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Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters (CB21AG and PI21AG) Installation and Configuration Guide
OL-4211-03
Chapter10 Troubleshooting
Accessing the Latest Troubleshooting Information
Accessing the Latest Troubleshooting Information
This chapter provides basic troubleshooting tips for your client adapter. For more up-to-date and detailed
troubleshooting information, refer to the TAC web site. To access this site, go to Cisco.com, click
Technical Support > Product Support > Wireless. Then choose your product and click Troubleshooting
to find information on the problem you are experiencing.
Interpreting the Indicator LEDs
The client adapter shows messages through its two LEDs. Table 10-1 interprets the LED operating
messages.
Table 10-1 LED Operating Messages
Status LED (green) Activity LED (amber) Condition
Off Off Client adapter is not receiving power.
Blinking slowly Off Client adapter is in power save mode.
On Off Client adapter has awakened from power save mode.
Alternating blink: Client adapter is scanning for the wireless network
for which it is configured.
On Off
Off On
Blinking slowly Blinking slowly Client adapter is associated to an access point (in
infrastructure mode) or another client (in ad hoc
mode).
Blinking quickly Blinking quickly Client adapter is transmitting or receiving data
while associated to an access point (in infrastructure
mode) or another client (in ad hoc mode).