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User Interfaces
Level:
AGC Voltage:
Eb/No:
SER:
CBER:
Error Count:
Offset Freq:
Event Buff:
Press Clr to Erase Events:
Voltages (menu):
+5 Volt:
+12 Volt:
-12 Volt:
Buffer Stat:
Press Clr to Center Buffer:
BER Exponent:
4.2.6 Alarms Menu Options and Parameters
Modem Alarms (menu):
Active Alrms (menu):
Major Tx (menu):
4-10
DMD2401 LB/ST L-Band Satellite Modem and ODU Driver
Estimated receive signal (in dBm) as seen by the
Demodulator.
(Optional Configuration)
Displays the voltage level of AGC present at Pin 5 of
the Alarm Connector (J6).
Estimated Eb/No as seen by the Demodulator.
Estimated channel error rate (before decoding)
measured by the modem.
-12
{0.00 x 10
}
Estimated corrected bit error rate (after decoding).
Displays the current error count from the Viterbi
Decoder.
The received carrier frequency offset as measured by
the modem.
A history of events recorded in the event buffer. A
maximum of 40 events may be stored in the buffer.
st
Upon receipt of the 41
automatically deleted, maintaining the last 40 events.
Clears the contents of the Event Buffer.
Displays the measured +5 VDC power bus inside the
modem.
Displays the measured +12 VDC power bus inside the
modem.
Displays the measured -12 VDC power bus inside the
modem.
{0 – 100%}
Displays the buffer % full status.
Centers the buffer.
{3 – 9}
Sets the time base for the channel error rate
measurement, used to estimate Eb/No.
Status
Edit Table
event, the first received event is
TM075 – Rev. 1.3
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