Yealink VC400 Administrator's Manual page 25

Expansion Microphone CPE80×2

Ethernet Cable (7.5m)

3.5mm Audio Cable (for connecting a PC/Mobile device to the VCP41)

Locate the Audio In port on the VC120 Codec, and connect it to the Audio Out port of the
VCP41 video conferencing phone with the 7.5m Ethernet cable. VCP41 Video conferencing
phone can work as an audio device for the VC120 video conferencing system. You can also place
calls, answer calls or view directory and history on the VCP41 video conferencing phone.
VCM30 Package
VCM30 Video Conferencing Microphone Array

System Overview
9