Plantronics 202678-01 signal cable

Electronic Hook Switch Cable for CS500/CS500 XD & Mitel 6867/Mitel 6869 Electronic Hook Switch Cable for PC connectivity with CS500/CS500 XD Series.

Extend the wireless freedom of DECT and 900 MHz headsets to your UC system and manage softphone calls with any CS500 Series or CS500 XD Series headset. The APU-75 provides PC connectivity with one-touch call control across a wide array of softphones.* The APU-75 provides plug and play compatibility with Microsoft Skype for Business.

This cable also works with Mitel 6867 and Mitel 6869 desk phones and may work with additional manufacturers.