Replacing a BBU
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.
To replace a BBU:
Step 1
Disconnect the BBU module from the router per instructions.
Step 2
Replace all BBUs of the router at the same time.
Do not mix used BBUs with new BBUs.
Note
BBU Disposal Guidelines
Instructions for disposal of BBUs
• For routers under warranty, follow the standard Cisco RMA procedures.
• If Cisco identifies a BBU or set of BBUs as a non-functional item that can be discarded without being
returned for failure analysis, BBUs removed for replacement must be disposed of in accordance with
local guidelines.
• US and Canadian customers should utilize
to properly recycle the lithium ion
BBUs.
• For local recycling outside of the US and Canada, customers should contact the following Cisco email
for guidance specific to customer’s country/region: [email protected]
• For further local take-back and recycling information, customers can refer to:
Preparing to Install the BBU
Before installing BBUs in the router, ensure that the following guidelines have been met:
Tools You Supply
You must provide a #1 Phillips screwdriver to install or remove the BBU modules inside the BBU cage. You
also need these tools:
• T15 Torx Driver
• 10mm Socket Driver
Installing Battery Backup Units
5
Installing Battery Backup Units
Replacing a BBU
