Ethernet Remote Master Module, master Ethernet remote I/O on a 10Base-T network at 10 Megabaud, cable not included. Can be installed in a local base, with a D4-430, D4-440 or D4-450 in the CPU location, or in a local expansion base (D4-450 based system only). Ethernet cable connects to H2/4-EBCs directly or via Ethernet hub(s).

Manufacturer Part Number: H4-ERM