USB A (RS232) to DB25 male adapter cable Support Windows 98/XP/Vista/2000/7/8/10 and Mac OS.
Fast Data Transfer: The DB25 Converter supports data transfer speed up to 12Mbps fully compliant with USB 1.1 / 2.0. It is a Standard Serial DB25 cable
DB25 male pinout: 2-TXD 3-RXD 4-RTS 5-CTS 6-DSR 7-GND 8-DCD 20-DTR 22-RI as standard.
Length: 150cm/5ft;
Chip: CP2102. NoteFor using with printer please install your printer driver well firstly.