Kyocera KM-1820 Service Manual page 269

3JG
Connector Pin No.
YC3
A1
A2
Connected
A3
to the NCU
A4
PWB.
A5
A6
A7
A8
A9
A10
A11
A12
A13
A15
B1
B2
B3
B4
B5
B6
B10
B12
B13
2-2-4
Signal I/O
LINE1 I/O
LINE1 I/O
N.C. -
N.C. -
N.C. -
GND -
GND -
GND -
GND -
GND -
GND -
+5VDC O
+5VDC O
+5VDC O
LINE2 I/O
LINE2 I/O
N.C. -
N.C. -
N.C. -
TELSEL O
EARTH O
TELOFHKn I
DCCONT O
Voltage
- Line signal
- Line signal
- Not used
- Not used
- Not used
- Ground
- Ground
- Ground
- Ground
- Ground
- Ground
DC5V 5 V DC supply
5 V DC 5 V DC supply
5 V DC 5 V DC supply
- Line signal
- Line signal
- Not used
- Not used
- Not used
5 V DC TEL SEL signal
3.3 V DC Ground start control signal
3.3 V DC External line off-hook signal
3.3 V DC DC/DC converter control signal
Description