Summary Of Alarms And Faults (As Reported By Category) - Comtech EF Data CDM-710 Installation And Operation Manual

CDM-710/L Broadcast Satellite Modem
Front Panel Operation
(Monitor:) Alarms  Receive
This screen reports only if the Demod is unlocked; otherwise, it reports "No
Errors." Press ENTER or CLEAR to return to the previous menu.
(Monitor:) Alarms  Unit
This screen reports only if there are unit faults; otherwise, it reports "No Errors."
Press ENTER or CLEAR to return to the previous menu.
7.2.2.1.1 Summary of Alarms and Faults (As Reported By
Category)
Transmit (Modulator) Alarms and Faults
• Tx Clock Loss Slot 1 – A Transmit Clock is not present at Interface Slot 1.
• Tx Clock Loss Slot 2 – A Transmit Clock is not present at Interface Slot 2.
• GBEI Card DataRate > +200PPM – The data rate from the GBEI to the
modulator exceeds the nominal by >+200 ppm.
• GBEI Card DataRate > -200PPM – The data rate from the GBEI to the
modulator exceeds the nominal by ≥200 ppm.
• GBEI Card PHY Not Connected – Either the Ethernet cable is not
physically connected to the GBEI, or a cable fault exists.
• Tx AIS Interface 1 – Applies to the TX AIS Slot 1 (valid for G.703).
• Tx AIS Interface 2 – Applies to the TX AIS Slot 2 (valid for G.703).
• Tx Cable Interface 1 – Applies to the TX AIS Slot 1 cable.
• Tx Cable Interface 2 – Applies to the TX AIS Slot 2 cable.
• Encoder FIFO Empty – The Transmit Encoder FIFO is empty.
• Encoder FIFO Full – The Transmit Encoder FIFO is full.
• SERDES Parity Errors – Serializer/deserializer parity errors are detected.
RX Traffic:
Demod Unlocked
Unit Fault: No Errors
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MN/CDM710.IOM
Revision 12
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