IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV IEC 61000-4-5 Surge: Power: 1 kV; Signal: 0.25 kV IEC 61000-4-6 CS:

4 RS-232/422/485 ports, 5 10/100M Ethernet ports, 2KV Isolation Protection, 12-48 VDC, 0 to 60°C

4 RS-232/422/485 ports, 5 10/100M Ethernet ports, 2KV Isolation Protection, 12-48 VDC, -40 to 75°C

4 port device server, RS-232/422/485, 3 port 10/100 Ethernet, 2 port 100M Single mode Fiber, SC connector, 12-48 VDC

4 port device server, RS-232/422/485, 3 port 10/100 Ethernet, 2 port 100M Single mode Fiber, SC connector, 12-48 VDC, -40~75℃

4 port device server, RS-232/422/485, 3 port 10/100 Ethernet, 2 port 100M Multi mode Fiber, SC connector, 12-48 VDC

4 port device server, RS-232/422/485, 3 port 10/100 Ethernet, 2 port 100M Multi mode Fiber, SC connector, 12-48 VDC, -40~75℃