Dmd2050E Clocking Options; Clock Selection; Figure 3-7. Loopback Functional Block Diagram - Comtech EF Data DMD-2050E Installation And Operation Manual

DMD2050E Universal Satellite Modem
3.5

DMD2050E Clocking Options

The following paragraphs define the types of clocking options available to the user at the Front
Panel of the DMD2050E. Refer to Figure 3-8 for clocking and polarity.
3.5.1

Clock Selection

The modem supports a number of different clocking options that can be recovered from the
satellite or the terrestrial links. The various clocking options allow users to determine which clock
will best fit their applications. Figure 3-7 gives an overview on how the modem processes the
various clocks for the Tx Clock source and the Rx Buffer Clock source. Tx and Rx Clocks may be
independently locked.
MN-DMD2050E Revision 2

Figure 3-7. Loopback Functional Block Diagram

Theory of Operation
3–13