Comtech EF Data SDM-2020 - Manual (Page 240)

SDM-2020 Satellite Modulator Revision 7
Remote Control Operation MN/SDM2020M.IOM
Parameter
Command/
Status/
Type Response Description of Arguments Comments
Character 'd': Interface transmit side faults
character 1.
Bit 6 = 1 always.
Bit 5 = Data Format Fault
Bit 4 = reserved.
Bit 3 through Bit 0 = Binary representation
(0 to 10) of the number of interface
transmit side stored faults.
Character 'e': Interface transmit side faults
character 2.
Bit 6 = 1 always.
Bit 5 = Frame Sync Lock.
Bit 4 = Transmit Data Valid.
Bit 3 = Transmit Clock Activity.
Bit 2 = Transmit Synthesizer PLL Lock.
Bit 1 = Transmit FIFO.
Bit 0 = Interface module fault
Character 'f': Interface transmit side faults
character 3.
Bit 6 = 1 always.
Bit 5 through Bit 0 reserved.
Character 'g': Common equipment fault status
character 1.
Bit 6 = 1 always.
Bit 5 = reserved.
Bit 4 through Bit 0 = Binary representation
(0 to 10) of the number of common
equipment stored faults.
Character 'h': Common equipment fault status
character 2.
Bit 6 = 1 always.
Bit 5 = Battery/Clock.
Bit 4 = +5V power supply.
Bit 3 = +12V power supply.
Bit 2 = -12V power supply.
Bit 1 = Monitor & Control Module.
Bit 0 = reserved.
A-23