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6 function select:utility:smpte 310m – Comtech EF Data SDM-2020 User Manual

Page 79

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SDM-2020 Satellite Modulator

Revision 7

Front Panel Operation

MN/SDM2020M.IOM

5-37

5.6.8.6

FUNCTION SELECT:UTILITY:SMPTE 310M

INTERFACE TYPE

SMPTE–310M

This status-only item displays SMPTE-310M or UNKNOWN. No changes can be made
from this menu. Use [

↑] or [↓]to select an interface type and press .

INTRFC LOOP THRU

OFF

This display shows the Interface Loop Thru either in ON or OFF position. 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 on the
front panel is not illuminated. Conceptually, the data output is operating as a monitor
point.

RTS TX-IF CNTRL

OFF

This display shows the RTS TX-IF Control is 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.