Cisco ONS 15310-MA Troubleshooting Manual page 19

Chapter 2 Alarm Troubleshooting
Invisible laser radiation could be emitted from the end of the unterminated fiber cable or connector.
Warning
Do not stare into the beam directly with optical instruments. Viewing the laser output with certain
optical instruments (for example, eye loupes, magnifiers, and microscopes) within a distance of
100 mm could pose an eye hazard. Statement 1056
Use of controls, adjustments, or performing procedures other than those specified could result in
Warning
hazardous radiation exposure. Statement 1057
Class 1 laser product. Statement 1008
Warning
Warning Before working on equipment that is connected to power lines, remove jewelry (including rings,
necklaces, and watches). Metal objects will heat up when connected to power and ground and can
cause serious burns or weld the metal object to the terminals. Statement 43
Hazardous voltage or energy could be present when the system is operating. Use caution when removing
Caution
or installing cards.
2.7 Alarm Procedures
This section list alarms alphabetically and includes some conditions commonly encountered when
troubleshooting alarms. The severity, description, and troubleshooting procedure accompany each alarm
and condition.
When you check the status of alarms for cards and ports, ensure that the alarm filter tool in the lower
Note
right corner of the GUI is not indented. When you are done checking for alarms, click the alarm filter
tool again to turn filtering back on. For more information about alarm filtering, refer to the "Manage
Alarms" chapter in the Cisco ONS15310-MA SDH Procedure Guide.
When checking alarms, ensure that alarm suppression is not enabled on the card or port. For more
Note
information about alarm suppression, refer to the "Manage Alarms" chapter in the Cisco ONS15310-MA
SDH Procedure Guide.
2.7.1 AIS
The Alarm Indication Signal (AIS) condition indicates that this node is detecting an alarm indication
signal in the incoming signal SDH overhead.
78-18663-01
Default Severity: Not Reported (NR), Non-Service-Affecting (NSA)
Logical Objects: BITS, E1, DS3, FUDC
Cisco ONS 15310-MA SDH Troubleshooting Guide, Release 9.0
Alarm Procedures
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