Panasonic KX-TDA0171 ***REFURBISHED*** 8-Port Digital Extension Card DLC8Good Condition8-Port Digital Line Card (DLC8)Supports T7600 and T7400 series (DPT) telephones, DSS consoles and KX-T0141 cell stationRequires 1 free slotUse with KX-TDA100, KX-TDA200, KX-TDA600, KX-TDE100, KX-TDE200, KX-TD..