Comtech EF Data DM240XR User Manual
Page 28
DM240XR High-Speed Digital Modulator
User Interfaces
MN-DM240XR– Revision 13
4–6
RFSWITCH:
{PRIME, BACKUP}
{OFFLINE, ONLINE}
The RF Switch menu options are available only when RF
Redundancy Switch (RRS11/STS11) is installed. The first status
line indicates the side of the RF switch that the DM240XR is
attached (prime or backup). The second status line indicates if
the output of the DM240XR is the active output of the RF switch
(online) or inactive (offline).
Prime Mode: Indicates the unit is configure as the primary
modulator
Backup Mode: Indicates the unit is configured as the backup
modulator
Offline Mode: Indicates the unit is in the offline state
Online Mode: Indicates the unit is in an online state. When unit
is configured as a standalone unit, the menu will reflect
"ONLINE" status.
MONITOR
ALARMS
SYSTEM
TEST
4.3.2 Modulator Menu Options and Parameters
NETWORK SPEC:
{DVB-S, DTV, DVB-S2-CCM, DVB-S2-ACM,
DTV-AMC-NBC}
Indicates the network specification to which the unit
configuration adheres.
RF ( MHz):
Frequency Selection in 1 Hz increments:
50 MHz to 90 MHz
100 MHz to 180 MHz
950 MHz to 2050 MHz
Displays the desired output frequency range. If user is using an
L-Band platform and prefers to display the Satellite Uplink
Frequency, then they can configure the following menus.
IF ( MHz):
{950 MHz to 2050 MHz}
Enter the desired modem L-Band output frequency in order to
display the correct RF output frequency to the satellite. Only