Comtech EF Data DMD1050TS - Page 179

DMD1050TS Satellite Modem Board
Revision 1
Web Browser 7–57 MN-DMD1050TS
Alarms | Receive Page
Frame Lock • Current
• Latched
• Masked (checkmark)
• Unmasked (no check)
This shows if the Framing Unit cannot find the expected
framing pattern.
MFramelock
•
Current
• Latched
• Masked (checkmark)
• Unmasked (no check)
This alarm flashes during certain modem parameter
changes. A steady glow means a problem exists with the
incoming clock to the modem (SCTE).
LB Synth PLL
• Current
• Latched
• Masked (checkmark)
• Unmasked (no check)
This shows if the Rx L-Band Synthesizer is not locked. This
alarm flashes during certain modem parameter changes. A
steady glow means a configuration problem exists in the
modem.
Ethernet WAN
•
Current
• Latched
• Masked (checkmark)
• Unmasked (no check)
This shows if the interface card is faulted and is not passing
data. It glows only when the Ethernet Card is installed and
the Ethernet Interface is selected.
MINOR ALARMS
Buffer Underflow
• Current
• Latched
• Masked (checkmark)
• Unmasked (no check)
This shows if a Doppler Buffer underflow has occurred.
Buff Near Empty • Current
• Latched
• Masked (checkmark)
• Unmasked (no check)
This shows if the Doppler Buffer is about to underflow.
Buff Near Full
•
Current
• Latched
• Masked (checkmark)
• Unmasked (no check)
This shows if the Doppler Buffer is about to overflow.
Buffer Overflow • Current
• Latched
• Masked (checkmark)
• Unmasked (no check)
This shows if a Doppler Buffer overflow has occurred.
Data Activity
•
Current
• Latched
• Masked (checkmark)
• Unmasked (no check)
This shows if there is no Rx Data activity.
Satellite AIS
• Current
• Latched
• Masked (checkmark)
• Unmasked (no check)
This shows if AIS has been detected in the receive satellite
data stream.