Ports = 4 / Serial Ports = 4 / Serial Connection Type = RS232 / Connection Type A = DB9 Male / Connection Type B = PCIe / Interface Type = RS232 / Baud Rate Kbps = 921.6 / Operating Voltage Min. - DC V = 3.3 / Operating Voltage Max. - DC V = 3.3 / Depth mm = 89 / Height mm = 60 / Operating Temperature Min. °C = 0 / Operating Temperature Max. °C = 55