Oki® 300, 400, 500 Series RS-232 Serial Interface Board

Oki 300, 400, 500 series RS-232 serial interface board lets multiple users share a printer at a speedy 19.2 kbs. Compatible with ML320/321/390/391/420/421/490/491/520/521/590/591 series printers. Supports Ready/Busy/X-On/X-Off protocols. Can be configured through the Menu or OKISMART Utility Program. OEM/Compatible: OEM.
Unit of Measure : Each