1 port device server, 10/100M, RS-232, DB9 male, 0.5KV serial surge, 12~48VDC
1-port RS-232 device server, surge protection, -40 to 75°C operating temperature
1-port RS-422/485 device server, -40 to 75°C operating temperature
1-port RS-232/422/485 device server, -40 to 75°C operating temperature