Comtech EF Data VMS v3.12.x Vipersat - Manual (Page 286)

Devices MN/22156, rev 12
4-68 VMS User Guide
Enabling this parameter will recover the randomized data stream transmitted
from a Remote that has the Scrambler feature enabled. This function creates
energy dispersal of the carrier signal to realize coding gain for the receiver,
such as when there is no traffic being passed and power is concentrated in a
narrow frequency band.
Rx Terminal Mix
The Terminal Mix polarity for the received signal can be set per site
requirements:
• [+] indicates a high side, inverting mix (default)
• [–] indicates a low side, non-inverting mix
Acquisition Range
The frequency Acquisition Range (to acquire signal lock) for the Hub demod
can be specified with this setting. The maximum range depends on the
symbol rate. Default is 10 kHz.
Eb/N0 Alarm Point
The receive E
b
/N
0
level that will generate an alarm condition for this Hub
demod can be set with this parameter.
Valid range is 0.1–16.0 dB. Default is 0 (disabled).
Devices | LNB
This menu item appears for CDM-840 units only.
Click on the LNB menu item to configure the Remote Downconverter settings
(figure 4-43).