8
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
Ca b le 2
Ca b le 3
C a b le 4
Ca 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
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.
The table below shows how LLR function is working:
Media Converter
LLR
Auto-Negotiation
A ON
OFF
B OFF
OFF
Fib e r
C o p p e r
TX RX
Gig a b it Switc h
LINK 4
LINK 1
Ca b le 1
Ca b le 2
Me d ia
Co nve rte r B
Fib e r
C o p p e r
TX RX
Gig a b it Switc h
LINK 2
LINK 3
Ca b le 3
Ca b le 4
Me d ia
Co nve rte r A
C o p p e r
C o p p e r