Panasonic KX-F900 Service Manual page 168

(3) Ringing
Ringing
TALK LED Flashing
Portable
Handset
(STANDBY MODE)
Base
Unit
Ring
lJ
Ring
Ring
J
Ring signal
IN USE LED Flashing
After detecting the Ring signal from circuit, Base Unit sends a ring signal DATA (Ring), then the Portable
Handset starts ringing.
(4) Ports for transmitting and receiving of data
Portable Handset : transmitting ... 54 Pin receiving ... 50 Pin
Base Unit'
transmitting ... 48 Pin receiving ... 58 Pin
(5) Waveform of DATA used for cordless transmission and reception
The DATA which is transmitted from the Portable Handset to the Base Unit is combination of DATA 0, DATA 1,
DATA Delimt, Pre data and End data.
The DATA which is transmitted from the Base Unit to the Portable Handset is combination of DATA 0, DATA 1,
DATA Delimt, Pre data and End data.
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