1 What is Cat3 used for? - Category 3 is used in voice and data applications.

2 What does 6P4C and 6P6C mean? - The connectors are designated with two numbers that represent the quantity of positions and contacts. RJ11: 6P4C = 6 Position 4 Contacts – used for ADSL, Telephone, and Modems. RJ12: 6P6C = 6 Position 6 Contacts – used for multi-line and System phones.

3 Type of Face Plate? - Bulkhead face plates will have Cat3 on the front and Cat3 on the rear.