Symbol Technologies Spectrum24 AP-4131 - Manual (Page 208)

Hardware Installation
198 AP-4131 Access Point Product Reference Guide
4.9 LED Indicators
The top panel LED indicators provide a status display indicating transmission
and other activity. The indicators are:
Power Flashing indicates AP initialization.
Steady Green during operation.
Wired LAN Activity Flashing indicates data transfers on
wired connection.
Wireless LAN Activity Flickering indicates beacons and data
transfers with MUs.