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CDM-Qx Satellite Modem
Remote Control
Command
Parameter
(Instruction
Type
Code and
qualifier)
Faults and Status
N/A
Arguments for
Command or
Response to
Query
12 bytes
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 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
Description of Arguments
C-27
Response to
Query
Command
(Instruction
(Target to
Code and
Controller)
Qualifier)
N/A
FLT?
Revision 6
MN/CDMQx.IOM
Response to
query
(Target to
Controller)
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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