Battery Backup Unit Led - Cisco 1240 Hardware Installation Manual

LED Locations and State Descriptions

Battery Backup Unit LED

The router supports up to three battery backup units (BBUs). When two or more BBUs are installed, they
are connected to each other in a head-to-tail configuration in the router and the BBU LED are in the
locations shown in
To see the LED for each BBU, open the router chassis according to the
chapter.
Figure 14-3
LED
BBU (no label) Green solid
Cisco 1240 Connected Grid Router Hardware Installation Guide
14-6
Figure 14-3.
Battery Backup LED Location
Color and State
Green blinking
Amber blinking
Amber slow blinking
Alternate Red/green blinking
Red blinking
Red slow blinking
Red solid
Off
Chapter 14 Router LED Locations and States
"Opening the Router Chassis"
Description
Idle state
Charging
Discharging (providing power to the system)
Disabled with the system software
Initializing
Bootloader mode
Test mode
BBU failure
Disconnected from router or completely
discharged
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