This should work in the oscam.server:
[reader]
label = vm-nline-server1
protocol = newcamd
device = server,port
key = 0102030405060708091011121314
user = username
password = password
disableserverfilter = 1
connectoninit = 1
caid = 1841
ident = 1841:000000,005b01,005a01,005b02,005b03
group = 1
[reader]
label = vm-nline-server2
protocol = newcamd
device = server,port
key = 0102030405060708091011121314
user = username
password = password
disableserverfilter = 1
connectoninit = 1
caid = 1841
ident = 1841:000000,005b01,005a01,005b02,005b03
group = 1