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DMD1050 Satellite Modem Board
Alarms / Receive Menu
MAJOR ALARMS
FPGA Config:
DSP Config:
Signal Lock:
Input Level;
Frame Lock:
MFramelock:
LB Synth PLL:
MN-DMD1050
Revision 9
Figure 7-23. Alarms / Receive Menu
{Pass/Fail, Unmasked/Masked}
Indicates a receive FPGA hardware failure.
{Pass/Fail, Unmasked/Masked}
Indicates a receive DSP failure.
{Pass/Fail, Unmasked/Masked}
Indicates that the demod is unable to lock to a signal.
{Pass/Fail, Unmasked/Masked}
Indicates Rx signal level has fallen below input threshold.
{Pass/Fail, Unmasked/Masked}
Indicates that the Framing Unit is unable to find the expected
framing pattern.
{Pass/Fail, Unmasked/Masked}
This alarm will flash on during certain modem parameter
changes. A solid indication points toward a problem with the
incoming clock to the modem (SCTE).
{Pass/Fail, Unmasked/Masked}
Indicates that the Rx L-Band Synthesizer is not locked. This
alarm will flash on during certain modem parameter changes. A
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