3Com S24x, S27x, S26x installation manual Removing/Replacing the Lithium Battery

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
	Follow these steps to replace the battery:
Battery
	Step	Action

1Power down the PathBuilder S24x, 26x, and 27x switch node.

2Remove the CMEM card (refer to Figure 3-2 in Chapter 3).

3Slip the battery out from under the spring clip in the upper left-hand portion of the card, as shown in Figure 4-7 .

4Insert a fresh battery under the spring clip, making sure that the positive

(+) terminal is face up.

IMPORTANT: This procedure will erase the CMEM.

5Reinsert the CMEM card.

4-14 Maintenance