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53
UF-580/590/780/790
DX-600/800
DEC 2003
Ver 2.00
CN18
CN52
SC PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN18-1
L2 (T)
MJR PCB
CN28-1
Line Transformer Input
Signal
CN18-3
L1 (R)
MJR PCB
CN28-3
Ground
CN18-6
+24V
MJR PCB
CN29-1
+24 VDC Power Supply
CN18-7
+5VP
MJR PCB
CN29-2
+5 VDC Power Supply
CN18-8
GND
MJR PCB
CN29-3
Ground
CN18-9
pCMLD
MJR PCB
CN29-4
Line Switching Relay Drive
Signal
H : CML On
L : CML Off
CN18-10
pCTON
MJR PCB
CN29-5
Ring Detection Signal
H : Ring Detected
L : Ring Not Detected
CN18-11
pHKOF
MJR PCB
CN29-6
External Phone Off-Hook
Detection Signal
(Phone Line must be
connected)
H : Off Hook
L : On Hook
SC PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN52-1
TH1
Thermistor
Assembly
Thermistor Output Signal
CN52-2
TH2
Thermistor
Assembly
Thermistor Output Signal
0V
+24V
+5V
0V
+5V(H)
0V(L)
above +3V(H) Ring Detected
0V
+5V(H)
0V(L)
5V
0V
5V
0V
Содержание Panafax UF-580
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