Operating instructions

User Interfaces DMD50 Universal Satellite Modem
4-24 TM118 – Rev. 1.1
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).
FORCED ALARM {DISABLED, ENABLED}
Allows user to disable or enable forcing of a Tx
Summary Alarm.
TX MINOR (menu)
TERR CLK ACT {Pass/Fail, Unmasked/Masked}
Indicates no Terrestrial Clock activity.
TERR DATA ACT {Pass/Fail, Unmasked/Masked}
Indicates no Tx Data activity.
TX TERR AIS {Pass/Fail, Unmasked/Masked}
Indicates that AIS has been detected in the Tx Data
Stream.
DnI FRAME LOCK {Pass/Fail, Unmasked/Masked}
Indicates the framing unit is unable to find the expected
terrestrial framing pattern.
DnI M-FRAME LOCK {Pass/Fail, Unmasked/Masked}
Indicates the framing unit is unable to find the expected
inter-frame pattern.
TX DVB FRM LOCK {Pass/Fail, Unmasked/Masked}
Indicates that Tx input data stream framing does not
match the user selected TX TERR FRAMING.
RX MAJOR (menu)
FPGA CFG {Pass/Fail, Unmasked/Masked}
Indicates a receive FPGA hardware failure.
DSP CFG {Pass/Fail, Unmasked/Masked}
Indicates a receive DSP failure.
SIGNAL LOCK {Pass/Fail, Unmasked/Masked}
Indicates that the demod is unable to lock to a signal.
INPUT LVL THRESH {Pass/Fail, Unmasked/Masked}
Indicates Rx signal level has fallen below input
threshold.
FRAME LOCK {Pass/Fail, Unmasked/Masked}
Indicates that the Framing Unit is unable to find the
expected framing pattern.
MULTIFRAME LOCK {Pass/Fail, Unmasked/Masked}
This alarm will flash on during certain modem parameter
changes. A solid indication points toward a problem with
the incoming clock to the modem (SCTE).