Avaya Definity SI, Maintenance Manual, Page: 129 / 2968

System Features
Issue 4 May 2002 5-25 555-233-123
Air Filters
Inspect air filters annually. If a filter is dirty or clogged, tap it on the ground. If the
filter is still dirty or clogged, wash it with warm water and a mild detergent. A
vacuum cleaner can also be used. If there is no facility for washing or vacuuming
the air filter, replace the filter. Refer to
‘‘CABINET (Cabinet Sensors)’’
maintenance object for more information on air filters and fans.
Batteries
Replace batteries every 4 years or when a POWER alarm occurs in the system.
Tape Head/Capstan
If the system contains a tape backup, clean the tape drive head (also called the
tape head) at least once a year, as part of the preventive maintenance strategy.
Because new tapes leave more abrasive particles on the tape head than used
tapes, it is recommended that you inspect the tape head during each maintenance
visit and that you clean the tape head several times a year. Place a dated label on
the tape drive unit after the tape head is cleaned.
Access the tape head from the front of the drive by opening the tape access door
with your finger. Refer to TAPE Maintenance documentation for more details on
cleaning the tape head.
System Features
In addition to various maintenance and test commands (described in Chapter 8,
‘‘Maintenance Commands and Trouble-Clearing Aids’’ ), the following features
may also be useful in troubleshooting certain system resources:
■
Automatic Circuit Assurance (ACA)
■
Busy Verification of Terminals and Trunks
■
Trunk Group Busy/Warning Indicators to Attendant
■
Trunk Identification by Attendant
■
Facility Test Calls
■
Analog Tie Trunk Back-to-Back Testing
■
Terminating Trunk Transmission Testing
■
Troubleshooting ISDN-PRI Problems
■
Troubleshooting PRI Endpoint Problems
■
Troubleshooting ISDN-PRI Test Calls
See Administrator’s Guide for Avaya MultiVantage Software for feature
descriptions.