Cisco Cisco Aironet 1552WU Outdoor Access Point Installation Guide

1.

If all LEDs off, the access point has no power.

STATUS

Black

No power applied or LED off.

Steady green

Access point is operational.

Blinking green

Download or upgrade of Cisco IOS image file in progress.

Steady amber

Mesh neighbor access point discovery in progress.

Blinking amber

Mesh authentication in progress.

Blinking red / green /amber

CAPWAP discovery in progress.

Steady red

Firmware failure. Contact your support organization for 
assistance.

UPLINK 

Black

All network ports down or LED off.

Steady green

Uplink port is operational (cable, fiber optic, or Ethernet).

RF-1



Black

Radio turned off or LED off. 

Steady green

Radio is operational; network is good.

Steady red

Firmware failure. Contact your support organization for 
assistance.

RF-2

Black

Radio is turned off or LED off.

Steady green

Radio is operational; network is good.

Steady red

Firmware failure. Contact your support organization for 
assistance.

Regarding LED status colors, it is expected that there will be small variations in 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.

See the Cisco Aironet 1550 Series Outdoor Mesh Access Point Hardware Installation Guide for a 
detailed description of the LEDs and additional troubleshooting tips.

2.

When the access point power supply is initially turned on, all LEDs are amber.