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TX LinkLoss
When a fault occurs on a twisted pair segment joining a device to an
iMcV-Giga-FiberLinX-II module, the link fault is not detected by the device connected
to the iMcV-Giga-FiberLinX-II module by fiber.
When TX LinkLoss is enabled on the remote iMcV-Giga-FiberLinX-II module, a twisted
pair fault turns off the fiber port transmitter. This allows the fiber-connected device to
detect a link fault. When the fiber uplink port is set to AN, the LED is OFF.