Comtech EF Data SNM-1000 User Manual
Page 54

SNM-1000 Node Control Modem
Revision 3
Operation
MN/SNM1000.IOM
3–12
3.4.1.2.10 DEMODULATOR:REACQUISITION
REACQUISITION
0 SECONDS
 
Displays the sweep reacquisition mode time duration. This is the time that the modem 
will remain in a narrow sweep after loss of acquisition. After this timer runs out, the 
modem will return to the normal acquisition sweep. The reacquisition time is 0 to 999 
seconds. Default: 0 seconds. 
3.4.1.3 CONFIGURATION:INTERFACE
CONFIGURATION
INTERFACE
3.4.1.3.1
INTERFACE:TX CLOCK SOURCE
TX CLOCK SOURCE
SCT (INTERNAL)
 
Programs the clock source for the modem transmitter clock to the following 
configurations: 
 
TX Terrestrial
Sets the TX clock to recover timing from the incoming clock/data. 
 
SCT (INTERNAL)
Sets the TX clock to operate from the modem internal clock (this also is the 
fallback clock). 
 
Note: When loop timing is enabled, SCT (LOOP) is displayed instead of 
SCT (INTERNAL). 
 
EXT CLOCK
Sets the TX clock to operate from the EXT-CLK clock. Transmit clock source 
must be phase/frequency locked to the data that is being transmitted. The 
correct frequency must be programmed into EXT-CLK FREQ. 
 
Upon entry, the current TX clock source is displayed. Press [
↑ ] or [↓ ] to make the
selection. Press 
 
 
 
 
