The Panasonic KX-TDA6111XJ is an auxiliary board designed for connecting the second and third expansion blocks (Panasonic KX-TDA620) to the main control unit (Panasonic KX-TDA600).
Purpose: The KX-TDA6111XJ is essential for linking the second and third expansion blocks (KX-TDA620) to the main control unit (KX-TDA600).
Installation: It is installed on the KX-TDA6110XJ board, which is already in the main KX-TDA600 unit.
Maximum Quantity: You can have up to two KX-TDA6111 boards in the KX-TDA600 system.