I have a DM900, with openATV 6.2 image, and OSCam 11424and I never put working AFN channels.
My OSCam.server is:
[reader]
label = oscam_emu
protocol = emu
device = emulator
0D00&0F00,090F,0500,1801,0604,0648,0D98,0650,0D95,0E00,1FFF,2600
detect= cd
ident=...