Printronix MVP Series User Manual page 183

Option 70 — Serial Interface/ Protocol Selection
Two fundamental protocols, basic RS–232 and current loop are available for
transferring data across the interface. Three character–oriented protocols can
be used in combination with the fundamental protocols: XON/XOFF,
ACK/NAK, and ETX/ACK.
Option
Number
.0
.1
.2
.3
.4
.5
.6
.7
.8
Interfaces
Display Configuration
Description
RS–232–Basic (default)
70.0
RS–232 with XON/XOFF Protocol
70.1
RS–232 with ETX/ACK Protocol
70.2
RS–232 with ACK/NAK Protocol
70.3
Current loop – busy open loop
70.4
Current loop – busy closed loop
70.5
Current loop with XON/XOFF Protocol
70.6
Current loop with ETX/ACK Protocol
70.7
Current loop with ACK/NAK Protocol
70.8
8–15