หน่วยที่ 4 เครือข่ายแบบ lan1

(LAN)

LAN : Local Area Network

LANEthernet

Token RingFDDI (Fiber Distribution

Data Interface

WLAN : Wireless LAN

(Ethernet)

IP Address Subnet Mask

IP Address Subnet Mask

1. (Local Area Network : LAN)

LAN (Local Area Network)

LAN LAN

LAN

Local Area Network (LAN)

6

Ethernet ( )

IEEE (Institute of Electrical and Electronics Engineer)

Ethernet 10 Mbps 100 Mbps

7

Ethernet Network

248

Ethernet CSMA/CD

Ethernet Ethernet (Fast Ethernet)

(Full Duplex)

Ethernet Ethernet 10 Mbps

Fast Ethernet Ethernet 100 Mbps

Gigabit Ethernet Ethernet 1000 Mbps 1 Gbps

259

Ethernet

10Base5

10Base2

10BaseFOIRL

10Broad36

10BaseT

10BaseFL

10 Mbps

10 Mbps

10 Mbps 10 Mbps

10 Mbps

10 Mbps

Baseband

Baseband

Baseband

Broadband

Baseband

Baseband

500 m 185 m 5 km 3,600 m

100 m 2 km

Thick Coax

Thin Coax

MMF Coax UTP cat 3

MMF

Bus Bus PPP PPP Star PPP UTP : Unshielded Twisted Pair

MMF : Multimode Fiber Optic

SMF : Single Mode Fiber Optic

PPP : Point-to-Point

2810

10Base2

BNC, T-Connector

10Base2

10BaseT

UTP, STP CAT 3

UTP, STP CAT 3

RJ-45 RJ-45

10BaseT

10Base2

BNC, T-Connector

10Base2

Fast Ethernet

100Base-Tx

100Base-Fx

100Base-T4

UTP Cat5

62.5/125 MMF

UTP Cat 3

100 m 2,000 m 100 m 292811

Gigabit Ethernet

302812

(Ethernet)

(Fast Ethernet)

(Gigabit Ethernet)

(Ten Gigabit Ethernet)

IP Addressing

(IP Address)

(Router)

IP 4

IPv4 32

2813

2814

4 (IPv4) 5

(Class)

Class A : 0 (Network ID) 8 24

(Host ID)

Class B : 10 16 16

Class C : 110 21 8

Class D : 1110

2815

2816

IP Address

2817

Private/Public Internet

(InterNIC)

IETF (Internet Engineering Task Force)

2818

A

B

C2819

(Subneting)

B 65,534

2820

2821

A

B

C

2822

2823

A B

2824

2825

2826

“ ”

2827

B

2828

C

10

0 254

2829

5. (LAN)

Hub Switch HubSwitch

Switch

UTP (Cat RJ-Switch 2830

UTP RJ-45

2 (Straight –through Cable)

Switch (Crossover Cable)

2 2

Hub Switch

5.1 UTP (Cat5) RJ-45

2831

- RJ- 45 (Crimping Tool)- RJ-45- UTP Category 5e (CAT5e)

2832

UTP Category 5e (CAT5e) UTP

UTP 8

EIA (Electronics Industries Association) TIA (Telecommunication Industries

Association) EIA/TIA 568 UTP

Category N

2833

-W-O O

-W-G G

-W-BL

BL -W-BR

BR

2834

- W-O

O

- W-G

G

- W-BL

BL

- W-BR

BR

2835

UTP

EIA/TIA 568A EIA/TIA 568B

UTP

EIA/TIA 568A EIA/TIA 568B 2836

RJ-45

Pin # Signal EIA/TIA 568A

EIA/TIA 568B

Transmit+

Transmit-

Receive+

N/A

N/A

Receive-

N/A

N/A2837

RJ-45 EIA/TIA 568

568-A

568-B

2838

1.

Switch

Crossover UTP

2. UTP

Strip

3. UTP

4.

RJ-45

5. RJ-45

6. RJ-45

1. My Computer Properties

System Control Panel

2.

System Properties HardWare

Device Manager

3. Device Manager Network Adepters

Network Adepters

4. UTP

SwitchStraight –through Cable)

5.3 IP Address

1.

Control Panel Network Connections

2. Network ConnectionsLocal Area

Connection Properties

3. Local Area Connection Properties Internet Protocol (TCP/IP) Properties

4. IP Address ,

Subnet Mask , Default Gateway DNS Server

OK

5. IP Address IP

AddressCommand Prompt ipconfig /all

6. LAN ping Command Prompt

ping Default GatewayDefault

Gateway

5.2 (Network Interface Card -NIC)

(Network Interface Card -NIC)

Switch

2839

4

3–5 UTP

(Straight –through Cable) (Crossover Cable)

1. UTP EIA/TIA 568B

2. UTP 3.4. LAN

5. IP Address

562840