- Designed for use with network servers Panasonic KX-NS500 and their extensions KX-NS520.
- Allows connection of an additional 16 internal digital lines (max. 66 lines with four cards)
- In one card can connect up to 24 DPT, consoles and systems KX-DT3xx or KX-DT5xx, cell stations DECT KX-TDA0155 or KX-TDA0158.
Panasonic KX-NS5172 16-Port Digital Extension Card