Table of Contents
Advertisement
CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier®
Appendix C
Command
Arguments for
Parameter
(Instruction
Command or
Type
Code and
Response to
Qualifier)
RX Eb/No
N/A
3 bytes
Equipment ID
N/A
14 bytes
Description of Arguments
Query
Query only.
Unit returns the value of Eb/No, between 0 and 16 dB, Resolution
0.1 dB.
Returns 99.9 if demod is unlocked.
Example: EBN=12.3 (Eb/No=12.3 dB)
For values greater than 16.0 dB, the reply will be: EBN=+016
Query only.
Unit returns information on a per module basis concerning the
equipment identification and the option field in the form
abbbcdefghijk, where:
a=Turbo H/W option: 0=None, 1=Turbo, 2=TPC/LDPC
bbb=defines the model number (Qx0 in this case)
c=RS Codec H/W Option: 0=None 1=Installed
d=Module Data Rate S/W Option: 0=None , 3=up
to 5 Mbps, 4=up to 10 Mbps, 5=up to 20 Mbps
e=Higher-order modulation: 0=None, 1=8-PSK/8-QAM,
2=16-QAM, 3=8-PSK, 8-QAM, 16-QAM
f=Spare – for future use
g=Spare – for future use
h=Turbo data rate S/W option: 0=None, 1=up to 512Kbps,
2=up to 2048Kbps, 3=up to 5Mbps, 4=up to 10Mbps,
5=up to 20Mbps
i=Module type: 0=None, 1=Modulator, 2=Demodulator, 3=Quad
Drop & Insert
j=Modem group: 0=ungrouped, 1=grouped as modem#1,
2=grouped as modem#2
k=Spare – for future use
l=Spare – for future use
Example 1: EID=1Qx0033xx31xxx means Turbo installed, CDM-
QX 70/140 band, No RS Codec, up to 5 Mbps, 8-PSK/8-QAM
and16-QAM, Turbo data rate up to 5Mbps, module is modulator.
Example 2: EID=xQx0xxxxxx0xxx, means there's no mod or
demod module installed. This tells the user that this remote address
belongs to a CDM-Qx.
Example 3: EID=xQx0xxxxx30xxx, means Quad Drop and Insert
module is installed in the Slot (Slot 4 always).
Response to
Command
N/A
N/A
C–25
Revision 7
MN/CDMQX.IOM
Query
(Instruction
Response to Query
Code and
Qualifier)
EBN?
EBN=xxxx
(see Description of
Arguments)
EID?
EID=abbbcdefghijkl
(see Description of
Arguments)
Notes:
QxO is the 70/140 module
(mod or demod)
Qx1 is the L-Band module
(mod or demod)
Advertisement
Table of Contents
