Perle Systems S-4GPT-DSFP Cable Box User Manual


 
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and reflects this on the TX port of the other SFP by turning off the
transmitter. When the signal (Link) gets restored and Signal
Detector becomes active the affected transmitter gets re-enabled.
Standard Mode: In Standard Mode the media converter will
monitor the fiber link in the same manner. If Signal Detect goes
down the media converter will output a 25MHz signal on the TX
port of the other SFP.
Fiber Fault Alert (Switch 2)
Switch Position Mode
Up (default) Enabled
Down Disabled
Enabled: If the media converter detects a loss of fiber signal on its
fiber receiver, it will disable its fiber transmitter on the same SFP.
This, in effect, notifies the fiber link partner that an error condition
exists on the fiber connection.
Disabled: The Protocol Transparent Media Converter will not
monitor for Fiber Fault.
Rate Select (Switch 3)
Switch Position
Mode
Up (default) High Speed
Down Low Speed
High Speed – When a multi-rated SFP is inserted, it is enabled for
its higher speed of operation.
Slow Speed – When a multi-rated SFP is inserted, it is enabled
for its slower speed of operation.