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
Co p p e r
TX RX
Fib e r
Co p p e r
TX RX
RXTX
RX TX
Gig a b it Switc h
Gig a b it Switc h
LINK 1
LINK 2
LINK 3
LINK 4
Ca b le 1
Ca b le 2
Ca b le 3
Ca b le 4
Ca b le 5
Me d ia
Co nverte r A
Me d ia
Co nverte 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
8
