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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)
Faults and Status
N/A
12 bytes
Description of Arguments
Query
Query only.
Unit returns the current highest-prority fault and status codes for the Unit (hardware), TX
Traffic, RX Traffic, and ODU in the form abcdef, where:
a=Unit Faults:
0=No Faults
1=Power Supply Fault, +5 volts
2=Power Supply Fault, +12 volts
3=Power Supply Fault, -5 volts
4=Power Supply Fault, +23 volts
5=Power Supply Fault, -12 volts
9=Ref PLL Lock
F=EEPROM Checksum error
6,7,8,A,B,C,D,E are reserved for future expansion
bb=fault codes for Slot#1 can be Tx or Rx Traffic status
cc=fault codes for Slot#2 can be Tx or Rx Traffic status
dd=fault codes for Slot#3 can be Tx or Rx Traffic status
ee=fault codes for Slot#4 can be Tx or Rx Traffic status
TX Traffic status:
00=TX Traffic OK
01=No Clock from Terrestrial Interface
03=TX FIFO Slip
06=TX Synthesizer Lock
07=AUPC Upper Limit Reached
09=AIS Detected on Incoming Data
0B=Bipolar violation on G.703 Interface
0F=TX EEPROM Checksum Error
12=Power supply fault, +5 volts
13=Power supply fault, -5 volts
14=Power supply fault, +12 volts
15=Power supply fault, -12 volts
16=Power supply fault, +23 volts
the rests are reserved for future expansion
RX Traffic status:
0=RX Traffic OK
1=Demodulator Unlocked
3=AGC Alarm – signal out of range
5=RS Frame SYNC alarm
7=EDMAC Frame SYNC alarm
st
8=RX 1
LO Synthesizer Lock
nd
9=RX 2
LO Synthesizer Lock
A=Buffer Under
B=Buffer Overflow
D=Eb/No alarm
E=AIS detected on incoming data
F=RX EEPROM checksum error
10=Demod FPGA not programmed
11=Turbo FPGA not programmed
12=Power supply fault, +5 volts
13=Power supply fault, -5 volts
14=Power supply fault, +12 volts
15=Power supply fault, -12 volts
16=Power supply fault, +23 volts
17=QDI Deframer Unlocked
18=Buffer Clock Activity
the rests are reserved for future expansion
f=ODU status: (for CDM-QxL L-Band unit only)
0=No ODU Faults
1=BUC PLL
3=BUC Current
5=BUC Voltage
7=LNB Current, 9=LNB Voltage, B=BUC Temperature, D=BUC Checksum
Response to
Command
N/A
C–26
Revision 7
MN/CDMQX.IOM
Query
(Instruction
Response to Query
Code and
Qualifier)
FLT?
FLT=abbccddeefgh
(see Description of Arguments)
g=Change in fault status since last
poll.
h=Change in unit configuration
since last poll
(see Description of Arguments)
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