Comtech EF Data SDM-2020 - Manual (Page 74)

SDM-2020 Satellite Modulator Revision 7
Front Panel Operation MN/SDM2020M.IOM
5-32
INTRFC LOOP THRU
OFF
This display shows the Interface Loop thru selection of either ON or OFF. Upon entry,
the current status of the mode type is displayed.
1 Press [ ↑] or [↓] to select an item.
2 Press to execute the change.
When ON is selected, input data is looped to the output of the terrestrial interface and
data continues into the modulator. This mode is indential to Interface Loopback specified
under the Configuration Interface menu; however, the yellow TEST MODE LED is not
illuminated. Conceptually, the data output is operating as a monitor point.
RTS TX-IF CNTRL
OFF
This display shows the status of RTS CONTROL either ON or OFF type. The RTS
CONTROL signal can be used to turn on or off the TX-IF output. Upon entry, the current
status of the mode type is displayed.
1 Press [ ↑] or [↓] to select an item.
2 Press to execute the change.
RTS STATE
NORMAL
This display shows the RTS selection of either NORMAL or INVERT. Upon entry, the
current status of the mode type is displayed.
1 Press [ ↑] or [↓] to select an item.
2 Press to execute the change.