What is the correct Pseudo IP Address for my reference clock?
As seen in Q: 6.1.1.1., the various drivers for reference clocks are selected using IP adresses. Such an IP address consists of four bytes that are separated by a dot.[1] The individual bytes are: 127, 127, Clock Type, Unit Number File refclock.htm from the software distribution (see Q: 4.3.2.1.) lists the supported clock types. Usually it does not make sense, but if you want to connect more than one clock of a type, you can do so by using different unit numbers. The driver maps these unit numbers to one or more device files. The exact name of the device file can be found in the description of the individual reference clock’s driver (drivern.htm).