Alcatel-Lucent 1830 PSS-16 Maintenance And Trouble-Clearing User Manual page 372

Trouble-clearing procedures
LANLOS
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OT port has detected LOS on Ethernet LAN or Fibre Channel facility. This defect
indicates loss of optical power at the input of the local LAN port.
These conditions may be caused by the following reasons:
• Damaged, cut or dirty fiber connected to the local receiver
• Received power may not be within the acceptable range on local port input
• Damaged or dirty transmitter inside pluggable module
Severity
Service affecting?
Applicability
Corrective Action
This procedure details the corrective action for clearing a LANLOS condition on an OT
port.
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1 Examine fiber and connector to the local port input.
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Clean the fiber.
2
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3 If fiber is damaged or cleaning the fiber does not clear the problem, replace the fiber.
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If there is a pluggable module alarm present on the local port follow procedure for
4
detected alarm.
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5 Replace the pluggable module.
E
N D O F
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LANLSS
LANLSS (Loss of Synchronization)
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2-122
Critical
Yes
112SA1L, 112SCA1, 112SCX10, 112SX10L, 11DPE12,
11DPE12E, 11QPA4, 11STAR1, 11STMM10, 11STGE12,
43SCX4, 43STX4
S T E P S
LANLOS (LAN port LOS)
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011