Link Pass Through Function - D-Link 1000BASE-TX User Manual

Link Pass Through Function

LLCF (Link Loss Carry Forward)
When a device connected to the converter and the TP line loss
the link, the converter's fiber will disconnect the link of
transmit, so that the other ends will know that there is a
linkage error on this end. And when the Fiber line loss the
link, the converter's TP will disconnected, and the other end
will know that there is linkage problem exist.
There is a default LLCF setting on this converter.
LLR (Link Loss Return)
When a device connected to the converter and the fiber line
loss the link, the converter's fiber will disconnect the link of
transmit.
There is a switch to enable or disable the function of the
media converter.
1 2
Switch
There is a two pin DIP switch on the module which define as
switch 1 and switch 2:
Switch 1: Fiber mode switch
When the switch was turned to "On", it means that the
Switch 1 : On -> Forced Mode
Off -> Auto Negotiation mode
Switch 2 : On -> LLR enable
Off -> LLR disable
1 2
6