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Monitoring the Access Point Status LED
Note
It is expected that there will be small variations in LED color intensity and hue from unit to unit. This is
within the normal range of the LED manufacturer specifications and is not a defect.
The access point LED signals are listed in
Table 3-1
LED Message Type
Boot loader status
sequence
Boot loader
warnings
Boot loader errors
Cisco Aironet 1540 Series Outdoor Access Point Hardware Installation Guide
3-4
Table
Access Point LED Signals
Color
Blinking Green
Blinking Amber
Red
Blinking Green
Red
Blinking Red and Amber
Blinking Red and Off
3-1.
Meaning
Boot loader status sequence:
•
DRAM memory test in
progress
DRAM memory test OK
•
Board initialization in
•
progress
Initializing FLASH file
•
system
FLASH memory test OK
•
•
Initializing Ethernet
Ethernet OK
•
Starting AP OS
•
Initialization successful
•
Configuration recovery is in
progress (the Reset button has
been pushed for 2-3 seconds)
There is an Ethernet failure or an
image recovery (the Reset button
has been pushed for 20-30
seconds)
An image recovery is in progress
(the Reset button has been
released)
There has been a DRAM
memory test failure
There has been a FLASH file
system failure
This sequence may indicate any
of the following:
Environment variable
•
failure
Bad MAC address
•
•
Ethernet failure during
image recovery
Boot environment failure
•
•
No Cisco image file
Boot failure
•
Chapter 3
Troubleshooting
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