Nortel Networks BCM200, 400 4.0 Replacing data cards and processing hardware, Replacing cards

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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 299

•“Replacing the processor expansion card (PEC)” on page 311

•“Replacing memory” on page 315

•“Replacing the clock/calendar battery” on page 318

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 301

•“To install a replacement WAN card” on page 303

•“To remove the media services card (MSC)” on page 304

•“To install the media services card (MSC)” on page 306

•“To remove the modem card” on page 307

•“To install a modem card” on page 309

•“To remove the processor expansion card (PEC)” on page 313

•“To install a PEC” on page 315

BCM200/400 4.0 Installation and Maintenance Guide