Comtech EF Data SNM-1000 User Manual
Page 175
SNM-1000 Node Control Modem
Revision 3
Remote Control Operation
MN/SNM1000.IOM
A–27
Character f: Demodulator fault status character 3.
Bit 6 = 1 always.
Bit 5 = reserved.
Bit 4 = reserved.
Bit 3 = reserved.
Bit 2 = reserved.
Bit 1 = reserved.
Bit 0 = reserved.
Character g: Interface transmit side faults character 1.
Bit 6 = 1 always.
Bit 5 = reserved.
Bit 4 = reserved.
Bit 3 through Bit 0 = Binary representation (0 to 10) of the
number of interface transmit side stored faults.
Character h: Interface transmit side faults character 2.
Bit 6 = 1 always.
Bit 5 = Selected Transmit Clock Activity.
Bit 4 = reserved.
Bit 3 = reserved.
Bit 2 = reserved.
Bit 1 = reserved.
Bit 0 = reserved.
Note: In TX Burst mode only.
Character i: Interface receive side faults character 1.
Bit 6 = 1 always.
Bit 5 = reserved.
Bit 4 = reserved.
Bit 3 through Bit 0 = Binary representation (0 to 10) of the
number of interface receive side stored faults.
Character j: Interface receive side faults character 2.
Bit 6 = 1 always.
Bit 5 = Selected Buffer Clock Activity.
Bit 4 = Buffer Underflow.
Bit 3 = Buffer Overflow.
Bit 2 = reserved.
Bit 1 = reserved.
Bit 0 = reserved.
Note: In RX Continuous mode only.
Character k: Common equipment fault status character 1.
Bit 6 = 1 always.
Bit 5 = Monitor and Control Module.
Bit 4 = Interface Module.
Bit 3 through Bit 0 = Binary representation (0 to 10) of the
number of common equipment stored faults.
Character l: 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 = reserved.
Bit 0 = reserved.
Character m: Interface Reed-Solomon unavailable seconds.
Bit 6 = 1 always.
Bit 5 = not used.
Bit 4 = not used.
Bit 3 through Bit 0 = reserved.
Change
Status
Command:
Response:
This command indicates that a change has or has not occurred
on either the BCS_ or the BCSF_ response since the last BCS_