Service Effect; States; Safety Summary - Cisco ONS 15600 SDH Troubleshooting Manual

2.5.5 Service Effect

1. This condition is not used in this platform in this release.
2.5.5 Service Effect
Service-Affecting (SA) alarms—those that interrupt service—might be Critical (CR) or Major (MJ)
severity alarms. Service-Affecting (SA) alarms indicate service is affected.
Non-Service-Affecting (NSA) alarms always have a Minor (MN), Not Alarmed (NA), or Not
Reported (NR) severity.

2.5.6 States

The Alarms and History tab State (ST) columns indicate the disposition of alarms and conditions as
follows:
•
•
•

2.5.7 Safety Summary

This section covers safety considerations to ensure safe operation of the ONS 15600 SDH system.
Personnel should not perform any procedures in this manual unless they understand all safety
precautions, practices, and warnings for the system equipment. Some troubleshooting procedures
require installation or removal of cards. In these instances, users should pay close attention to the
following caution:
Hazardous voltage or energy might be present on the backplane when the system is operating. Use
Caution
caution when removing or installing cards.
Some troubleshooting procedures require installation or removal of optical cards. In these instances,
users should pay close attention to the following warnings:
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
Warning Use of controls, adjustments, or performing procedures other than those specified may result in
hazardous radiation exposure. Statement 1057
Warning Class 1 laser product. Statement 1008
Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
2-14
A raised (R) event is one that is active.
A cleared (C) event is one that is no longer active.
A transient (T) event is one that is automatically raised and cleared in CTC during system changes
such as user login, logout, loss of connection to node view, etc. Transient events do not require user
action. These are listed in Chapter 3, "Transient Conditions."
Chapter 2 Alarm Troubleshooting
July 2010