Panasonic KX-NS Series Technical Training Manual page 11

主機可利用並接方式把類比外線連接到 PFT 埠. 當系統完全停電時,外線第
一和二線會跳接到內建單機埠的第一和第二埠響鈴.
CO 1-2
CO1 for example
5. PFT (停電跳接)
SLT
Parallel
PSTN
PFT 1
1-2 TA
PFT 1-2
This is connected
automatically during
power failure.
2 3 4 5 6
RA
SLT 1-2
7 8
TB RB
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