- BUS-ME Card Compatible with the KX-TDA 600 & KX-TDE600 Optional shelf expansion card.
- Mounts on the KX-TDA6110 BUS-M card. Required to connect second and third expansion shelves
KX-TDA620 to the basic shelf KX-TDA&E600 Bus cables included with card.
- On card required per expansion shelf.
- Compatible with KX-TDE600 and KX-TDA600 Panasonic Phone Systems