Network Sensor Status Led - Cisco Aironet 1800s Getting Started Manual

9
Troubleshooting and Resetting the Network Sensor

Network Sensor Status LED

Note It is expected that there will be small variations in the LED color intensity and hue from unit
to unit. This is within the normal range of the LED manufacturer's specifications and is not a
defect.
The network sensor status LED indicates various conditions which are described in
Table 1 LED Status Indications
Message 
Type
Boot loader status
sequence
Association status
Operating status
LED State
Blinking Green
Chirping Green
Green
Blinking Amber
Cycling through Green,
Red, and Amber
Rapidly cycling
through Red, Green,
Amber, and off.
Blinking Red
Message
Meaning
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 the operating system of the sensor
Initialization successful
Normal operating condition, but no wireless
client associated
Normal operating condition with at least one
wireless client association
Software upgrade is in progress.
Discovery/join process is in progress.
Access point location command invoked from
controller web interface.
Ethernet link is not operational.
Table 1.
23