Comtech EF Data CDM-750 Installation And Operation Manual page 228

CDM-750 Advanced High-Speed Trunking Modem
Appendix D
Command
Parameter
(Instruction
Type
& Qualifier)
Rx Eb/No N/A 4 bytes
N/A 9 bytes
Faults and
Status
Number of
Arguments
Query only.
Unit returns the value of Eb/No, from 0 to 16 dB:
Resolution 0.1 dB.
Returns 99.9 if demod is unlocked.
Returns +016 for values greater than 16.0 dB.
Example: EBN=12.3 (Eb/No=12.3 dB)
Query only.
Unit returns the current highest-priority fault and status codes for the Unit
(hardware), TX Traffic, RX Traffic, and ODUs:
aa=Unit status:
00=No faults
01=Main Board Power Supply 3.3V
02=Main Board Power Supply 1.5V
03=Main Board Power Supply 1.2V
04=Main Board Power Supply 1.8V
05=Main Board Power Supply 1.9V
06=Main Board Power Supply 2.5V
07=Main Board Power Supply 1.25V
08=Modem Board Power Supply 5.5V
09=Modem Board Power Supply 3.8V
10=Modem Board Power Supply 2.3V
11=Modem Board Power Supply 3.3V
12=Modem Board Power Supply 1.8V
13=Modem Board Power Supply 1.2V
14=Tx Power Cal
15=FPGA Load Fail
16=Reference Unlocked
17=Temperature Exceeded
18=General Fault
19=General Test Fault
20=G.703 PIIC1 External Clock Activity
21= G.703 PIIC1 External Clock In Range
22= G.703 PIIC2 External Clock Activity
23= G.703 PIIC2 External Clock In Range
b=Tx status:
0=No Faults
1=Input Data
2=PLL
3=General Test Fault
4= G.703 PIIC1 Symbol Clock PLL
Description of Arguments
D–32
Query
Response to
(Instruction & Response to Query
Command
Qualifier)
N/A EBN? EBN=
(see Description of
Arguments)
N/A FLT?
FLT=aabccdexx
(see Description of
Arguments)
Revision 1
MN-CDM750