Ethernet fiber switches provide noise immunity, extra ports

Contemporary Controls’ family of configurable Ethernet switches can be DIN-rail or panel mounted.

Contemporary Controls ’ family of configurable Ethernet switches is now complete with fiber versions that double the number of ports. The growing need for fiber underscores the demand for noise-free signal transmission.

The EISC12-100T/FT has ten twisted-pair wired ports, and two multimode fiber (1,300 nm) ports with ST connectors. The EISC12-100/FC is identical except it has SC connectors. The EISC12-100T/FCS also uses SC connectors but with single-mode (1,300 nm) ports.

They are said to have advanced features typically only available in high-end switches: Port VLAN, trunking, QoS (Quality of Service) and programmable fault relay, configured via a console port connected to a Microsoft Windows-based configuration program included with each product. Fiberoptic cable systems extend connections and reduce signal errors by providing longer distances (up to 15 km with the single-mode version) and immunity to radio signals and electrical noise.

The units can operate over a wide-range, low-voltage ac or dc power source. Redundant power connections are available for backup power schemes.

Price of the EISC12-100T/FT is $1,095, the EISC12-100T/FC is $1,095 and the EISC12-100T/FCS is $1,495.

Contemporary Controls is based in Downers Grove, IL.

—Edited by Mark Hoske, Editor-in-Chief, Control Engineering, MHoske@cfemedia.com

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