Alcatel-Lucent 1830 PSS-16 Maintenance And Trouble-Clearing User Manual page 418

Trouble-clearing procedures
LOS-O
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Corrective Action
A cold reset, reseat, or replacement of a card is service impacting if the card is currently
carrying services. To determine if any services are currently carried over a card, perform
the procedure
If there are services currently carried over the card, it may be best to wait for a
maintenance window before resetting, replacing, or reseating the card.
This procedure details the corrective action for a LOS-O against the OSC port. At the end
of each step wait to see if the fault clears. If it does not, go to the next step.
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1 Query for the OSC receive power on the port where the LOS-O condition is present.
CLI
WEBUI
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2 Ensure that the adjacent node is provisioned for OC3 format of the OSC signal. Also
verify that the fiber is the correct type (multi-mode / single mode) and that the other end
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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4 If...
no active traffic is present on the system
the optical power is below the required
threshold for the type of pluggable module
installed
the optical power is within the required limits
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2-168
NOTICE
Service-disruption hazard
"Reseating a Card" (p.
show interface <shelf slot port>
From the Equipment Tree, select the card, and select the desired
port.
3-19).
Then...
remove the fiber from the receive port where
the LOS-O is raised and measure the optical
power.
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-O condition is still present, the problem
may be with the card.
LOS-O (Incoming SUPVY LOS)
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011