Xerox 3270 Посібник програміста - Сторінка 32
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Appendix A
Appendix A: RS 232/V24 Cable
Connection
Using the serial port
The following connections are available in the serial plug:
pin 1
pin 2
pin 3
pin 4
pin 5
pin 6
pin 7
pin 8
pin 9
Example: Cable connections to HP LaserJet III:
converter
Cable type: DB9 male
pin 2: __________________________________ pin 2
pin 3: __________________________________ pin 3
pin 4:
_________________________________ pin 7
pin 5: _
pin 6: _
pin 7:
If the attached printer supports X_ON/X_OFF, you should use the
following protocol for the simplest setup.
You only require the following cable:
converter
Cable type: DB9 male
pin 2: __________________________________ pin 2
pin 3: __________________________________ pin 3
pin 5: __________________________________ pin 7
pin 6: ___
pin 7: ___
2
For further information, please refer to the technical reference manual for the printer used.
(serial support)
NC
RX data
TX data
DTR
GND (Signal)
DSR (Busy)
RTS (always high)
CTS
N.C.
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HP LaserJet III
Cable type: DB25 male
pin 20
Printer
2
Cable type: dB25 male