Installation manual

PS10270JENAA01 20/10/2004 129
Chapter 3 - Maintenance and
troubleshooting
This part describes the maintenance service features of the M6501L/R IP PBX and the
procedures for troubleshooting faults.
This part is divided into two:
• Maintenance
This section provides a general description and explains the operating procedure for
maintenance service features.
• Troubleshooting
This section describes the precautions to be taken before carrying out hardware maintenance
and includes flowcharts on troubleshooting procedures.