here is sky it oscam config , works perfect in dm500s , as a readear only (dev/scio0)

oscam.conf

[global]
nice = -1
WaitForCards = 1
saveinithistory = 1

[webif]
httpport = 8787(your port)
httpuser = user
httppwd = password
httpallowed = 127.0.0.1,192.168.0.1-192.168.0.255 #( your local computer ip)


[newcamd]
key = 0102030405060708091011121314
port = 12500@093B:000000

oscam.server

[reader]
label = skyit
enable = 1
protocol = internal
device = /dev/sci0
services =
caid = 093B
detect = cd
mhz = 500
cardmhz = 500
ident =
group = 1
ecmcache = 1
#services = skyit
blockemm-unknown = 1
blockemm-u = 1
blockemm-s = 1
blockemm-g = 1
lb_weight = 500
audisabled = 1
blocknano = all
BoxID = 12345678 #( edit with your box id)

oscam.user

[account]
user = deda
pwd = pantelija
monlevel = 0
uniq = 1
group = 1
#au = skyit
ident = 093B:000000
caid = 093B

#######


Use:OSCAM 1.00-svn build #3396