3.1

3.3

3.1

3.1

3.1.1 ServerClient/C/S

112345WWW

21 2 3 4

3.1.2 1Work Station

212Diskless Workstation 3Network ComputerNC 4Mobile Network Terminal 123

3.1.3

1NICNetwork Interface Card3-1

816ROM

I/OPCI/OPC

210M10/100M1000MISAVESAEISAPCIRJ-45BNCAUI2131 USB

3.1.4 RP Repeater3-2

543

3.1.5 HUB

PassiveActiveIntelligentRJ-458121624AUI

1CSMA/CD10Base-Tstar-shaper bus3-4

3-4

2RJ-4534

3.1.6 BridgeMACMAC

1

21MAC234MAC10Mbps100Mbps

12MAC3

3.1.7 3-7

1Switch2090OSI448OSI

2RJ-458121624AUI10Mbps10/100Mbps100Mbps

3-8

31OSIOSIOSI

2

3

3.1.8 1IP3-9

Router

CSMA/CDToken Ring6ATM2015188198ATM53ATM

21 2 3 4 5

3.1.9 Access PointAPBridgingWireless Broadband Router

1WLANWLANWLANNICNIC3COM 11Mbps PCI WLAN3-10

2APAP3-11

33-12WLANABWLAN

3-11 AP 3-12

4Internet

52.4GHz5GHz3-13

3-13

3.3 3.3.1

1Console9DB-925DB-25RJ-45IPIPIPWebTelnetIP

13-38ConsoleCOM

2Windows3-39

33-40

43-419600

2ConsoleTelnetWebIPIP

3.3.3 ConsoleAUXModemTFTPTelnetSNMP

3.2

3.2

3.2.1

3-14

DMZ3-14LANWebE-mailFTPDMZ

3.2.2 1

3-15

3

3-17

4UplinkMDI-IIMDI-XMDI-IIMDI-X3-18

3-18

Uplink

8T568B T568A 8RJ-45T568AT568BT568AT568B3-19

3-19 1236

UplinkMDI/MDI-X

510Base-T5-4-310Base-T10Base-T5-4-35-4-310Mbps54533-20

3-20 5-4-3

5-4-3

3.2.3 1LANAUIBMCRJ-45SCConsole

1RJ-45RJ-453-2210Base-T100Base-TX1000Base-TXRJ-4510Base-T1000Base-TX

2SC100Base1000BaseSC100Base-FX1000Base-FXSCRJ-45SC3-23SCRJ-458

3ConsoleConsoleConsoleDB-9DB-9RJ-45Console3-24ConsoleConsoleConsoleRJ-45RJ-45RJ-45-to-DN-9

aDB-9 bRJ-45

2RJ-45Console

11RJ-45RJ-45RJ-45RJ-4510Base-T 10MbpsRJ-45ETH xxETH1ETH23-25100Base-TXRJ-4510/100bTx

2AUIAUID1510Base-5 AUI-to-RJ-4510Base-T10Base-210Base-FAUI3-26

3SCSC100b FX1000b FX3-27

2RJ-45AUIISDN

1SERIALSERIAL xx3-28DDNFrame DelayX.25

2ASYNCModemModem ASYNC3-29

3ISDN BRIISDN BRIISDNInternet128kbpsISDNISDN BRIISDN PRIISDN BRIRJ-45BRI xx3-30

3ConsoleAUXConsoleAUX1ConsoleConsoleConsoleRJ-45ConsoleCONSOLE3-312AUXAUXRJ-11ModemAUXAUX3-31

3-31 ConsoleAUX

3.2.4

1Uplink3-32UplinkUplink

100mUplink100m

4

23-33

3-33

UPDOWN3-34D25

3

3.2.5

11RJ-45-to- RJ-45 2AUI- to-RJ-45 3SC-to-RJ-45SC-to-AUI 3-35 AUI- to-RJ-45

2Internet1Modem 3-36 Modem

2CISCO5EIA/TIA-232EIA/TIA-2449V.35X.21EIA-5303-37

3ISDN BRICiscoISDN BRIISDN BRI S/TISDN BRI UISDNNT1InternetS/TNT1NT1UISDN NT1

31ConsoleConsoleRJ-45-to-DB-9RJ-45-to-DB-252AUXAUXAUXRJ-45AUXModemRJ-45-to-DB-9RJ-45-to-DB-25