The GV-NET Card is a RS-485 / RS-232 interface converter that can be installed inside a PC. It also supports connection via USB port.

Specifications

Interface :     RJ-11 to DB9 (RS-232)

                    RJ-11 to USB:
                    3-pin internal USB to internal USB

                    RS-485+ / RS-485-

Communication: RS-485 1,200~115,200 bps; USB

Environmental Conditions: 0~50°C , 5%~95% (non-condensing)

Dimensions : 97 (W) x 90 (H) mm