Hi friends,i've got 10 1520 Mesh AP's along with 2 1240 LAP, and 1 air-wlc4402.All of my AP's are in one VLAN, which is VLAN xxx, My configuration is L2 LWAPP.Problem is controller is not detecting 1240 AP's, although the 10 1510 AP's are working fin...

Can anyone tell me about the difference between SEC/K9 , HSEC/K9 and T1SEC/K9 products.