- 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 stations. The KX-TD1232 Control Unit will support up to (2) KX-
TD170 Modules and the KX-TD816 Control Unit will support (1) KX-TD170 Module.