Allied Telesis AT-LX3800U - Manual (Page 25)

AT-LX3800U Multi-Service Transport System Installation and Maintenance Guide
25
The operation of the line side TX and RX LEDs is affected by the status of
the Missing Link feature in the AT-S65 management software. Table 4
describes the line side TX and RX LEDs.
Disabled TX: Solid green
RX: Solid green The SFP port has established a
link with its end node.
TX: Solid green
RX: Off The SFP port is transmitting
packets or a link signal but has not
established a link to its local end
node.
TX: Off
RX: Solid green The port was manually shut down
using the AT-S65 management
software, but is still receiving
packets or a link signal from its
local end node.
TX: Off
RX: Off No SFP is installed.
Or, the port was manually shut
down using the AT-S65
management software and the
end node connected to the port
was powered off.
Or, the cable to the SFP port was
disconnected.
Table 4. Line Side TX and RX LEDs
Missing Link
State
TX and RX
State
Description
Enabled TX: Solid green
RX: Solid green The line port has established a link
with its corresponding end node
connected to the remote system.
TX: Off
RX: Off The line port is not receiving or
sending packets.
Or, the port was manually shut
down using the AT-S65
management software while the
port was not receiving packets or a
signal.
Table 3. Tributary Side TX and RX LEDs (Continued)
Missing Link
State
TX and RX
State
Description