Communications Reference

C

 

 

Printer Serial Port

The rear panel of the printer contains the serial port connector. It is a 25-pin

D-style subminiature receptacle. The port is wired as a data terminal equipment (DTE) device. Refer to the following figure for pin names on the serial port:

DTR

25 24 23 22 21 20 19 18 17 16 15 14

13 12 11 10 9 8 7 6 5 4 3 2 1

PS

SG

CTS RTS RD TD

GND

3XXXU.063

C-11

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Image 125
IBM EasyCoder 3400e user manual Printer Serial Port