EasyCoder 4420/4440 Bar Code Label Printer User’s Manual
C-8
Host Requirements
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.
Communications Boundaries
The information below applies to all protocols that the printer supports.
Parameter Maximum Capacity
Message delay 9999 milliseconds
Character delay 9999 milliseconds
Message block size 255 characters (including STX and ETX characters)
Unlimited block size for XON/XOFF
Device address number
(Multi-Drop only)
A to Z, 0 to 5
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