USB Ports = 2 / Serial Ports = 16 / 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 / Connection Type B = USB-A Socket / Mounting Type = Rack Mount / Baud Rate Kbps = 921.6 / Operating Temperature Min. °C = -40 / Operating Temperature Max. °C = 85 / Operating Voltage Min. - AC V = 100 / Operating Voltage Max. - AC V = 240 / Width mm = 430 / Depth mm = 120 / Height mm = 45