Comtech EF Data MDX420 SkyWire Manual - Manual (Page 78)

MDX420 SkyWire™ Satellite Network Gateway SkyWire Controller (GUI)
MN-MDX420 Revision 6 7–22
7.4.6 Configure Alarms
Demod Alarms: To view the detailed alarms of the burst demodulator(s), select the tab for the
Demod 1-4. The Detailed Alarms screen for the selected burst demodulator (Figure 7.4.6-1) will
be displayed.
Figure 7.4.6-1 Detailed Alarams
 Major
Alarms:
o Demod FPGA Indicates a receive FPGA hardware failure.
o Decoder FPGA Indicates a decoder failure.
o Tuner PLL Indicates that the Rx L-Band Synthesizer is not locked. This alarm will
flash on during certain gateway parameter changes. A solid indication points toward a
configuration problem within the gateway.
o Signal Lock Indicates that the burst demodulator is unable to lock to a signal.
 Minor
Alarms:
o IFEC Lock Reserved for future use.
o Frame Lock Indicates that the Framing Unit is unable to find the expected framing
pattern.
o EsNo Indicates Rx signal quality fallen below input threshold.
o Carrier Level Indicates Rx signal level has fallen below input threshold.
o Test Pattern Sync Reserved for future use
o Carrier Level Cal The gateway has not been properly calibrated.
Modulator Alarms: To view the detailed alarms of the modulator, select the Mod tab. The
Detailed Alarms screen for the modulator (Figure 7.4.6-2) will be displayed.