Comtech EF Data CDM-710G, Installation And Operation Manual

Page: 97 / 246

CDM-710G High-Speed Satellite Modem Revision 1
Front Panel Operation MN-CDM710G
6–21
(CONFIG:) Rx
Æ
Eb/No
Eb/No Alarm: Threshold
Alarm/Fault (
E)
Select Threshold, Alarm/Fault , or Masked using the
W X
arrow keys, then press
ENTER
.
If Eb/No Alarm:
Æ
Threshold is selected:
Eb/No Alarm Threshold:
2.0 dB Masked (
▲ ▼ E)
The range of Eb/No alarm point values is from 0.1 to 16.0 dB. If the Eb/No falls below the
selected value, a receive traffic fault is generated.
To edit the threshold, use the
W X
arrow keys to select the digit to be edited, then use the ▲ ▼
arrow keys to change the value of the digit. Press
ENTER
when done.
If Eb/No Alarm: Æ Alarm/Fault is selected:
Eb/No Alarm:
Alarm Fault Mask (
E)
The available choices define the Eb/No Alarm as an Alarm , as a Fault , or to completely Mask
the alarm. This choice affects operation in 1:1 redundancy. Select Alarm, Fault , or Masked
using the
W X
arrow keys, then press
ENTER
.
(CONFIG:) Rx
Æ
PLL
Carrier PLL Bandwidth:
1x 2x (
E)
This selection is sometimes useful when high phase noise is present. 1x is the normal operating mode.
Select 1x or 2x using the
W X
arrow keys, then press
ENTER
.