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Installation and Maintenance Guide
Chapter 6
Prepare Hardware for Maintenance or Upgrades
This chapter describes how to prepare the Business Communications Manager system for
maintenance activities. The following topics are covered in this chapter:
•Precautions
• Tools
• System shutdown and startup
• Platform base chassis maintenance procedures (remove & install the Base function tray,
Advanced function tray, chassis cover)
Precautions
Before you replace or update any hardware on the Business Communications Manager system,
disconnect the system from the trunk lines.
Remove the top cover to access the standard power supply, I/O card or backplane components. For
fan, hard disk or power supply maintenance, remove the appropriate chassis panels. Remove the
base function tray to replace any PCI cards. Remove the advanced function tray from the BCM400
platform base chassis to replace or upgrade the hard disk. If applicable, remove the platform base
chassis from a server rack.
Observe the following precautions when working inside the Business Communications Manager
system. Maintain a clean and static-safe site..
Danger: Electrical shock warning.
Disconnect the power cord, telephone cables and network cables before opening the
Business Communications Manager platform base chassis. Read and follow installation
instructions carefully.
Danger: Electrical shock warning.
Partially remove the power supply module from the power supply cage. Do not completely
remove the power supply module. IMPORTANT: Wait several seconds before removing
the power supply module completely from the power supply cage to ensure complete
electrical discharge.
Caution: Use only a Nortel Networks approved replacement. Contact your account
representative for the current list of approved replacement parts.