Intermec EasyCoder PM4i User Manual page 160

Appendix C — Interfaces
144
Double Serial Interface Board
Serial/Industrial Interface Board
IEEE 1284 Parallel Interface Board
EasyCoder PM4i Printer User's Guide (Fingerprint Version)
"uart3:"
RS-232
RS-422 non isolated,
or 20 mA current loop
"uart2:"
RS-232
RS-422 non isolated,
RA-422 isolated,
or RS-485
Industrial interface
8 digital In ports
8 digital Out ports
4 relay ports
"uart2:"
RS-232
RS-422 non isolated,
RA-422 isolated,
or RS-485
"centronics:"