Plantronics CS540 Wireless Headset Setup WITHOUT Headset Port | Headset Advisor


There's multiple ways to set up your Plantronics CS540 or C054 wireless headset. Follow this guide if your desk phone doesn't have a HEADSET port or you're setting your headset up using the HL10 Lifter. For connectivity to your desk phone with a headset port, click here to follow the setup in that configuration.

Step 1

Plug one end of the Plantronics AC power adapter into a power outlet and plug the other end into your C054 charging base. plantronics cs540 AC power

Step 2

Plug one end of the included headset phone cord into the back of your C054 charging base. plantronics c054 phone cord

Step 3

Unplug your desk phone handset.

unplug handset

Step 4

Plug the other end of your Plantronics C054 phone cord into the HANDSET port of your corded desk phone.

c054 phone cord

Step 5

Connect your handset to the small square box on your Plantronics C054 phone cord. This allows you to still be able to use your desk phone handset when needed. c054 phone cord

Step 6- How to use your headset

A) Turn your headset on by pressing the silver button one time and releasing. turn c054 headset on B) To answer/end calls or dial out, remove your handset then hang the handset back on the base of your phone when done with the call. *In order to answer/end calls when away from your desk phone using your C054 wireless headset, you'll need the HL10 Lifter or EHS cable (highly recommended). Contact us today to verify compatibility. remove handset


*For other helpful setup guides visit the Plantronics CS540 headset setup resource center*


Now that your headset is set up, does everything work correctly and sound great? If not, refer to the suggestions below to help troubleshoot.


After making a test call, did you NOT hear a dial tone? If not, try the troubleshooting ideas below to help resolve this.

  1. Double check to make sure that you have everything connected as per the setup instructions. 
  2. Make sure that ALL cords are pushed in fully and have "snapped" into place. 
  3. Locate the compatibility switch and while on a call, move it to other positions until you hear a dial tone.


When making your test call, you may hear static. If you do, try the troubleshooting tips below.

  1. Locate the compatibility switch on the bottom of the charging base and while on a call, move it to the other positions until the static is cleared up.
  2. Try removing the battery from the headset earpiece. Once removed, wait for a minute and then reinstall the battery.
  3. If items 1 and 2 above don't work, try removing the battery and unplugging the power from the wall outlet. Wait for a minute and then reinstall the battery, place it into the charging cradle and then plug the AC Power Adapter back into the wall power outlet.


If you hear echo when on a call, the steps below should help to resolve this condition.

  1. Locate the volume adjustment on your TELEPHONE. Set this to about the midpoint (half way between high and low). 
  2. On the bottom of the charging base, locate the red dial that has an icon of a microphone. Set this on the number 2. 
  3. Make sure that the microphone tip is approximately two fingers width from the corner of your mouth. Having the microphone too close to your mouth can cause sound quality issues. 
  4. Try resetting your headset. This is done by removing the battery from the headset earpiece, unplugging the AC Power Adapter from the wall power outlet and then waiting

For a minute. Then, reinstall the battery, place the headset into the charging base and then plug the AC Power Adapter back into the wall outlet.

If you need additional troubleshooting assistance or help setting up your Handset Lifter or Electronic Hookswitch Cable, feel free to contact us and we’ll be happy to assist you further, no charge!

Category_setup guidesCo54Cs540Cs540 setupPlantronics c054Plantronics co54Plantronics cs540Plantronics cs540 setup

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