Replacing Data Cards And Processing Hardware; Replacing Cards - Nortel BCM200 Installation And Maintenance Manual

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:
• "Replacing cards" on page 301
• "Replacing the processor expansion card (PEC)" on page 313
• "Replacing memory" on page 317
• "Replacing the clock/calendar battery" on page 320
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.
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.
The following are field replaceable units (FRUs) for the BCM200 and BCM400 systems:
• Base function tray
• Cards (WAN, MSC, modem)
• Memory
• PECs
• Main card CMOS battery

Replacing cards

Use the procedures in this section to perform the following:
• "To remove the WAN card" on page 303
• "To install a replacement WAN card" on page 305
• "To remove the media services card (MSC)" on page 306
• "To install the media services card (MSC)" on page 308
• "To remove the modem card" on page 309
• "To install a modem card" on page 311
• "To remove the processor expansion card (PEC)" on page 315
• "To install a PEC" on page 317
BCM200/400 4.0 Installation and Maintenance Guide
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