Panasonic UF-890 Service Manual page 63
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Also See for UF-890:
- User manual (174 pages) ,
- Operating instructions manual (171 pages) ,
- Service handbook (94 pages)
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CN2
Pin No. Signal Name
CN2-1
SPKOT
CN2-2
GND
CN3
Pin No. Signal Name
CN3-1
nETSW
CN3-2
+5VP
CN3-3
GND
CN3-4
+24V
CN3-5
pCMLD
CN3-6
pPLSD
CN3-7
nTSTSW/
RMCK
CN3-8
nHSDT/
RMCS
Destination
Speaker
Speaker
Destination
LCU PCB
CN25-1
LCU PCB
CN25-2
LCU PCB
CN25-3
LCU PCB
CN25-4
LCU PCB
+5V (H)
CN25-5
LCU PCB
+5V (H)
CN25-6
LCU PCB
CN25-7
LCU PCB
CN25-8
Off Hook
Signal Waveform
1V
(Max)
-1V
(Max)
0V
Signal Waveform
+5V
0V
+24V
FAX Side
0V (L)
Telephone Side
Make
0V (L)
Break
On Hook
+5V (H)
0V (L)
63
Function
Line Signal, Key Tone, Ringer
Ground
Function
Not Used
+5 VDC Power Supply
Ground
+24 VDC Power Supply
Line Switching Relay Drive
Pulse Dial Relay Drive
Not Used
Handset Off-Hook Detection
Signal
- Quick Links:
- Fax Function
- Printer Function
- Control Panel
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