3Com 3C780 User Guide - Page 47

Installing the Battery

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Installing the Hub 2-7 Installing the Battery A lithium battery, which powers the nonvolatile memory bank, is supplied with the management module. The hub's nonvolatile memory preserves the following: s Boot parameters s Last download status s Set command parameters s Fault log entries The lithium battery is a 3-volt, 550 mA-hr battery in a 2450 blister pack. It can last up to 10 years before it must be replaced. However, its actual lifetime depends on the number and duration of power outages that may occur. It has enough capacity to last up to 5500 hours after power is lost. Replace the battery when the LOW BAT LED lights. You can purchase replacements in most computer and electronic retail stores. Ask for a type 2450 battery. Be sure to replace the battery with one made by the same manufacturer. CAUTION: The battery may explode if it is replaced incorrectly. Replace the battery only with the same or equivalent type as described above. Used lithium batteries can be considered other household waste and disposed of accordingly. Do not incinerate, disassemble, or deform batteries. Do not attempt to recharge the battery. Do not heat the battery over 100˚ C. Failure to follow these handling instructions may result in battery failure, including seal breakdown, leakage, internal shorting, fire, and potential explosion. ACHTUNG: Diese Batterie kann explodieren, wenn sie falsch installiert wird. Verwenden Sie nur den gleichen oder entsprechenden vom Hersteller empfohlenen Typ. Verbrauchte Batterien sind nach den Angaben des Herstellers zu entsorgen.

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2-7
Installing the Hub
Installing the Battery
A lithium battery, which powers the nonvolatile memory bank, is supplied with
the management module.
The hub’s nonvolatile memory preserves the
following:
■
Boot parameters
■
Last download status
■
Set command parameters
■
Fault log entries
The lithium battery is a 3-volt, 550 mA-hr battery in a 2450 blister pack.
It can
last up to 10 years before it must be replaced.
However, its actual lifetime
depends on the number and duration of power outages that may occur.
It has
enough capacity to last up to 5500 hours after power is lost.
Replace the battery when the LOW BAT LED lights.
You can purchase
replacements in most computer and electronic retail stores.
Ask for a type 2450
battery.
Be sure to replace the battery with one made by the same manufacturer.
CAUTION:
The battery may explode if it is replaced incorrectly.
Replace the
battery only with the same or equivalent type as described above.
Used lithium
batteries can be considered other household waste and disposed of accordingly.
Do not incinerate, disassemble, or deform batteries.
Do not attempt to recharge
the battery.
Do not heat the battery over 100˚ C.
Failure to follow these handling instructions may result in battery failure,
including seal breakdown, leakage, internal shorting, fire, and potential
explosion.
ACHTUNG:
Diese Batterie kann explodieren, wenn sie falsch installiert wird.
Verwenden Sie nur den gleichen oder entsprechenden vom Hersteller
empfohlenen Typ.
Verbrauchte Batterien sind nach den Angaben des
Herstellers zu entsorgen.