Comtech EF Data CDM-550T - Manual (Page 59)

CDM-550T Satellite Modem Revision 3
Front Panel Operation MN/CDM550T.IOM
6.2.3.5.2 (CONFIG:MASK) Eb/No
Select either ACTIVE or MASKED, using the [
←] [→] arrow keys, then press ENTER.
If the user selects ACTIVE, then a Receive Traffic fault will be generated whenever the
demodulator determines that the Eb/No of the received carrier has fallen below the threshold
defined under CONFIG: RX, Eb/No.
If the user selects MASKED, no alarm will be generated.
SELECT Eb/No ALARM MASK:
ACTIVE MASKED(PRESS ENT)
6.2.3.5.3 (CONFIG: MASK) RX-AIS
Select either ACTIVE or MASKED, using the [
←] [→] arrow keys, then press ENTER.
If the user selects ACTIVE, then a Receive Traffic fault will be generated whenever the
demodulator senses that the ‘all 1’s” condition is present in the receive data.
If the user selects MASKED, no alarm will be generated.
SEL RX-AIS ALARM MASK:
ACTIVE MASKED(PRESS ENT)
6.2.3.5.4 (CONFIG: MASK) BUF-SLIP (Buffer slip)
Select either ACTIVE or MASKED, using the [
←] [→] arrow keys, then press ENTER.
If the user selects ACTIVE, then a Receive Traffic fault will be generated whenever the receive
circuitry senses that the buffer has either underflowed, or overflowed.
If the user selects MASKED, no alarm will be generated.
SEL BUF-SLIP ALARM MASK:
ACTIVE MASKED(PRESS ENT)
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