1
Connect the inline controller to the MDA400 switcher.
2
Connect your Poly/Plantronics supported QD corded headset to the inline controller.
There are three options for connecting the MDA400 to your desk phone.
• Desk Phone (standard)
• Desk phone + HL10 lifter and power supply (sold separately)
• Desk phone + EHS cable (sold separately)
NOTE
If you will be using Desk phone (standard) or Desk phone +HL10 lifter and power supply
continue below. If you will be using the Desk Phone + EHS cable, refer to EHS Getting Started
guide that came with your EHS cable or at
for installation instructions.
Desk Phone (standard)
1
Connect one end of the telephone interface cable to the back of the switcher.
2
Disconnect the handset coil cord from the base of the desk phone and re-connect it to the
telephone interface cable junction box.
Setup
Connect your headset
Desk Phone: Connect
7
