DMD15/DMD15L IBS/IDR Satellite Modem
User Interfaces
TM051 - Rev. 5.8
4-17
Event Buff:
Displays a history of events recorded in the event buffer.
A maximum of 40 events may be stored in the buffer.
Upon receipt of the 41
st
event, the first received event is
automatically deleted, and so on, maintaining the
maximum 40 events.
Press Clr to Erase Events:
Clears the contents of the Event Buffer.
Voltages (menu):
+5 Volt:
Displays the measured voltage of the +5 Volt power bus
located inside the modem.
+12 Volt:
Displays the measured voltage of the +12 Volt power bus
located inside the modem.
-12 Volt:
Displays the measured voltage of the -12 Volt power bus
located inside the modem.
Buffer:
Displays the status of the Doppler Buffer from 0 to 100%.
Press Clr to Center Buffer:
Causes Doppler Buffer to re-center.
BER Exponent:
{6 - 9}
Allows the user to set the time base for the Channel
Error Rate Measurement, used to estimate E
b
/N
o
.
4.3.7 Alarms Menu Options and Parameters
Active Alrms (menu):
Masking alarms may cause undesirable modem performance.
Major Tx (menu):
Status Edit
Table
TxuProc Mask:
{Pass/Fail, No/Yes}
Indicates a Hardware Transmit or DSP Failure within the
modem.
(Yes = Masked, No = Unmasked)
TxPower Mask:
{Pass/Fail, No/Yes}
Indicates that the Modem Tx Output Power is within
allowed tolerance. A solid indication indicates a
hardware or programming failure within the modem.
TxOSClk Mask:
{Pass/Fail, No/Yes}
Indicates that the TX Oversample Clock PLL is not
locked. This alarm will flash on during certain modem
Summary of Contents for DMD15
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