Printer/Fax/Scanner/Copier manual KX-FT21RS

9.2. SCHEMATIC DIAGRAM (ANALOG CIRCUIT)
FAX RX, TEL TALK
2V
FAX RX, HANDSET TX
NO PAPER: 5V
PAPER: 0V
FAX TX
FAX RX
12V
2V
2.1V
0V
3.3V
LINE ON/OFF, DIALPULSE
BELL DETECT
5V
0V
KX-FT21RS
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