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4-14 Maintenance
Removing/Replacing the Lithium Battery
Removing/Replacing the Lithium Battery
Introduction The 3-volt lithium battery on the CMEM card maintains the node’s configuration
memory in the event of a power failure.
Warning
Only qualified service personnel should perform the procedure described in this
section. Use of this procedure by unqualified personnel could result in personal
injury or equipment damage, and could jeopardize your warranty and maintenance
agreement. The danger of explosion exists if the lithium battery is incorrectly
replaced. Replace the battery only with the same or equivalent type recommended by
the manufacturer. Discard used batteries according to the manufacturer’s
instructions.
Avertissement
Il y a danger d'explosion s'il y a remplacement incorrect de la batterie. Remplacer
uniquement avec une batterie du même type ou d'un type équivalent recommandé par
le constructeur. Mettre au rebut les batteries usagées conformément aux instructions
du fabricant.
Warnung
Explosionsgefahr bei unsachgemäßem Austausch der Batterie. Ersatz nur durch
denselben oder einen vom Hersteller empfohlenen ähnlichen Typ. Entsorgung
gebrauchter Batterien nach Angaben des Herstellers.
Replacing the
Battery
Follow these steps to replace the battery:
Step Action
1 Power down the PathBuilder S24x, 26x, and 27x switch node.
2 Remove the CMEM card (refer to Figure 3-2 in Chapter 3).
3 Slip the battery out from under the spring clip in the upper left-hand
portion of the card, as shown in Figure 4-7 .
4 Insert a fresh battery under the spring clip, making sure that the positive
(+) terminal is face up.
IMPORTANT: This procedure will erase the CMEM.
5 Reinsert the CMEM card.