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Installation and Maintenance Guide
Chapter 7
Hard Disk Replacement Procedures
The hard disk is a core software and data storage component. For BCM200 platform base
configurations, the hard disk assembly installs at the rear of the platform base chassis. For
BCM400 platform base configurations, the hard disk assembly installs in the advanced function
tray (AFT) chassis.
The standard Business Communications Manager configuration includes one factory-installed
hard disk. The RFO Configuration includes 2 hard disks and RAID controller card. The field
upgrade includes a mirror hard disk and RAID controller card.
Use this procedure under the following conditions:
• if you need to replace an existing hard disk
• if you need to upgrade to RAID
Remember to take suitable 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.
Caution: Use only a Nortel Networks approved replacement. Contact your account
representative for the current list of approved replacement parts.
Warning: Maintain a current backup of your system.
When you replace the hard disk, you must restore the Business Communications
Manager system programming from the backup.
Caution: Do not use an electric screwdriver near the hard disk. You can lose the
information stored on the disk. Shock can damage the hard disk. Do not drop or
hit the hard disk drive.
Warning: You must remove all of the connections to the Business Communications
Manager base function tray before you power the system down.
Failure to disconnect lines before power down can cause damage to the system.