USB Ports = 1 / Serial Ports = 4 / Appliance Type = USB to Serial Converter / Interface Type A = USB 2.0 / Interface Type B = RS232 / Connection Type A = USB-B Socket / Connection Type B = DB9 Male / Mounting Type = Desktop / Baud Rate kbps = 921.6 / Operating Temperature Min. °C = 0 / Operating Temperature Max. °C = 55 / Operating Voltage Max. - DC V = 5 / Width mm = 150 / Depth mm = 66 / Height mm = 26