Minor Tx Alarms - Comtech EF Data DMD-2050E Installation And Operation Manual

DMD2050E Univeral Satellite Modem
Alarm
INPUT LVL THRESH
FRAME LOCK
MULTIFRAME LOCK
LB SYNTH PLL
IF SYNTH PLL
Forced Alarm
Ethernet WAN
6.3.3

Minor Tx Alarms

Alarm
TERR CLK ACT
TERR DATA ACT
TX TERR AIS
DnI FRAME LOCK
DnI M-FRAME LOCK
DROP CRC
TX DVB FRAME LOCK
TX CLK SRC FALLBK
MN-DMD2050E Revision 2
Description
Indicates the Rx level has fallen below the input threshold level.
The Framing Unit cannot find the expected framing pattern.
The Framing Unit cannot find the expected framing pattern.
The Rx L-Band Synthesizer is not locked. This alarm flashes on
during certain parameter changes. If the alarm is on constantly,
there is a configuration problem within the modem.
The Rx IF Synthesizer is not locked. This alarm flashes on
during certain parameter changes. If the alarm is on constantly,
there is a configuration problem within the modem
Allows the user to disable or enable forcing of the Rx summary
alarm.
The WAN Port is not operating.
Description
No Terrestrial Clock activity exists.
No Tx Data activity exists.
AIS is found in the Tx Data Stream.
In Drop Mode, the framing unit cannot find the exported
terrestrial framing pattern.
In Drop Mode, the framing unit cannot find the exported
terrestrial framing pattern.
Indicates if the Circular Redundancy Check is passing in PCM-
30C and PCM-31C Modes
The Tx Input Data Stream Framing does not match the
selected Tx Terr Framing. An incorrect Tx Terr Framing is
selected. Incorrectly framed The Tx Input Data Stream is
framed incorrectly.
Indicates that the clock resource has fallen.
Maintenance and Troubleshooting
Status
{Pass/Fail,
Marked/Unmarked}
{Pass/Fail,
Unmasked/Masked}
{Pass/Fail,
Unmasked/Masked}
{Pass/Fail,
Unmasked/Masked}
{Pass/Fail,
Unmasked/Masked}
{DISABLED,
ENABLED}
{Pass/Fail,
Unmasked/Masked}
Status
{Pass/Fail,
Unmasked/Masked}
{Pass/Fail,
Unmasked/Masked}
{Pass/Fail,
Unmasked/Masked}
{Pass/Fail,
Unmasked/Masked}
{Pass/Fail,
Unmasked/Masked}
{Pass/Fail,
Unmasked/Masked}
{Pass/Fail,
Unmasked/Masked}
{Pass/Fail,
Unmasked/Masked}
6–4