101~314
Refer to Section 11-C-40.00 "Power Failure
Transfer (PFT)", for further information about
programming.
Assign LCOT, GCOT, PCOT or RCOT card No. which are
available for power failure transfer
Assign HLC, SLC, DHLC, ESLC or MSLC card No. which are
available for power failure transfer
16-G-1
Explanation