Supported Alteia Protocol Commands and Messages
BST
DC output boosted (not
supported)
MOD
Set modulation type
QPS
BPS
8PS
16Q
AUT
Command not supported
(modulation is auto-configured)
QPSK modulation
BPSK modulation
8PSK modulation
16QAM modulation
Auto
FEC
Forward error correction
rate
AUT
1/2
2/3
3/4
4/5
5/6
6/7
7/8
8/9
Automatic
FEC rate 1/2
FEC rate 2/3
FEC rate 3/4
FEC rate 4/5
FEC rate 5/6
FEC rate 6/7
FEC rate 7/8
FEC rate 8/9
SYM
Set symbol rate
dddddd
Symbol rate in units of
100 sym/s,
range 1.0 to 48.0 Msym/s
All GRPCMDs must be present in a GRP sub-command for it to be valid.
GRP Sub-Command Acknowledgement Messages
The GRP sub-command has an extended set of acknowledgement messages. It uses
the ACK acknowledgement for the same purpose as all other messages but there is an
extended set of negative acknowledgements that can be returned in place of NAK as
follows:
GRP
command example:
\000:TUN;GRP-FRQ=1002-LNB=1003-POL=HOR-RFI=NO 1-PWR=OFF-MOD=QPS-
FEC=1/2-SYM=027500_
GRP
Sub-Command Details:
Acknowledgement
Description
NA2
PWR payload not found
NA3
PWR payload incorrect
NA4
POL payload not found
NA5
POL payload incorrect
NA6
Grouped sub-command starts with P, but is not PWR or
POL
NA7
FEC payload not found
NA8
FEC payload incorrect
20 (59)
Document No. ST.TS.EXXXXX.1 2010-03-04
