Comtech EF Data SNM-1000 - Manual (Page 51)

SNM-1000 Node Control Modem Revision 3
Operation MN/SNM1000.IOM
3–9
3.4.1.1.8 MODULATOR:MODEM REFERENCE
MODEM REFERENCE
INTERNAL
Displays the following references to the modulator:
• INTERNAL
• EXT1, EXT5, EXT10 and EXT20 MHz EXT REF (CP3)
Note: If any EXT REF is selected for the modem reference and there is no input to CP3,
the modem will detect an alarm and switch to the INTERNAL clock.
Upon entry, the current modem reference is displayed with the flashing cursor on the first
character. Press [
↑ ] or [↓ ] change the modem reference. Press <ENTER> to execute the
change.
3.4.1.2 CONFIGURATION:DEMODULATOR
CONFIGURATION
DEMODULATOR
3.4.1.2.1 DEMODULATOR:CODE RATE/TYPE
RX-X QPSK 1/2
19.200 kbps
Receive code rate/type as follows:
RX-A QPSK 1/2 19.200 kbps
RX-B QPSK 1/2 19.200 kbps
RX-C QPSK 1/2 19.200 kbps
RX-D QPSK 1/2 19.200 kbps
RX-V QPSK 1/2 19.200 kbps
Upon entry, the current transmitter rate is displayed. Press [
↑ ] or [↓ ] change the
assigned filter. Press <ENTER> to execute the change.