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Gigabit Fiber to Fiber Media Converter Module – Installation Guide
6
Link Mode (Switch 2)
Switch Position
Mode
Up (default) Smart Link Pass-Through Mode
Down Standard Mode
Smart Link Pass-Through: In this mode, the link state on one
connection is directly reflected through the Media Converter to the
other connection. If link is lost on one of the connections, then the
other link will be brought down.
Standard Mode: In this mode the links can be brought up and
down independently of each other. A loss of link on either fiber
connection can occur without affecting the other connection.
Fiber Fault Alert (Switch 3)
Switch Position
Mode
Up (default) Enabled
Down Disabled
Enabled: If the media converter module detects a loss of fiber
signal on the fiber receiver, the media module will immediately
disable its fiber transmitter signal on this port. This, in effect,
notifies the fiber link partner that an error condition exists on the
fiber connection.
If the remote media converter module is set up for Fiber Fault
Alert(FFA) Enabled and the local media converter is set up with
Smart Link Pass-Through, a loss of fiber link on either the transmit
or receive line will be passed through to the other fiber connection.
Disabled: The media converter module will not monitor for fiber
fault.
Note: This feature is not required; if Fiber negotiation has been
enabled since link negotiation accomplishes the same thing. When
Fiber Negotiation is enabled this switch is ignored.