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Using the LEDs to Determine the Problem
5-2 Problem Solving
Using the LEDs to Determine the Problem
The LEDs on the AP show status and help you diagnose problems. After the AP is
powered up and completes its power-up self-test procedure, the LEDs indicate whether
the AP is functioning properly.
When the power-up self-test diagnostics detect a failure in the AP or you suspect a
failure, rerun the self-test to verify that the failure can be repeated. Run the self-test by
unplugging the ac power cord and plugging it back in.
Table 5-1 summarizes the AP LEDs.
Table 5-1: LED Summary Table
LEDs that blink do so in one of two modes:
• Normal mode – At a variable (random) rate with varied intensity to indicate the
activity level during normal operation.
• Error mode – At a constant (steady) rate and intensity to indicate an error.
LED
No.
LED
Color
LED
Signal
LED On Status Normal
State
1 Green Power OK Power is on. On
2 Green Module OK Firmware is running OK. On
3 Green Wired LAN
Activity
Indicates activity on wired
LAN.
Blinking
4 Green Bridge State Indicates AP is forwarding. On
5YellowAP
Saturated
Indicates that packets are
being lost due to congestion,
or an error condition exists
(see Table 5-2).
Off
6 Green Wireless
LAN
Activity
Indicates activity on
wireless LAN.
Blinking
7 Green PC Card
Present
PC Card is present in the AP. On