Marathon MAGNUM ROUTER - Manual (Page 108)

Chapter 9: Sample Configurations
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9-3
Below are several screen shots of the Magnum-A and Magnum-B’s configuration.
M1 Port Settings for both Magnum A and Magnum B
Here, the M1 port is configured to act as a Frame Relay NETWORK port (FR_Dedicated), but to
also act as a synchronizing port as well thus is it set for DCE. This means that the M1 port will
supply a clocking source of 128k for the attached Marathon.