- Expansion module for KX-TD1232 or KX-TD816 Digital Hybrid Phone System
Required when expanding a KX-TD816 or KX-TD1232 digital phone system in order
to add more CO lines (telephone lines). The KX-TD1232 Control Unit will
support up to (2) KX-TD180 Modules and the KX-TD816 Control Unit will support
(1) KX-TD180 Module.