Yealink VC400 Administrator's Guide

System Management
243
- If the 8 way MCU displays Unsupported, it means you have not imported an 8-way
MCU.
- If the 8 way MCU displays X~Y Available, it means you have imported a trail version
of 8-way MCU. So the VC400/VC120 supports up to 8-way video calls and an
additional voice call (an original caller and eight other sites) in X~Y period.
- If the 8 way MCU displays Eternal, it means you have imported a permanent version
of the 8-way MCU. So the VC400/VC120 supports up to 8-way video calls and an
additional voice call (an original caller and eight other sites) permanently.
Note
VCS Integrated with Control Systems
The Yealink video conferencing systems provide an API interface for the third-party control
system. The API commands can be sent to Yealink video conferencing systems over LAN or
Upgrading the system or performing a factory reset will not affect the imported 8-way license.
If the system has been imported a trial version of the 8-way license and the license has not
expired, and you import a permanent version to the system, the permanent version will overwrite
the trial version.
If the system has been imported a permanent version of the 8-way license, and you import a trial
version to the system, the permanent version will not be overwritten.

Yealink VC400 Specifications

General

Optical zoom	18 x
White balance	Auto, Indoor, Outdoor
Focus adjustment	Auto
Video codecs	H.264, H.264, H.263
Supported video modes	1080p
Supported graphics resolutions	352 x 288, 704 x 576, 1280 x 720 (HD 720), 1920 x 1080 (HD 1080)
Voice codecs	G.711, G.711a, G.722
Line-in	Yes
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
ITU-supported standards	H.323
Ethernet LAN data rates	10, 100, 1000 Mbit/s
AC input voltage	100-240 V
Power consumption (max)	30 W

Weight and Dimensions

Depth	183 mm
Width	330 mm
Height	40 mm