The Panasonic KX-TDA5172 is an 8-port digital extension card (DLC8) that has 8 ports per card. The card supports KX-T7600, KX-T7400 KX-T7200 series telephones, DSS console, (KX-T0141) 2 port cell station and voice mail. The Panasonic KX-TDA5172 is expandable to maximum two cards per system.
8 Station Digital Expansion Card
Add 8 Extensions / User Endpoints