Comtech EF Data SDM-2020 - Manual (Page 70)

SDM-2020 Satellite Modulator Revision 7
Front Panel Operation MN/SDM2020M.IOM
5-28
5.6.8.1 FUNCTION SELECT:UTILITY:RS422
INTERFACE TYPE
RS-422
This status-only item displays RS422 or UNKNOWN. No changes can be made from this
menu. Use [
↑] or [↓]to select an interface type and press .
RS-422 INT SELECT
DVB (J3)
The display shows the RS422 interface type of DVB(J3) or 530 (J4). Upon entry, the
current status of the DVB type is displayed.
1 Press [ ↑] or [↓] to select an item.
2 Press to execute the change.
INTF MODE SELECT
SERIAL
Note: This item is valid only if DVB was selected from the RS422 INT SELECT menu.
The display shows the SERIAL or PARALLEL mode type. 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 TX-IF CNTRL
OFF
This display shows the status of RTS CONTROL (either ON or OFF). The RTS
CONTROL signal can be used to turn on or off the TX-IF output.
Upon entry, the current status of RTS is displayed.
1 Press [ ↑] or [↓] to select an item.
2 Press to execute the change.