Comtech EF Data CDM-710 Installation And Operation Manual page 135

CDM-710/L Broadcast Satellite Modem
Front Panel Operation
• For the CDM-710L (L-Band), you may configure a frequency range from
950 to 2000 MHz, in 100 Hz steps.
CAUTION
The bandwidth of the demodulated Rx carrier must stay within the IF
frequency range. If your setting falls outside the permitted range, the
modem disallows the configuration.
(Config:) Rx:  Eb/No
Use the arrow keys to select Threshold, Alarm/Fault, or Masked. Press
 
ENTER.
(Config:) Rx:  Eb/No  Threshold
The range of E /N alarm point values is from 0.1 to 16.0 dB. If the E
b 0
below the selected value, the unit generates a receive traffic fault.
To edit the Threshold: Use the   arrow keys to select the digit to edit, and
then use the  arrow keys to change that digit. Press ENTER.
(Config:) Rx:  Eb/No  Alarm/Fault
Use the   arrow keys to define the E
(this choice affects operation under 1:1 redundancy) to completely Mask the
alarm. Press ENTER.
Eb/No Alarm: Threshold
Alarm/Fault
Eb/No Alarm Threshold:
2.0 dB Masked
Eb/No Alarm:
Alarm Fault Mask
/N
b
7–29
(E)
(▲ ▼E)
(E)
Alarm as an Alarm, as a Fault, or
0
MN/CDM710.IOM
Revision 12
/N falls
b 0