User's Guide

Table Of Contents
Computer and Cable Requirements
Your computer and cables must meet the following requirements to use USB audio mode with your Poly
CCX business media phones.
Note: Poly CCX 400 business media phones don’t support USB device mode.
Operating system requirements:
Windows 10 1803 or later
macOS 10.12 or later
USB cable requirements:
USB-A to USB-C cable
Supports USB 2.0 or USB 3.0
Note: Poly recommends USB 3.0 for the most reliable connection and optimal audio quality
Self-powered USB booster extension cable for connections longer than 2 m (6.6 ft)
Note: Poly recommends that the USB cable you use for USB audio mode isn’t a cable meant only for
charging devices. Cables meant for charging devices may lack the necessary hardware to
support the data transmission needed for USB audio mode.
Connect Your Phone to Your Computer
Connect your Poly CCX business media phone to your computer in USB audio mode.
Procedure
1. Connect the USB-C end of the cable into the USB-C port on the right side of the phone.
2. Connect the USB-A end of the cable into an available USB 2.0 or USB 3.0 port on your computer.
3. Configure your computer
s input and output audio devices to the CCX business media phone
according to your system’s procedure.
This process may vary depending on your computer’s operating system.
Connecting Bluetooth and USB Devices
107