Panasonic UF-490 Service Manual page 46

Glossary of Electrical Abbreviations
Signal Name
pPCHK1 Paper Detection Signal
Acknowledge Data Request / Paper Empty Condition
PE
(Peripheral→Host)
PLH +5V Pull Up
pSPKOT Monitor Signal
pTR0 Transfer Control Cleaning Output
PWSAVE Energy Saver Mode Transport Signal
R/W Data Read/Write Select Signal
RCV (-) Handset Receiver
RCV (+) Handset Receiver
RS Register Select Signal
Select Signal
SELECT
(Peripheral→Host)
SI Line Synchronizing Signal
T1 External Telephone Line Signal
T2 External Telephone Line Signal
TH1 Thermistor Output Signal
TH2 Thermistor Output Signal
TONER Remaining Toner Level Signal
TSENCNT Toner Sensor LED Control Signal
TSENCNT [GND] Ground
V5 +5 VDC Power Supply
VLED +24 VDC Power Supply
VDD +5 VDC Power Supply
VSS Ground
WAKUP Energy Saver Mode Enable
White (N) AC Power Supply
Description
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