Sennheiser Yealink EHS 40 Setup

Updated by Hayden Everly on Sep 1, 2023

What is in the box:

  • Yealink adapter box that has a USB cord coming out of it
  • 1 Sennheiser Y-cord ( has 1 RJ45 on one end and 2 cords (RJ45/RJ9) on the other
  • 1 Plantronics Y-cord (has RJ45/3.5mm on one end and 2 cords (RJ45/RJ9) on the other
  • 1 Jabra Y-cord (has RJ45/RJ9 on each end)

  1. Connect the bottom of the y-cord into the green phone port in the back of the cube
  2. Connect RJ45 and RJ9 end of the y-cord into the 2 available slots in the Yealink adapter box
  3. Plug the USB cord coming out of the adapter box into the USB port in the phone
  4. Set compat to A and move dipswitch #1 down in the back of the cube

Sennheiser OfficeRunner setup with Yealink EHS40 adapter

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What is Headset Answers?

This is the internal support database for Headsets.com. We manufacture and sell office headsets in North America. With over 25 years' experience in the business, we know headsets.

Please use our support database for free headset support, whether you’re a Customer of ours (or not). If you have problems, suggestions, or unanswered questions, please email us at hello@headsets.com (compliments also welcomed 😀)

Looking for office headsets in the UK? Check out Headsets.co.uk.

Questions/comments?