Alcatel-Lucent 1830 PSS-16 - Page 372

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 Critical
Service affecting? Yes
Applicability 112SA1L, 112SCA1, 112SCX10, 112SX10L, 11DPE12,
11DPE12E, 11QPA4, 11STAR1, 11STMM10, 11STGE12,
43SCX4, 43STX4
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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2
Clean the fiber.
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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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4
If there is a pluggable module alarm present on the local port follow procedure for
detected alarm.
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5
Replace the pluggable module.
LANLSS
LANLSS (Loss of Synchronization)
Trouble-clearing procedures
LANLOS
LANLOS (LAN port LOS)
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2-122
1830 PSS-36/PSS–32/PSS-16/PSS-4
8DG60888CAAA Release 3.6.0 and 3.6.1
Issue 1 June 2011
E ND OF STEPS
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