Supported Alteia Protocol Commands and Messages
5/6
6/7
7/8
8/9
FEC rate 5/6
FEC rate 6/7
FEC rate 7/8
FEC rate 8/9
BER
Set BER alarm threshold
ddE-d
Sets the BER alarm
threshold
returns NAK
EBN
Set C/N alarm threshold
dddd
Sets the C/N alarm threshold
returns NAK
SIG
Set signal level alarm
threshold
-
Command not supported
returns ACK
SYM
Set symbol rate
dddddd
RF input number, d = 1 to 4
(Note space)
SRQ
Request demodulator
status
-
See below
SRQ response:
\000:DEM;FEC=ccc_SYM=dddddd_BER=ddE-d_SIG=ddd_$FFCr
where parameters are as given above.
4.2.3
Decoder Commands
Command =
DEC
The decoder commands control the function and operation of the decoder (ASI board
is integrated).
SUB
Description
NNN
Parameter Description
DSR
Set decoder source
ASC
AC2
AUT
ASI copper input 1
ASI copper input 2
ASI copper auto mode
SRQ
Requests decoder status
-
See below
SRQ response:
\000:DEC;DSR=ASC_LOC=ddd_$FFCr
where parameter DSR is as given above (and always returns ASC), and the following
additional parameter:
SUB
Description
NNN
Parameter Description
LOC
Packet lock
188
204
NLC
Locked to 188 byte packets
Locked to 204 byte packets
Not locked
4.2.4
DVB-T Commands
DVB-T subcommands are meant to control the DVB-T/T2 input card.
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Document No. ST.TS.EXXXXX.1 2010-03-04
