Owner`s manual

17
When connecting devices to the S/PDIF jacks on Mona, the use of standard
analog RCA audio cables is not recommended. For reliable S/PDIF
operation, 75-ohm coaxial (RG59) video cables are recommended.
Word Clock
Next to the S/PDIF ports are the
Word Clock
connectors. These connectors
allow you to synchronize one Mona to another Mona, Layla, Layla24, or to
other digital audio devices.
The word clock I/O uses a BNC connector. As with the S/PDIF I/O, a
shielded 75-ohm (RG-59) coaxial video cable should be used. BNC
connectors are widely used in the electronics industry for both video and
computer networking. However computer networks use 50-ohm (RG-58)
coaxial cables and not the 75-ohm (RG-59) cable used by video. For reliable
word clock operation, use only video grade cables with Mona.