Panasonic UF-6300 Service Manual page 64
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Also See for UF-6300:
- Operating instructions manual (166 pages) ,
- Operating instructions manual (100 pages) ,
- Operating instructions manual (166 pages)
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CN18
SC PCB
Signal
Pin No.
Name
CN18-1
L2 (T)
CN18-3
L1 (R)
CN19
SC PCB
Signal
Pin No.
Name
CN19-1
+5VP
CN19-2
GND
CN19-3
pCMLD
CN19-4
pCTON
CN19-5
pHKOF
CN19-6
GND
CN19-7
+24V
CN52
SC PCB
Signal
Pin No.
Name
CN52-1
TH1
Destination
MJR3 PCB
CN301-1
MJR3 PCB
CN301-3
Destination
MJR3 PCB
CN302-1
MJR3 PCB
CN302-2
MJR3 PCB
+5V(H)
CN302-3
MJR3 PCB
above +3V(H) Ring Detected
CN302-4
0V
MJR3 PCB
+5V(H)
CN302-5
MJR3 PCB
CN302-6
MJR3 PCB
CN302-7
Destination
Thermistor
Assembly
Signal Waveform
Signal Waveform
+5V
0V
0V(L)
0V(L)
0V
+24V
Signal Waveform
5V
0V
64
Function
Line Signal
Line Signal
Function
+5 VDC Power Supply
Ground
Line Switching Relay Drive
Signal
H : CML On
L : CML Off
Ring Detection Signal
H : Ring Detected
L : Ring Not Detected
External Phone Off-Hook
Detection Signal
(Phone Line must be
connected)
H : Off Hook
L : On Hook
Ground
+24 VDC Power Supply
Function
Thermistor Output Signal
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