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.
The table below shows how LLCF function is working:
Fib e r
C o p p e r
TX RX
Fib e r
C o p p e r
TX RX
RX TX
RX TX
Gig a b it Switc h
Gig a b it Switc h
LINK 1
LINK 2
LINK 3
LINK 4
C a b le 1
C a b le 2
C a b le 3
C a b le 4
C a b le 5
Me d ia
C o nve rte r A
Me d ia
C o nve rte r B
Link Status
Disconnect
Link 1
Link 2
Link 3
Link 4
Cable 1
Off
On
On
On
Cable 2
Off
Off
Off
Off
Cable 3
On
On
On
Off
Cable 4
Off
Off
Off
Off
Cable 5
Off
Off
Off
Off
9
