Installation manual

FuelMaster
®
Installation Manual
35
as a replacement part. The fiber optic transceiver accepts only MT-RJ fiber optic connectors.
Options exist for wireless network communications, an option that could eliminate the need for a
communications conduit to the FMU, and minimize the surge potential otherwise present with a
cable or phone line communications connection.
When network communications are established to a master FMU, communications to satellite FMUs
continue to be through RS-422 communications cable.
Wireless RS-232/422 Communications: the Zlinx Radio Modem (B&B Electronics) has
been tested and proven to provide satisfactory 2.4GHz wireless communications between Master
and Satellite FMUs, between a Master FMU and tank monitor, or between a Master FMU and
transaction printer. The maximum range advertised by the manufacturer is 300 feet indoors and one
mile outdoors.
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