Specifications

DMD20/20LBST Universal Satellite Modem User Interfaces
MN-DMD20-20LBST Revision 14 4–29
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.
DROP CRC {Pass/Fail, Unmasked/Masked}
Indicates if the Circular Redundancy Check is passing in
PCM-30C and PCM-31C Modes
TX DVB FRM LOCK {Pass/Fail, Unmasked/Masked}
Indicates that Tx input data stream framing does not match the
user selected TX TERR FRAMING.
TX CLK SRC FALLBK {Pass/Fail, Unmasked/Masked}
Indicates that the clock resource has fallen.
TPC CONFLICT CHK {Pass/Fail, Unmasked/Masked}
Indicates that the TPC parameters are not configured correctly.
BUC PLL {Pass/Fail, Unmasked/Masked}
Indicates BUC PLL has failed. (Only available when FSK is
enabled)
BUC OVER TEMP {Pass/Fail, Unmasked/Masked}
Indicates that the temperature of the BUC is overtemperature.
(Only available when FSK is enabled)
BUC SUMMARY {Pass/Fail, Unmasked/Masked}
Indicates summary alarm. (Only available when FSK is enabled)
BUC OUTPUT {Pass/Fail, Unmasked/Masked}
Indicates that there is no output from the BUC. (Only available
when FSK is enabled)
FSK COMMS {Pass/Fail, Unmasked/Masked}
Indicates that the modem has lost communications with the BUC