The Panasonic KX-TDA0181 16-Port Loop Start CO Trunk Card adds sixteen loop start CO lines to your Panasonic PBX system and includes four built-in power failure transfer ports for added reliability during outages. Designed for the KX-TDA and KX-TDE series systems, it also supports optional caller ID cards for enhanced functionality.

• Expands your system with 16 loop start CO trunk line ports

• Includes 4 ports with built-in power failure transfer support

• Supports up to 2 optional 8-port caller ID cards (KX-TDA0193)

• Requires one free slot in the system chassis

• Compatible with Panasonic KX-TDA100/200 and KX-TDE100/200 PBX systems