Nortel Networks BCM1000 Benutzerhandbuch

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Chapter 19 Replacing data cards and processing hardware
225
Installation and Maintenance Guide
7
Slide the new DIMM, edge connectors first, into the slot.
8
Carefully push the DIMM down until the fastening tabs clip to the side of the DIMM.
9
Replace any boards or cables that you removed to insert the memory chips.
10
Replace the cover. 
11
 for details.
Replacing the clock/calendar battery
The clock/calendar battery supplies the power required to keep the BIOS information current if 
there is a power failure. 
 provides an overview of the process of replacing this 
component.
Figure 132   Process Map: Battery replacement overview
Note: 
The DIMM has two notches on the edge connector. Position the DIMM so that one 
of the notches is on the side of the slot nearest to the Business Communications Manager 
cards.
Note: 
Do not force the DIMM into its slot. If the DIMM does not slide in easily, check the 
alignment of the DIMM.
Warning: 
You must replace the battery with a CR2032, 3v Maxell coin cell battery. 
Do not use any other manufacturer because this may invalidate the safety approval of the 
BCM1000 hardware and possibly cause a fire or explosion.
Danger: 
Disconnect the telephone cables and network cables and then the ac power 
before opening the computer. Read and follow installation instructions carefully.
Set up unit for 
maintenance
Restore unit to 
operation
CAREFULLY
Install 
new battery
WARNING:
+ faces up