Comtech EF Data DMD1050 User Manual
Page 134
DMD1050 Satellite Modem Board
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MN-DMD1050
7–40
Revision 9
solid indication points toward a configuration problem within the
modem.
Ethernet WAN:
{Pass/Fail, Unmasked/Masked}
Indicates that the interface card is faulted and will not pass data
(displays only when the Ethernet Card is installed and the
Ethernet Interface is selected).
MINOR ALARMS
Buffer Underflow:
{Pass/Fail, Unmasked/Masked}
Indicates that a Doppler Buffer underflow has occurred.
Buff Near Empty:
{Pass/Fail, Unmasked/Masked}
Indicates that the Doppler Buffer is about to underflow.
Buff Near Full:
{Pass/Fail, Unmasked/Masked}
Indicates that the Doppler Buffer is about to overflow.
Buffer Overflow:
{Pass/Fail, Unmasked/Masked}
Indicates that a Doppler Buffer overflow has occurred.
Rx Data Activity:
{Pass/Fail, Unmasked/Masked}
Indicates that there is no Rx Data activity.
Satellite AIS:
{Pass/Fail, Unmasked/Masked}
Indicates that AIS has been detected in the receive satellite data
stream.
IFEC Lock:
{Pass/Fail, Unmasked/Masked}
Indicates that the Framing Unit is unable to find the expected
framing pattern.
OFEC Lock
:
{Pass/Fail, Unmasked/Masked}
Indicates that the Reed-Solomon Decoder is not locked.
Interleaver:
{Pass/Fail, Unmasked/Masked}
Indicates that the Reed Solomon Interleaver is not synchronized.
RS Uncorr. Word:
{Pass/Fail, Unmasked/Masked}
Indicates status of the Reed Solomon uncoded word fault.
Ebno:
{Pass/Fail, Unmasked/Masked}
Indicates that the Eb/No is outside of limits.
Rx Level:
{Pass/Fail, Unmasked/Masked}
Indicates if Rx level is below allowable limits.
IBS BER:
{Pass/Fail, Unmasked/Masked}
Indicates that there are more than one in 1000 bits in error in IBS
Mode.
DVB Frame Lock:
{Pass/Fail, Unmasked/Masked}
Indicates that the Rx Satellite Data Stream Framing is not DVB.