±48 VDC, 20 to 72 VDC, -20 to -72 VDC

8 ports RS-232/422/485 secure device server, 48VDC

8 Port Ethernet Secire Terminal Server, 10/100M Ethernet, 3 in 1, RJ-45 8pin, 88-300 VDC, -40 to 85°C

32 Port Ethernet Secire Terminal Server, 10/100M Ethernet, 3 in 1, RJ-45 8pin, 88-300 VDC, -40 to 85°C

32 ports RS-232/422/485 secure device server, 48VDC

16 Port Ethernet Secire Terminal Server, 10/100M Ethernet, 3 in 1, RJ-45 8pin, 88-300 VDC, -40 to 85°C

16 ports RS-232/422/485 secure device server, 48VDC