9 Port Phone Expansion Module - This 1x9 Phone Circuit Board Connector keeps phone line distribution organized.9 Port Phone Expansion Module features include: Bridges up to 4 telephone lines to 9 locations Connect up to 9 separate phones per line Circuit board module, 4-pair 110-type IDC punchdowns The first 110 connection is terminated to the demarcation point from the service provider Order Qty of 1 = 1 Piece Below is more info on our 9 Port Phone Expansion Module