Comtech EF Data SDM-300A User Manual

Page 124

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SDM-300A Satellite Modem

Revision 6

Front Panel Operation

MN/SDM300A.IOM

5–30

FUNCTION SELECT: CONFIGURATION: INTERFACE: RX DATA
FAULT (CONDITIONAL)

RX DATA FAULT

NONE

IMPORTANT

Conditional: This command is only available when the overhead
interface PCB is installed.

Receive data fault. Select a receive interface fault monitor of NONE, AIS, or DATA.
The data monitored for RX data is coming from the satellite.

NONE

The receive interface fault Data/AIS is not activated.

ALARM INDICATION SIGNAL (AIS)

Sets receive interface fault Data/AIS to monitor a fault condition of all 1s from
customer data input to the modem.

DATA

Sets receive interface fault Data/AIS to monitor a fault condition of all 1s or 0s. This
is referred to as a data-stable condition, which means that the data is not
transitioning.

FUNCTION SELECT: CONFIGURATION: INTERFACE:
TX 2047 PATTERN (CONDITIONAL)

TX 2047 PATTERN

OFF

IMPORTANT

Conditional: This command is only available when the overhead
interface PCB is installed.

This is a Test Mode.


Programs the transmitter to On or off to insert a 2047 pattern instead of the normal transmit
data. Upon entry, the current status is displayed. Press [

↑] or [↓] to make the selection. Press

[ENTER] to execute the change.

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