DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
About this Book
xixSafety Precautions
■ Chapter 8, ‘‘Maintenance Commands’’, contains a description of each
maintenance command available through the management terminal. The
commands are ordered alphabetically. A general description of command
syntax and conventions appears at the beginning of the chapter.
■ Chapter 9, ‘‘Maintenance Object Repair Procedures’’, contains specific
troubleshooting and repair instructions for every component in the system.
The maintenance objects are listed alphabetically by name as they
appear in the Alarm and Error Logs. Under each maintenance object
appears a description of the object’s function, tables for interpreting alarm
and error logs, and instructions on how to use tests, commands, and
replacements to resolve associated problems. Most of these procedures
are complete and self-contained, while others rely upon procedures in
Chapter 5, ‘‘Alarms, Errors, and Troubleshooting’’
.
Safety Precautions
Before working on a system, the technician must be thoroughly familiar with the
precautions and practices described at the beginning of Chapter 5, ‘‘Alarms,
Errors, and Troubleshooting’’.
Class 1 Laser Device
The DEFINITY ECS contains a Class 1 LASER device if single-mode fiber optic
cable is connected to a remote Expansion Port Network (EPN). The LASER
device operates within the following parameters:
Power Output: -5 dBm
Wavelength: 1310 nm
Mode Field Diameter: 8.8 microns
CLASS 1 LASER PRODUCT
IEC825 1993
!
DANGER:
Use of controls or adjustments or performance of procedures other than
those specified herein may result in hazardous radiation exposure.
Contact your Lucent Technologies representative for more information.
Electromagnetic Compatibility
Standards
This product complies with and conforms to the following:
■ Limits and Methods of Measurements of Radio Interference
Characteristics of Information Technology Equipment, EN55022
(CISPR22), 1993
