Second generation Buttons will no longer work with the ClickShare CS(E) models after installation of the 1.8 firmware

Prior to ClickShare CS/CSE-series firmware 1.8, it was possible to: 

• Use 2^nd generation Buttons (R9861006D01) with the CS/CSE series Base Units. and
• Use 3^rd generation Buttons (R9861500D01 and R9861500D01C) with the CSM and CSE Base Units.

Since the firmware 1.8 release, this is no longer possible. 

The 2^nd generation Button has reached the end-of-life and has not been found to be secure enough to deliver the CS and CSE standards. This means they will no longer receive updates, meaning new functionalities will not be available and issues will not be solved and compatibility between these two generations has been disabled, meaning they can no longer be paired or used between generations.

The 2^nd generation Buttons were shipped and sold with CSC-1 and CSM-1 Base Units and can be recognized by looking at the layout & info on the sticker at the back. For details, see KB3998.

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• My CSM-1 or CSC-1 Buttons (R9861006D01) do not pair with my CS-100(H) CSE-200(+) and CSE-800