Ho fatto le modifiche che mi hai suggerito.
Questa è la configurazione che ho creato nel file doscam.service che ho posizionato accanto al doscam.cfg ovvero nella stessa cartella.
Purtroppo non funziona.

[global]
nice = 20
keepalive = 1
preferlocalcards = 2
waitforcards = 1
failbantime = 5
failbancount = 10
boxtype = dreambox

[dvbapi]
enabled = 1
au = 1
user = local
boxtype = dreambox
[newcamd]
port = 10000@0000:000000
key = 0102030405060708091011121314
[cccam]
port = 11000
version = 2.3.0
[webif]
httpport = 8080
httpuser = root
httppwd = dreambox
httpallowed = 127.0.0.1,192.168.0.0-192.168.255.255

[reader]
label = TNTSAT
protocol = internal
device = /dev/sci0
caid = 0500
detect = cd
mhz = 450
cardmhz = 2700
ident = 0500:030B00
group = 1
boxkey=014D902F
deskey=22D60F37567BAB12F505D8C8C71A22E3
aeskeys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

[account]
description = dvbapi
user = local
au = 1
group = 1

[TNTSAT]
caid = 0500
provid = 030B00
srvid = 7A4D,7AB1,2136,275F,6F73,6F86,6F87,1F49,2455,2457, 245A,245C,245D,2329,232B,2330,19D0,19D1,21FD,21FE, 21FF,2200,2F6C,2F6D,20D6,219D,2458