Server Component Replacements 45Nortel WLAN — Location Engine 2340 InstallationServer Component ReplacementsReplacing the Backup BatteryThe lithium battery on the server board powers the real-time clock (RTC) for up to 10 years in the absence of power.When the battery starts to weaken, it loses voltage, and the server settings (for example, the date and time) stored inCMOS RAM in the RTC may be lost or corrupted.Caution! Before replacing the battery, you must first take the server out of service, turnoff all peripheral devices connected to the system, turn off the system by pressing thepower button, and unplug the power cord from the system or wall outlet.Warning! Danger of explosion if battery is replaced incorrectly. Replace onlywith the same or equivalent type recommended by the equipmentmanufacturer. Discard used batteries according to manufacturer's instructions.Warning! Lithiumbatteri - Eksplosionsfare ved fejlagtig håndtering.Udskiftning må kun ske med batteri af samme fabrikat og type. Levér detbrugte batteri tilbage til leverandøren.ADVARSEL! Lithiumbatteri - Eksplosjonsfare. Ved utskifting benyttes kunbatteri som anbefalt av apparatfabrikanten. Brukt batteri returneresapparatleverandøren.VARNING! Explosionsfara vid felaktigt batteribyte. Använd samma batteritypeller en ekvivalent typ som rekommenderas av apparattillverkaren. Kasseraanvänt batteri enligt fabrikantens instruktion.