Computer/Embedded Technology


Ethernet media converter for fibre-optic cables

2 July 2003 Computer/Embedded Technology

For demanding interference immunity in industrial applications, the FL MC media converters from Phoenix Contact adapt the Ethernet 10Base-T interface to fibre-optic cable.

The slim converters (22,5 mm thick) are simply snapped onto regular EN mounting rails and can be either standalone devices or be integrated into a modular hub system. Attached to an FL hub station, the power is supplied via the integrated backplane in the base of the housing. In a standalone configuration, power is supplied separately at 24 V d.c. via pluggable screw terminals. The media converters are provided with a link monitoring system which keeps a check on the availability of the cable link and online devices separately, according to TP and FOC ports.

Depending on the required optical range, there are two versions of unit: distances up to 50 m can be bridged with polymer fibres while for ranges up to 200 m it is best to use 200/230 mm HCS fibre, which is also easy to assemble. With F-SMA quick installation connectors from Phoenix Contact, fast and simple assembly of connectors in the field is possible. If larger distances are required or if an existing fibre-optic installation is to be used, a second version of the unit permits data communication up to 2500 m via multimode fibre optics. Termination conforms to the ST (B-FOC) standard.

For more information contact Rob MacKenzie, Phoenix Contact, 011 793 7121, [email protected]



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