Cisco Aironet 1800s, Getting Started Manual

Page: 23 / 42

23
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 .
Table 1 LED Status Indications
Message

Type
LED State Message
Meaning
Boot loader status
sequence Blinking Green 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
Association status Chirping Green Normal operating condition, but no wireless
client associated
Green Normal operating condition with at least one
wireless client association
Operating status Blinking Amber Software upgrade is in progress.
Cycling through Green,
Red, and Amber Discovery/join process is in progress.
Rapidly cycling
through Red, Green,
Amber, and off. Access point location command invoked from
controller web interface.
Blinking Red Ethernet link is not operational.