Alcatel-Lucent 1830 PSS-16 Maintenance And Trouble-Clearing User Manual page 459

Trouble-clearing procedures
OCHCOLLISION
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Wavelength Tracker has detected more than one instance of the same channel at this port.
This is likely due to a fibering problem or equipment failure upstream from the alarmed
port.
Note: The alarmed port indicates the first occurrence of the collision along the path.
All downstream occurrences are flagged as conditions.
An OCHCOLLISION gets raised when a channel is present but the tones are
unexpected or, a channel is not present but there are more than 2 unexpected tones in
the upper or lower range for this channel.
Severity
Service affecting?
Applicability
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.
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 Verify whether the expected power for the channels at the port reporting the collision are
set.
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
Critical
Yes
AHPHG, AHPLG, ALPHG, A2325A, AM2017B, AM2125A,
AM2125B, AM2325B, CWR8, CWR8–88A, MESH4, OPS, WR
NOTICE
Service-disruption hazard
"Reseating a Card" (p.
Check if the expected power is set for the channel. Type:
config interface shelf/slot/port wavekey in | out
frequency detail
In the Equipment Tree, select the affect port. Click the
Wave Keys Out
3-19).
tab.
OCHCOLLISION (Channel collision)
Wave Keys In or
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