300Chapter 24 Replacing data cards and processing hardware

“To remove a DIMM card” on page 317

“To install a DIMM card” on page 318

“To remove the clock/calendar battery” on page 319

“To install a new clock/calendar battery” on page 321

Danger: Electrical shock warning.

Disconnect the power cord, telephone cables, and network cables before opening the computer. Read and follow installation instructions carefully.

Caution: Use only a Nortel-approved replacement. Contact your account representative for the current list of approved replacement parts.

Figure 160 shows an interior view of the base function tray (looking forward). The illustration identifies the location of interior components. Use the flowchart shown in Figure 161 to replace the cards.

Figure 160 Base function tray interior components

WAN slot

MSC slot

PCI cover plate

PCI cover screw

 

 

Modem card

 

 

 

interface

 

PCI Riser

 

 

 

card

 

 

 

connectors

 

 

 

Modem

 

 

 

card

 

 

Main card

 

 

 

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Nortel Networks 400 4.0, BCM200 manual Replacing data cards and processing hardware, Base function tray interior components