IMC Networks iMcV-Giga-FiberLinX-II - Manual (Page 50)

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FX LinkLoss
Normally when a fault occurs on the fiber segment of an iMcV-Giga-FiberLinX-II
conversion, only the fiber port LEDs on the modules indicates a fault. None of the
devices connected to the RJ-45 ports are aware of the fault.
When FX LinkLoss is enabled on the iMcV-Giga-FiberLinX-II module, the fiber
fault is forwarded to that module’s RJ-45 connection. This turns off the link on the
RJ-45 port which can then be detected by the connected device.