Yealink VC400 Administrator's Guide

Administrator’s Guide for Yealink Video Conferencing Systems
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2. In the QoS block, enter the desired values in the corresponding fields.
3. Click Confirm to accept the change.
A dialog box pops up to prompt that the settings will take effect after a reboot.
4. Click Confirm to reboot the system immediately.
To configure QoS via the remote control:
1. Select Menu->Advanced (default password: 0000) ->Advanced Network.
2. In the Diffserv QoS block, enter the desired values in the corresponding fields.
3. Press the Save soft key to accept the change.
The display device prompts “Reboot now?”.
4. Select OK to reboot the system immediately.
VPN
VPN (Virtual Private Network) is a secured private network connection built on top of public
telecommunication infrastructures, such as the Internet. VPN has become more prevalent due to
the benefits of scalability, reliability, convenience and security. VPN provides remote offices or
individual users with secure access to their organization's network. There are two types of VPN
access: remote-access VPN (connecting an individual device to a network) and site-to-site VPN
(connecting two networks together). Remote-access VPN allows employees to access their
company's intranet from home or outside the office, and site-to-site VPN allows employees in

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