Comtech EF Data CDM-570L Installation And Operation Manual page 158

CDM-570/570L Satellite Modem with Optional IP Module
Front Panel Operation
If the user selects Active, then a Receive Traffic fault will be generated
whenever the demodulator sees that the composite input level being
applied will cause compression in the IF stages, and hence degrade the
performance of the demodulator.
Similarly, the user can mask an Eb/No, Receive AIS or Buffer alarm.
If the user selects Masked, no alarm will be generated.
If Reference is selected the following sub-menu will be displayed:
Reference Alarm:
Masked (◄ ►,ENT)
Active
Select Active or Masked, using the ◄ ► arrow keys, then press ENTER.
If the user selects Active, then a Transmit Traffic fault will be generated
whenever the unit sees that a) External Reference is selected and b) there
is no signal activity at the external reference port. If the user selects
Masked, no alarm will be generated.
If BUC is selected the following sub-menu will be displayed:
BUC Alarm:
Masked (◄ ►,ENT)
Active
Select Active or Masked, using the ◄ ► arrow keys, then press ENTER.
If the user selects Masked, no alarm will be generated.
If LNB is selected the following sub-menu will be displayed:
LNB Alarm:
Masked (◄ ►,ENT)
Active
Select Active or Masked, using the ◄ ► arrow keys, then press ENTER.
If the user selects Masked, no alarm will be generated.
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Revision 4
MN/CDM570L.IOM