User`s guide

9
Link Pass Through Function
(LLCF) Link Loss Carry Forward
When a device connected to the converter and the CX4
XAUI lost the link connection, 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 lost the link, the converter’s CX4 XAUI
will be disconnected, and the other end will know that
there is linkage problem exist.
The LLCF setting is always Enable on this converter.
The table below shows how LLCF function is working:
Link Status
Disconnect
Link 1 Link 2 Link 3 Link 4 Link 5 Link 6
Cable 1 Off On On On On Off
Cable 2 Off Off On Off On Off
Cable 3 Off On Off On Off Off
Cable 4 Off On On On On Off
Cable 5 Off On Off Off On Off
DMC-805X #2
Link4
CX4
Link5
SFP+
DMC-805X #1
Link2
SFP+
Link3
CX4
RX TX
Link1
10GbE Switch
RX TX
Link6
10GbE Switch
cable2 cable1 cable4 cable3
cable5
TX RX TX RX