Planning and Design of Campus Network

▼ More than ▼64M memory;

The 800*600 monitor of SVGA graphics card only supports small fonts;

▼ Remaining disk space: more than 50MB;

▼ network card;

▼ optical drive.

★ Network platform

▼ TCP/IP protocol is installed and configured;

▼ Mainly based on the network equipment of Digital China Network Co., Ltd., compatible with SNMP equipment of other manufacturers.

▼ It can provide complete equipment management and function management for the following network equipment of Digital China Network Co., Ltd.:

Ethernet switches include DCRS-75 15, DCRS-7508, DCRS-7504, DCRS-65 12, DCS-3652, DCS-3628S, DCS-3426,

LRS-6706G/LRS-6626、DES-6000、DES-3326、DES-3624i、DES-3225G、DHS-3226； Routers include DCR-3660,

DCR-2650、DCR-2630、DCR- 1750、DCR- 1720、DCR-25 1 1、DCR-2509、DCR-250 1。

★ Operating system platform

You can choose the following operating system platforms:

▼ Microsoft Windows NT 4.0 (workstation or server, service pack 6);

▼ Microsoft Windows 2000 (Professional Edition or Server Edition).

★ Other supporting software

▼ Microsoft version 4.0 or above must be pre-installed;

▼ Acrobat Reader or above must be pre-installed.

6. Design of examination monitoring system

An economical and feasible examination monitoring system is established by using tovi Tuwei MP-5020 hard disk video recorder and VT-BW308 color-to-black-and-white hemispherical camera of South Korea's Vista photoelectric technology.

Name of equipment: tovi Tuwei MP-5020 hard disk video recorder

② Basic introduction: 20 channels of audio and video synchronous real-time compression.

③ Basic functions:

★ The video compression ratio is high, and the data volume is between 50M/h- 190m/h;

★ Multiplex operation, supporting synchronous work such as monitoring, compression, video recording and playback;

★ The system runs automatically, video recording and self-inspection skip the damaged hard disk, and support unattended operation;

★ Video data power-off protection to prevent video loss;

★ Support operating system shielding, multi-user rights management and login to improve system security;

★ Support the control of various decoders and matrices;

★ Full-screen display and switching display function of any picture;

★ Real-time display of various state information of the system, with date, time and characters superimposed on the display screen;

★ Information prompts such as video loss, event record, hard disk status and alarm;

★ Provide on-site monitoring and monitoring capture function;

★ The monitoring image quality can be adjusted;

★ Provide alarm, mobile, timing and manual event recording types, and support pre-recording;

★ Video resolution can be selected from 352x288(CIF) and176 x144 (QCIF);

★ Video quality, picture quality, data volume and video frame rate can be adjusted;

★ Date, time and people are superimposed on the video screen to support partial occlusion of the screen;

★ Support multi-hard disk automatic full-cycle video recording;

★ Set the time interval for packaging video files;

④ technical parameters

★ Operating system: Windows2000

★ compression format: H.264

★ Video input: 20 channels of video.

★ Audio input: 20 audio channels.

★ Recording speed: 500 frames per second.

★ System resolution: 704*576 /384*288.

★ Image segmentation: 1, 4,8, 12,16,20.

★ Hard disk standard: 200G

★ Video recording mode: manual, automatic cycle, alarm drive and motion detection.

Two. ① Equipment name: VT-BW308, a color-to-black-and-white hemispherical camera developed by Korea Visteon Optoelectronic Technology Company.

② technical parameters

★ specification: VT-BW307

★ Camera equipment: 1/3' Sony CCD

★ Horizontal resolution: 480 lines in color and 6000 lines in black and white.

★ Video output: 1VP-P75ω negative

★ Auto White Balance: Auto White Balance

★ Backlight compensation: automatic backlight compensation

★ Minimum illumination: color: 0.01lux; ; Black and white 0.0 1lux

★ Electronic shutter: PAL:1/50-1100000 seconds.

7. Other equipment

① equipment name: Lenovo Wanquan t168g3s930512/73c server.

② Basic introduction:

★ Intel with a new generation of 64-bit dual-core technology? Pentium? D processor 930, 3.0GHz main frequency, 2*2MB secondary cache, 800MHz front-end bus.

★5 12M ECC DDR2-667 memory

★73G U320 SCSI hard disk for easy plugging and unplugging.

★ Chinese version of system installation and troubleshooting guide

★PS/2 interface keyboard and photoelectric mouse

8. Extensible design

The core, workgroup and access equipment are all equipped with expandable slots and ports to facilitate future system upgrade; The core equipment has redundant power supply, and the whole system can provide uninterrupted service.

Verb (abbreviation of verb) list of equipment quantity and price

(a) line price list

Equipment name, equipment number and equipment price (/M)

CommScope 12 core outdoor multimode armored optical cable (62.5/125) 750m 49 yuan/m.

Super Grade 5 (100m/ box) 200M 430 yuan/box/ship with STP4.

One ship with UTP4 double super class 5 (100m/ box) is equipped with 2500M 200 yuan/box.

Total: 42,665,438+00 yuan.

(2) Equipment Price List

Equipment name, equipment quantity and equipment price (/set)

Digital China DCS-3926S Switch 1 25000 Yuan

Digital China DCS-3726S switch 5 17800 yuan

Digital China DCS- 1024 Switch 17 930 yuan