Epson C823361 UB-S01 Serial RS-232 Interface Card / 1K Buffer/DB25 Pin connector, For use with all Epson TM-U Series Printers, TM-H5/6, TM-L, TM-T88II/III/IV/V, TM-T90, and TM-J7 series printers. (All TM-Series Printers). UB-S01
How To Solidar The Serial/rs232 Cable Db9 For Epson Tm U295? What Is Color Code | Epson TM U295 Support