If you cannot find any info in our knowledge base for the JVC CCU that you are using
You can contact JVC tech support directly
EMEA and USAtechnical support contacts at JVC Professional for questions concerninginterfacing the ClearCom matrix and Partyline systems to JVC camera CCUs (4wireand 2wire mode).
EMEA Hanish Shah <email@example.com
USA Matt Barrett <firstname.lastname@example.org