• The KX-TD 180 is an 4 Co line Module.
• Allows for 4 more the addition of Analog CO Lines.
• For use with the Pansonic KX-TD816 ( max 1 ) and KXTD1232 (max 1 ) phone systems.   
• KX-TD1232 – Expandable to 12 Lines and 32 Stations (64 station max, with XDP) in one cabinet; 24 lines and 64 stations (128 station max, with XDP) with the addition of a second cabinet (KX-TD1232-3) connected by the Interconnect Kit
• Supports Caller ID

Required when expanding a KX-TD816 or KX-TD1232 digital phone system in order to add more central office telephine. The KX-TD1232 Control Unit will support up to (1) KX-TD170 Modules and the KX-TD816 Control Unit will support (1) KX-TD180 Module.