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OM20 Universal Outdoor Modem
LB Synth PLL:
LNB Current:
LNB Voltage:
Ethernet WAN:
MINOR ALARMS
Buffer Underflow:
Buff Near Empty:
Buff Near Full:
Buffer Overflow:
Rx Data Activity:
Satellite AIS:
DnI Frame Lock:
DnI MFrame Lock:
Insert CRC:
T1/E1 Signaling:
TM116 – Rev. 1.2
{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 solid indication points toward a configuration
problem within the modem.
{Pass/Fail, Unmasked/Masked}
Indicates that current is either below or above the
threshold limits of the LNB, as specified by the OM20.
Only active when LNB Voltage is enabled.
{Pass/Fail, Unmasked/Masked}
Indicates that voltage is not functioning correctly when
voltage is enabled.
{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).
{Pass/Fail, Unmasked/Masked}
Indicates that a Doppler Buffer underflow has occurred.
{Pass/Fail, Unmasked/Masked}
Indicates that the Doppler Buffer is about to underflow.
{Pass/Fail, Unmasked/Masked}
Indicates that the Doppler Buffer is about to overflow.
{Pass/Fail, Unmasked/Masked}
Indicates that a Doppler Buffer overflow has occurred.
{Pass/Fail, Unmasked/Masked}
Indicates that there is no Rx Data activity.
{Pass/Fail, Unmasked/Masked}
Indicates that AIS has been detected in the receive
satellite data stream.
{Pass/Fail, Unmasked/Masked}
Indicates if drop/insert data is frame locked.
{Pass/Fail, Unmasked/Masked}
Indicates if drop/insert data has multiframe lock.
{Pass/Fail, Unmasked/Masked}
Indicates if the Circular Redundancy Check is passing in
PCM-30C and PCM-31C Modes.
{Pass/Fail, Unmasked/Masked}
Indicates that the Framing Unit is unable to find the
expected framing pattern.
Web Browser/Remote Protocol
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