Alcatel-Lucent 1830 PSS-16 Maintenance And Trouble-Clearing User Manual page 415

Trouble-clearing procedures
LOSLDSIG
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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.
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1 Query the receive power on the port where the LOS condition is present.
CLI
WEBUI
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Verify that the fiber is the correct type (multi-mode / single mode) and that the other end
2
of the fiber is connected properly.
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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.
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Remove the fiber from the port where the LOS is raised and measure the optical power.
4
If...
the optical power is below the threshold of
-3.0 dBm
the optical power is within the required limits
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Perform a warm reset of the card exhibiting the Loss of Signal.
5
CLI
WEBUI
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Perform a cold reset of the card exhibiting the Loss of Signal.
6
CLI
WEBUI
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1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
show interface <shelf slot port>
From the Equipment Tree, select the card, and select the desired port.
card type shelf slot
config card
Select the card, click the
config card
Select the card, click the
Then...
using the standard optical fiber jumper
cleaning procedure, clean the fiber, and
measure the power again.
clean the receive connector on the card. If the
LOS condition is still present, the problem
may be with the card.
reset warm
Reboot tab, select Warm Reboot
card_type shelf slot
reset cold
Reboot tab, select
LOSLDSIG (LD SIG Input LOS)
> Submit .
Cold Reboot > Submit .
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