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Safety Warnings
Safety Warnings
Read the safety warnings in
Warning
There is the danger of explosion if the battery is replaced incorrectly. Replace the battery only with the same
or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer's
instructions. Statement 1015
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment. Statement
1030
Note
When you replace a BBU in the router, we highly recommend:
• Replacing all the BBUs.
• Verifying all the replacement BBUs are the same version.
When a router operates with different BBU versions, it may result in misbehavior in the BBU functionality.
Preventing Electrostatic Discharge Damage
The BBUs are sensitive to electrostatic discharge (ESD) damage which can occur when electronic cards or
components are handled improperly, and can result in complete or intermittent failures.
To prevent ESD damage, follow these guidelines:
• Always use an ESD wrist or ankle strap and ensure that it makes good skin contact.
• Connect the equipment end of the strap to an unfinished chassis surface.
• Place the BBU on an antistatic surface or in a static shielding bag. If the BBU will be returned to the
• Avoid contact between the battery and clothing. The wrist strap protects the battery from ESD voltages
• Do not remove the wrist strap until the installation is complete.
BBU Components
This section illustrates and describes the BBU components you should be familiar with when installing the
BBU.
Installing Battery Backup Units
6
Installation Safety and Site
factory, immediately place it in a static shielding bag.
on the body only; ESD voltages on clothing can still cause damage.
Installing Battery Backup Units
Preparation.
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