Alcatel-Lucent 1830 PSS-16 Maintenance And Trouble-Clearing User Manual page 428

Trouble-clearing procedures
MAN
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The MAN (card in maintenance) condition is raised on a card when the user has
purposefully placed the card into the maintenance state. Entities in maintenance still
provide service but don't report alarms. They monitor for faults and raise non-reported
conditions. The maintenance state provides access to service affecting commands like
port loop-backs.
The MAN (port in maintenance) condition is raised on a specific port on a card when the
user has purposefully placed the port into the maintenance state.
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2-178
MAN (Manually caused abnormal condition - card in
maintenance) / MAN (Manually caused abnormal condition -
Port in maintenance) / MAN (Logical removal performed on
8DG60888CAAA Release 3.6.0 and 3.6.1
a timing reference)
1830 PSS-36/PSS–32/PSS-16/PSS-4
Issue 1 June 2011