KX-TDA0181 16 Port Loop Start CO Trunk Card
16 ports per card. 4 ports have power failure transfer. 1 card requires 1 free slot. Up to 2 optional (KX-TDA0193) 8 port Caller ID card can be mounted to support Caller ID.
Compatible with KX-TDA100, KX-TDA200, KX-TDE100, and KX-TDE200.
Compatible with KX-TDA100, KX-TDA200, KX-TDE100, and KX-TDE200.