With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcIfBeaconMode
Cisco Fibre Element If Beacon Mode
1.3.6.1.4.1.9.9.289.1.1.2.1.5
The Beacon mode configured by the user. If 'true', the Beacon mode is enabled. If 'false', the beacon mode is disabled. In Beacon mode, an interface LED is put into flashing mode for easy identification of a particular interface.
Back to CISCO-FC-FE-MIB MIB page.
IPHost Network monitor allows you to monitor fcIfBeaconMode on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.