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Cabling and Configuration [email protected]

Cabling and Configuration

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Cabling and Configuration. [email protected]. Transmission Media. នៅក្នុងការបញ្ជូន data នៅក្នុងប្រព័ន្ធ Network មានខ្សែពីរប្រភេទគឺ Guided Media Unguided Media. ប្រភេទខ្សែប្រើក្នុង LAN. ខ្សែចំលងគឺមានសារះសំខាន់សំរាប់ការតភ្ចាប់ពី Computer ទៅកាន់ Computer ផ្សេងទៀត។ - PowerPoint PPT Presentation

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Page 1: Cabling and Configuration

Cabling and Configuration

[email protected]

Page 2: Cabling and Configuration

Transmission Media

• នៅ�កន��ងការបញជ��នdata នៅ�កន��ងបរបព�ន�Network មានខសែ��ព�របរបនៅ�ទគ�

• Guided Media • Unguided Media

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ប�នៅ�ទ��ប�កន��ង LAN• ខសែ��ច�លងគ�មានសារ ស�ខាន#ស�រាប#ការតភចា' ប#ព� Computer នៅ)កាន#Computer

នៅ*�ងនៅទ+ត។ • ខាងនៅបរកាមនៅន គ�ជាបរបនៅ�ទខសែ��ស�រាប#នៅបរប�បរ/ស#ជា Lan មានដ�ចជា:

– Unshielded Twisted Pair (UTP) Cable – Shielded Twisted Pair (STP) Cable – Coaxial Cable – Fiber Optic Cable – Wireless LANs

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Categories of transmission media

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Twist Pair • Twist Pair Cabling បរត1វ/ន នៅគខសែបងខសែចកនជាព�រ បរបនៅ�ទគ�បរបនៅ�ទ ខសែ�� Shield ន3ង

Unshielded Twist Pair( UTP and STP).• Unshielded Twist Pair(UTP) បរត1វ/ននៅគនៅបរប�យា5 ងនៅពញន3យម នៅ8�យវាជា

បរបនៅ�ទខសែ��ជាជ�នៅរ ;សកន��ងការ នៅបរជ�សនៅរ ;សកន��ងការស3កន<បរបពន� Network៕

The EIA/TIA (Electronic Industry Association/Telecommunication Industry Association)

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Category of UTP

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Unshielded Twisted Pair Connector

• Standard Connector ស�រាប# Unshielded Twist Pair(UTP) គ�ជាបរបនៅ�ទ RJ45 Connector។ បរបនៅ�ទ Connector បរបនៅ�ទ នៅន បរត1វ/នមានបរសទាប#កាពារយា5 ងល� ប�*�ត គ�ជាបរសទាប# Plastic។

The most common UTP connector is RJ45 (RJ stands for Registered Jack).

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Shielded Twisted Pair (STP) Cable

• ច�នៅពា បរបនៅ�ទខសែ�� Shield Twist pair វាកន@ជាបរបនៅ�ទខសែ��ច�លងមAយបរបនៅ�ទ ខសែដលមានលកនBណះ លD បរបនៅស�រ ស�រាប# ការ តភចា� ប# នៅEយសារបរបនៅ�ទ ខសែ��នៅន មាន Shield រ �Fពន��ជ��វ Gញខសែ*�កនខាងនៅបរH។

• Shield គ�ជាបរបនៅ�ទ បរសទាប# អ��ស�ឡង ពន��ជ�វ Gញយា5 ងមា�ប�*�តស�រាប#ការនៅបរជ+តច�លខសែដនមា5 នៅញទ3ច៕

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Coaxial Cable

• Coaxial Cable គ�ជាបរបនៅ�ទខសែ��ខសែដលនៅគនៅបរប�បរ/ស#យា5 ងនៅពញន3យមស�រាប#បណតាL ញទ�នាកន#ទ�នង (Data Communication ) ន3ង ខសែ��ទ�រទ�ស�ន@ខសែ��កាបជានៅដ�ម ។

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Fiber Optic Cable

• Fiber Optic Cable គ�ជាមនៅNO/យបញជ��នData ខសែដលមានលកនBណះ នៅលPQននៅលRនប�*�តនៅEយសារ ការបញជ��ន គ�នៅបរប�ពនS�នៅអឡ3តបរត1ន3ច ដ�ចជា EMI, Crosstalk, ន3ង តាមអង#ខសែតន។

• ច�នៅពា ការបញជ'�នData ដ�ចជា Video ន3ង ស�នៅលង Voice Transmissions ល�ចUស#លD៕

• ច�នៅពា ការបញជ'�នតាមរយ Fiber optic អ�កនអាច បញជ'�ន /នព�រ *S�វ គ� តាមរយ Single Mode ន3ងMultiple Mode ។

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Unguided Media

• Unguided Media គ�ជាការបញជ��នពតWមាននៅEយអត#ប��� ន3ង connector រនៅវ+ងឧបកនរណះY ទ�នាកន#ទ�នងគនា� ។ នៅ8�យ

ជាទ�នៅ)ការបញជ��នពតWមានគ�តាមរយ[បរ Gយាកាស។• មាន ៣ ប�នៅ�ទនៃនUnguided Media

– RADIO WAVES– MICRO WAVES– INFRARED WAVES

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RADIO WAVES

• It has frequency between 10 K Hz to 1 G Hz. Radio waves has the following types.– Short waves– VHF (Very High Frequency)– UHF (Ultra High Frequency)

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MICRO WAVES

• Micro waves travels at high frequency than radio waves and provide through put as a wireless network media. Micro wave transmission requires the sender to be inside of the receiver.– Terrestrial Micro waves– Satellite Micro waves

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Satellite communication

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Infrared• Infrared frequencies are just below visible light.

These high frequencies allow high sped data transmission. This technology is similar to the use of a remote control for a TV. Infrared transmission can be affected by objects obstructing sender or receiver. These transmissions fall into two categories.– Point to point– Broadcas

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រនៅប+បកនប��• កនបខសែ�� Straight Through Cable

– ច�នៅពា ការកនបខសែ��បរបនៅ�ទ នៅន គ�នៅគនៅបរប�ស�រាប#ភចា� ប# ព� កន��ព_�ទ�រ នៅ) HUB ឬ Switch ន3ង ព� Hub នៅ) Switch ឬ ព� Switch នៅ) Switch ជាមAយគនា� ខសែបប Cascade នៅEយនៅបរប�ជាមAយ Por UP Link៕

• ច�ណតា�: ច�នៅពា ការកនបបរបនៅ�ទ Twist Pair រវាងច�ងសងខាងគ�នៅបរប�បរ/ស#ន�វ Standart(A or B) ដ�ចគនា� នៅប ប3ទ។

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Step 1 – Strip cable end

• Strip 1 – 1½” of insulating sheath• Avoid cutting into conductor insulation

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Step 2 – Untwist wire ends

• Sort wires by insulation colors

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Step 3 – Arrange wires (cont.)

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Step 3 – Arrange wires (cont.)

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Step 3 – Arrange wires

TIA/EIA-568 is a set of three telecommunications standards from the Telecommunications Industry Association.– TIA/EIA 568A: GW-G OW-Bl BlW-O BrW-Br– TIA/EIA 568B: OW-O GW-Bl BlW-G BrW-Br

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Through A

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Through B

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រនៅប+បកនប��• កនបខសែ�� cross

ការកនបបរបនៅ�ទ ខសែ�� UTP/STP បរបនៅ�ទនៅន គ�ស�រាប#ភចា� ប#ព� Computer នៅ)កាន# Computer ន3ង ព� HUB នៅ) HUB ឬ ព� Switch នៅ) Switch។ ច�នៅពា ការកនបគ�ជាបរបនៅ�ទ ខសែ��ខសែ�aង គ�ច�ង មាB ងជា Standard A ន3ង ច�ង មាB ងនៅទ+តជា Standard B។

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Example of Cross.

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OS(Operating System)

• OS គ�ជាបរបនៅ�ទ Software ខសែដលអាច Runs នៅ�នៅល�កន�ព_�ទ�រ។ ដ�នៅb� OS វាអាចបរគប#បរគង នៅ)នៅល� Memory, Processor នៅ8�យន3ង រាល# Software ទា�ងអស#ខសែដលមាននៅ�នៅល�បរបពន�� Hardware។ ដ�នៅច� នៅ�កន��ង បណតាL ញ Network វាកន@ត�រ �វនៅអាយមានន�វ OS ស�រាប#បរគប#បរគង#នៅល�វាខសែដរ៕ OS ខសែដលនៅគនៅបរប�បរ/ស#ស�រាប# បណតាL ញ Network ដ�ចជា: Novell Netware, Windows Server 2003, 2005, 2008, Linux,Fedora, RedHat, ……។

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Install Network Card(Install Driver)• ច�នៅពា ការ Install Network Card អ�កនអាចនៅNa�ការ Install /ននៅបរច�នវ GN3សាបរសL។

ដ�នៅច� នៅយ�ង ស�ម នៅល�យកន វ GN3សាបរសLមAយមកនន3យាយនៅនា គ�:• When prompted for drivers, click the cancel button.• Insert the CD• Double Click on My Computer• Right Click on your CD Drive and select Open• Double Click on the “drivers” folder• Double Click on the “RTLSETUP” folder• Double Click on Setup.exe• នៅ�នៅពលបញជ'ប#ការ Install វាន3ងសAរនៅអាយ Restart Computer • Restart Computer នៅ8�យ Network card ន3ង Recognised

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រនៅប+បEកន#នៅcd នៅអាយ Computer ន3ងWorkgroup

• Note: អ�កនបរត1វច�ណតា�ថាការEកន#នៅcd របស# Computer ឬ Workgroup អ�កនគមP�ខសែតEកន# នៅcd ម3ន នៅអាយនៅបរច�នជាង ១៥ តAរអកន�រ នៅ8�យអ�កនគមP�ម3នបរត1វនៅបរប�បរ/ស#ន�វ សញញាi ណះព3នៅសសមAយច�នAនដ��ជា( * “ . , @ , / ).

• workgroup គ�ជាការបរបម�ល*L��Computer នៅ�កន��ង LAN ខសែដលនៅបរប�ស�រាប# Share Resource ដ�ចជា Files , Printers, ន3ង network Resource នៅ*�ងៗនៅទ+ត។ នៅ8�យជាទ�នៅ)នៅគន3យមនៅបរប�ជាមAយន3ង Peer-to-Peer Network Design ,

• Domain គ�ជា server ខសែដលអាច responds to security authentication requests (logging in, checking permissions, etc.)

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• IP address គ�ជា បរបនៅ�ទ Number ខសែដលម3នស'Aន ខសែដលរាល# Computer ន3មAយៗ បរត1វខសែតមានស�រាប#ការ ភចា� ប# បណតាL ញ ។

• Static IP Address• Obtain or DHCP IP Address• DHCP វាអន�ញញាi ត3នៅអាយនៅយ�ងអាចនៅNa�ការខសែចកនbយន�វ IP Address

ជាលកនBណះ automatic នៅ8�យ អ�កនអាចនៅNa�ការ Configuration ពឥមាននៅ�នៅល� បណតាL ញ Network។

• You can verify your settings by running ipconfig /all at a Command Prompt:

រនៅប+បកន�ណះត# IP Address នៅអាយកន��ព_ទ�រ

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How to Testing Connection

• ច�នៅពា ការ Testing ន�វ Connection របស#នៅlកនអ�កនមានវGN�សាបរសLជានៅបរច�នខសែដលនៅយ�ងអាច នៅបរប�បរ/ស#ខសែតកន��ងនៅពលនៅន នៅយ�ងស�មនៅល�យកន ន�វការ Testing តាមរនៅប+ប Interface នៅEយអាច ដង ព�ដ�នៅណះ� រ ថា នៅត� Internet ដ�នៅណះ� រ ការរ mនៅ� ៕

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Check Firewall• Firewall ស�នៅnនៅ)នៅល� បរបពន��កាពាររបស# Computer ខសែដលវាអាច

Protect រាល# ស�ន��ការងាrខសែដល ច�ល មកន��ស បរបបរកនត� ។ Firewall វាគ�ជា Setting មAយបរបនៅ�ទខសែដលអាច Block រ mកន@ Allow នៅអាយ Information អាច Pass ច�លកន��ង Computer /ន៕

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Share Folder &Share Drive(HDD, CD-Rom, Flash)

• ច�នៅពា ការ Share Folder នៅ�កន��ង MS window ម�នដ�ប�ងត�រ �វនៅអាយអ�កននៅNa�ការស�នៅរចច3តLកន��ង ការនៅបរជ�ស នៅរ ;ស ន�វ Folder ណតាមAយខសែដលអ�កនមានប�ណះង# ចង# Sharingនៅនា ៕

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Share Printer

• ច�នៅពា ការ Sharing ន�វ Printer នៅ�កន��ង បណតាL ញ Network គ�វាមានសារ ស�ខាន#ប�*�តនៅ� កន��ងវ Gស�យ Business នៅEយវាអន�ញញាi ត3នៅអាយអ�កនអាចនៅបរប�បរ/ស#ន�វ Printer ជាលកនBណះ រ Aមគនា� នៅ�កន��ង បណតាL ញជា មAយគនា� ។

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System Policies• ស�នៅnនៅល�ស�ន��នៃនចUប#ខសែដលកន�នត#នៅ)នៅអាយComputer

ឬស�នៅnនៅល�ស�ន��ចUប#ខសែដលកន�នត User ឬ បរកន pម នៃន User អាច See នៅ8�យអាច នៅNa�អa�មAយនៅ�កន��ង Workstation របស# ពAកននៅគ។

• Computer ConfigurationAdministrators អាចនៅបរប�ការEកន#Policies នៅន នៅ�នៅល� Computer នៅEយម3ន�aល#ខាa យនៅ)នៅល� User ណតា Log On នៅ)កាន#Computer នៅនា នៅទ។

• Computer Configuration typically contains sub-items for software settings, Windows settings, and administrative templates.

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System Policy (Con)

• User ConfigurationAdministrators can use User Configuration to set policies that apply to users, regardless of which computer they log on to.

• Administrators អាចប�ការEកន#Policies នៅន នៅ�នៅល� User នៅEយម3ន�aល#ខាa យនៅ)នៅល� Computer ណតាពAកននៅគ Log On

នៅនា នៅទ។• User Configuration typically contains sub-items for

software settings, Windows settings, and administrative templates.

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How to open System policy

• Open the Start menu, and type gpedit.msc in the search line and press Enter. NOTE: This file is located at C:\Windows\System32\gpedit.msc.

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How to open System policy (con)

• You can now set and manage the Local Group Policies on your computer to how you want them.

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What is Permission

• ស�នៅnនៅល�ការកន�ណះត#ន�វស3ទ�កន��ងការនៅបរប�បរ/សន�វអa�មAយ នៅ8�យខសែដលកន�នត#នៅនា បរត1វ/នកន�នត# នៅEយ មា' ស#កនមdស3ទ� ឬ អ�កនមានស3ទ�3ពាកន# ពន��ន3ង កាងារខសែតមLង៕

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http://www.addictivetips.com/windows-tips/windows-7-access-denied-permission-ownership/

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Delegate Control

• Delegate ស�នៅnនៅ)នៅល�សមតqភចាពនៃន Control ខសែដលអាចនៅNa�ការប�ខសែលង ព� កាងារមAយនៅ)កាងារមAយ នៅទ+ត/ន៕

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Sharing the Internet

• ច�នៅពា basic ស�រាប#ការតភចា� ប#កន�ព_�ទ�រ នៅ)កាន# Internet ត�រ �វនៅអាយអ�កនមានន�វ Computer, modem, phone Line ន3ង ISP(Internet Service Provider)– Computer:ស�នៅnនៅល�ឧបកនរណះ@ ខសែដលអាចភចា� ប#ទ�នាកន#ទ�នងនៅកន�ត ជាNមdតា

ច�នៅពា ការនៅបរប�បរ/ស# នៅល� Computer ត�រ �វនៅអាយអ�កនមានន�វ Hardware ន3ង Software បរគប#បរគនាន#៕

– Modem: ស�នៅnនៅល�ឧបកនរណះ@ ខសែដលអាចប�ខសែលង Signal ជា Analog នៅ) Digital ន3ង ប�ខសែលង Analog Signal នៅ)កាន# Digital signal នៅទ�បអាចឆលSងកាត បរបពន�� Telephone Line /ន៕

– ISP(Internet Service Provier): ស�នៅnនៅ)នៅល�បរកន pម8�នទ�នាកន#ទ�នងខសែដលមានតAនាទ�កន��ង ខសែចកនbយនៅសវាកនមd Internet.

• ឧទា8រណះ@ : • បរកន pម8�ន City Link, Online, Ezecome, ……

Page 54: Cabling and Configuration

Proxy Server

• Many Internet users are familiar with proxies already, because their ISP runs one and either requests, or demands, that all customers use it. A proxy server sits between your client applications, like for example your Web browser, and the servers on the Internet from which you're requesting information. Your requests go to the proxy, and it passes them on only if it has to; if it's already got the data you want in its local cache, it can deliver it more quickly. ISPs want you to use their proxies because any data you get from the proxy doesn't have to be collected over the ISP's own paid-for Internet connection.

Page 55: Cabling and Configuration