Ethernet interface for use with Micros/Oracle POS receipt printers. Most common models are TM-U220B model M188B AND TM-T88 series printers: TM-T88II model M129B, TM-T8III model M129C, TM-T88IV model M129H, and TM-T88V model M244A. Please note this model has 4 dip switches on the card.