Tx Clock Source - Comtech EF Data SNM-1001L Installation And Operation Manual

SNM-1001L Satellite Modem
Front Panel Operation
4.3.1.3 FUNCTION SELECT: CONFIGURATION INTERFACE
Press <ENTER > to review or edit the following sub-menus.
FUNCTION SELECT: CONFIGURATION: INTERFACE:

TX CLOCK SOURCE

Programs the clock source for the modem transmitter clock to the following
configurations:
TX TERRESTRIAL
SCT (INTERNAL)
EXT. CLOCK/DATA CLOCK
Upon entry, the current transmit clock setting is displayed. Press [↑] or [↓] to make the selection.
Press <ENTER> to execute the change.
CONFIGURATION
INTERFACE
TX CLOCK SOURCE
TX TERRESTRIAL
Sets the TX clock to recover timing from the incoming clock/data.
Sets the TX clock to operate from the modem internal clock (this is
also the fallback clock).
Note: When loop timing is enabled, SCT (LOOP) is displayed
instead of SCT (INTERNAL).
Sets the TX clock to operate from the external reference clock (Ext
Clock).
TX Data Rate and Ext Clock frequency shall match or unless the
ASLT option is installed. The correct frequency must be
programmed into EXT-CLK FREQ.
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MN/SNM1001L.IOM