Host Requirements; Communications Boundaries; Communications Interfaces - Intermec EasyCoder 4420 User Manual

Appendix C — Communications Reference

Host Requirements

Communications Boundaries

Communications Interfaces

98
Protocols Affected by Redefining Characters (continued)
Character
XON OUT
XOFF OUT
PROTO-CMD 1
PROTO-CMD 2
TIMEOUT ON EOM
The 4420 and 4440 printers have the following hardware and software
requirements:
• The host computer must use the American Standard Code for
Information Exchange (ASCII) for data communications.
• A serial port or a parallel port must be available on the host if you are
connecting directly to the printer.
• The host must support at least one of the following data
communications interfaces: RS-232, RS-422, RS-485 (115K), or IEEE
compliant 1284 bi-directional parallel.
For information on configuring the host computer, port concentrator, or
network controller, see the reference manual for the controlling device.
The information below applies to all protocols that the printer supports.
Maximum Capacity Communications Boundaries
Parameter
Message delay
Character delay
Message block size
Device address number
(Multi-Drop only)
The 4420 and 4440 printers come standard with both a serial port and a
bi-directional parallel port.
EasyCoder 4420 and 4440 Bar Code Label Printer User's Manual
STD POL Mode D
X
X
X
X
Maximum Capacity
9999 milliseconds
9999 milliseconds
255 characters (including STX and ETX characters)
Unlimited block size for XON/XOFF
A to Z, 0 to 5
Multi-Drop XON/XOFF
X
X X
X
X
X