Uip Com2/Lpt1 Interface; Digital Input Signals; Digital Output Signals - Bayer HealthCare RapidPoint 400 Series Service Manual

UIP COM2/LPT1 Interface

Digital Input Signals

Input Signal
COM2RX
COM2CTS
COM2DSR
COM2DCD
COM2RI
LPT1ERROR
LPT1PE
LPT1BUSY
LPT1ACK
LPT1SLCT

Digital Output Signals

Output Signal
COM2TX
COM2RTS
COM2DTR-
LPT1DB<0..7>
LPT1STB
LPT1INIT
Rev. C
Description
Transmit signal for the serial port to the UIP Processor board
from the Main board.
Clear to send signal for the LIS serial port to the UIP
Processor board from the Main board.
Data set ready signal for the LIS serial port to the UIP
Processor board from the Main board.
Data carrier detect signal for the LIS serial port to the UIP
Processor board from the Main board.
Ring indicator signal LIS serial port to the UIP processor from
the Main board.
Printer error. Possible error sources are print head
temperature out of range, print head voltage out of range,
print head in the up position, or printer out of paper.
Printer is out of paper.
Printer is currently busy and cannot accept any new data at
this time.
Signal that is asserted when LPT1BUSY is becoming de-
asserted.
Printer is online.
Description
Transmit signal LIS serial port from the UIP Processor board
to the Main board.
Ready to send signal for the LIS serial port from the UIP
Processor board to the Main board.
Data terminal ready signal for the LIS serial port from the UIP
Processor board to the Main board.
Centronics-type parallel port.
Valid data on LPT1DB<0..7>.
Initializes printer control circuitry.
Electronic System Overview 95