CS500 Series: How to Set Up the Electronic Hookswitch (EHS) Cable (Video)
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NOTE: Before you can use your CS500 series system with an electronic hookswitch (EHS) cable, you must first connect your base to your desk phone.
Click here for the instructions.
Click on the image above to see a video on how to set up and use your CS500 series system with an EHS cable.
To set up the EHS cable: Connect one end of the EHS cable to the base and the other end to the desk phone.
TIP: For more specific setup instructions, search this knowledge base for the installation instructions for your EHS cable model.