Device Port Devices Manufacturer Advantech Model No. ESU2-100 Interface/port(s) USB Type B - usb 2.0 Port(s) RS-232 (DB9) RS-232 (DB9) RS-232 (DB9) RS-232 (DB9) RS-232 (DB9) RS-232 (DB9) RS-232 (DB9) RS-232 (DB9) Drivers: Quatech QSU/DSU/ESU/SSU USB 2.0 to Serial Adapter Drivers 7.60 HWID(s) USB\VID_061D&PID_C180