Corrective Action
This procedure details the corrective action for a LOS against the SIG port.
At the end of each step wait to see if the fault clears. If not, continue with the next step.
...................................................................................................................................................................................................
1
Query the receive power on the port where the LOS condition is present.
CLI show interface
<shelf slot port>
WEBUI From the Equipment Tree, select the card, and select the desired port.
...................................................................................................................................................................................................
2
Verify that the fiber is the correct type (multi-mode / single mode) and that the other end
of the fiber is connected properly.
...................................................................................................................................................................................................
3
Ensure that the administrative state of the port is Admin Up. If it is Up, then toggle the
administrative state from UP-->DOWN-->UP.
...................................................................................................................................................................................................
4
Remove the fiber from the port where the LOS is raised and measure the optical power.
If... Then...
the optical power is below the threshold of
-3.0 dBm
using the standard optical fiber jumper
cleaning procedure, clean the fiber, and
measure the power again.
the optical power is within the required limits clean the receive connector on the card. If the
LOS condition is still present, the problem
may be with the card.
...................................................................................................................................................................................................
5
Perform a warm reset of the card exhibiting the Loss of Signal.
CLI config card card type shelf slot reset warm
WEBUI Select the card, click the Reboot tab, select Warm Reboot >Submit.
...................................................................................................................................................................................................
6
Perform a cold reset of the card exhibiting the Loss of Signal.
CLI config card card_type shelf slot reset cold
WEBUI Select the card, click the Reboot tab, select Cold Reboot >Submit.
Trouble-clearing procedures
LOSLDSIG
LOSLDSIG (LD SIG Input LOS)
....................................................................................................................................................................................................................................
....................................................................................................................................................................................................................................
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
2-165
To Next Page
Loading...
