Nortel Networks 400 4.0 User Manual
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BCM200/400 4.0 Installation and Maintenance Guide
Chapter 24
Replacing data cards and processing hardware
This section describes how to replace data cards and processing hardware components and
provides the following topics:
provides the following topics:
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The following are field replaceable units (FRUs) for the BCM200 and BCM400 systems:
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Base function tray
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Cards (WAN, MSC, modem)
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Memory
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PECs
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Main card CMOS battery
Replacing cards
Use the procedures in this section to perform the following:
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Warning: You must remove all of the connections to the BCM system before you power
the system down. Failure to disconnect lines before you power down the system can cause
damage to the system.
the system down. Failure to disconnect lines before you power down the system can cause
damage to the system.
Warning: Protect the hardware components against damage from electrostatic discharge.
Always wear a grounded wrist strap before you handle components. Always place the
components in a static-free container.
Always wear a grounded wrist strap before you handle components. Always place the
components in a static-free container.