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BBU Status
Figure 41: Battery Backup Units Mounted on Router
Item
1
BBU Status
The BBU must first be enabled before it can begin supplying power to the router. The BBU continues to
supply power to the router until at least one of the following conditions is met:
• All BBUs are completely discharged.
• AC power to the router is restored.
• The BBU is disabled with software commands (see Cisco Catalyst IR8140 Heavy Duty Series Router
Note
For information on technical details about the router power path selection and the conditions that trigger the
BBU to begin operating, see
Cisco Catalyst IR8140 Heavy Duty Series Router Hardware Installation Guide
76
Cisco Product ID (PID)
IRMH-BATT-4AH
Software Configuration).
BBU Technical Specifications, on page
Description
Battery backup units. The router supports up to three BBUs.
90.
Installing Battery Backup Units
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