Voice/Data Expansion Module - Data Voice Expansion Module for professional distribution of phone lines.Voice/Data Expansion Module features include: Bridges up to 4 telephone lines to 11 locations Printed circuit board module One incoming 4-pair 110-type IDC punchdown and 11 outgoing RJ-45 jack connections Combine with a Category 5E board to route telephone to remote locations Order Qty of 1 = 1 Piece Below is more info on our Voice/Data Expansion Module