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Computer Room Management Solution for a Chongqing University

Time: 2017-03-29

I, System Introduction 
    With the development of technology, we have stepped into a rapid development of information age. The computer-technology centered multimedia and communication technology have been widely used in various fields. Multimedia schooling, internet course, and remote education started all around the country, and all kinds of advanced equipments is getting more and more sophisticated, which is not that convenient for all users. However, the multimedia center control system and the micro computer technology can provide a simple and “button” type solution to control, manage these equipments, which has made the sophisticated control simple.
    As the fast spread of the campus network and multimedia classroom, the school computer system has received more and more attention in education. As a paperless, cyberized and long-distance education method, multimedia schooling has been adopted by more and more schools, which can be considered as a important progress and improvement. The fast development of computer technology, communication technology and network technology has brought the teaching in a complete new age, by these advance information technology, teachers can deliver the course content to students faster, and it also keep a effective communication between teachers and students. The system can transmit the audio, video signal simultaneously to classroom, office and meeting room, and remotely control the computer, display, surveillance equipments etc.

II, Multimedia classroom requirement
When build the campus information network, multimedia classroom is chosen for the following reasons:
1, Visible computer schooling
2, With the function of voice class, helpful for language speaking and listening teaching
3, Helpful for communication and interaction between teachers and students
4, with the function of computer room management and maintenance.

III, Multimedia classroom designing
In the design, we should mainly solve several problems: 
* Simple and personalized
* Practical
* Easy to manage and maintain, so better to put separately the PC in a single room, and in the classroom only put the monitor, keyboard, mouse and MIC etc.
Application Map:


 

 

 

 

 

 

 

IV, Solution Advantage:

Multiple functions:
    Combined and extend all the interfaces of computer, such as video, keyboard, mouse, USB and MIC.
Easy to manage:
    Adopt the interrogated design for centralized management, which has isolated the interference and heat and provide a better operation environment, can decrease the malfunction rate, and cut down the maintenance and labor cost.
Good Environment:
    No computer in the classroom, save space and decrease the radiation, noise and heat, provide a quiet, spacious, elegant and comfortable environment.
Safety: 
    Can put the PC in a safe place in order to avoid any thief, and more convenient for maintenance.
System Support:
    Support all operation systems and it is real-time control at remote side, without time delay.
Extension Distance:
    Max up to 50meters.

V, Product Introduction 

Specifications:


Extension distance

1-50meters

I/O Connector

HD15PIN(VGA),USB

Local output

HD15PIN(VGA)

Input level range

0.5-2.0Vp-p

Input level difference

<3mV

Input independence

75Ω

Output independence

75Ω

Return loss

-30dB@5MHz

MAX DC compensate

±5mV-0

SNR

60dB

USB protocol

1.1,compatible 2.0

Interface type

HDB15,USB,RJ45

Video standard

VGA,SVGA,XGA,SXGA,UXGA,LCD 

Bandwidth

300MHz(-3 dB) full-load

0-10MHz +0.1dB

+6dB到-0.8 dB

Cable

CAT5,CAT5E,CAT6 UTP

Power supply

Local powered by USB, and remote by DC12V /1A power adaptor

Operation temperature

-25℃~+70℃

Storage temperature

-40℃~+80℃

Humidity

0~95%(Non-condensing)

VI, Design policy:
Advanced Technology:
    The system adopts the advanced technology and components, which will provide the customer a solution with most performance price ratio.

Compatibility:
    Considering the future development and change, HDMI extender, signal source and display equipments provide the most compatible ability in HDMI protocol and HDCP.

Stability: 
    We adopt the anti-lightning design in order to avoid the damage that may caused by this.

Simple and Practical:
    It is one of the factors to judge if one system is simple and practical. Our products are easy to install, performance is very stable, and convenient for users to maintain.

Economy:
    Meet the user’s requirement with minimized quantity of devices.

VII, Service and Support
    We have professional technical support team to support you if you meet any problems, and we also can provide the free technical training in order to make the user get familiar with the system much faster.

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