2: ()? 2 UTP ()!! SW-HUB 3 Point-to-Point Broadcast Multiple Access Non-Broadcast Multiple Access Point-to-Point 2 MAC Examples Node A Node B 1
Broadcast Multiple Access () MAC Node A Node B Node C Ethernet Non-Broadcast Multiple Access () ATM (Asynchronous Transfer Mode) Node A Node B Node C Node D Node E Node Z Node D Node E Node Z () * * () PHS Wireless LAN etc 0100110010111000 0110100010111000 (coaxial cable) () 2
2e.x. TX+ TX- 2 2 2 UTP/STP Unshielded Twisted Pair 100 Ethernet 0.5mm () Shielded Twisted Pair 150 10-11mm [UTP] [] [] RJ11 6 RJ45 8 LAN/ISDN RJ48 8 ISDN [T568B] 1 / 2 3 / 4 5 / 6 7 / 8 [RJ48] (: Internet Week 98 UTP : xdsl TIA/EIA-T568A TIA/EIA-T568B 90m 10/100 T568A T568B TX+ 1 TX- 2 RX+ 3 RX- 6 1 2 3 4 5 6 7 8 T568A / / / / T568B / / / / 1 TX+ 2 TX- 3 RX+ 6 RX- : 0~4KHz ISDN: 0~320KHz ADSL: 25~138KHz ADSL: 138k~1.1MHz ADSL ISDN ADSL ISDN 4KHz 25KHz 138KHz 320KHz 1.1MHz 3
Source: http://kyoiku-gakka.u-sacred-heart.ac.jp/jyouhou-kiki/1704/1704-a.jpg (core) (clad) (1) (2) Source: Wikipedia c () SMF/MMF SMFMMF SMF (single mode fiber) 1 ATM/SONET/WDM [SMF] 1310nm / 1550nm MMF(multi mode fiber) LANMMF [MMF] 850nm / 1310nm SMF MMF SMF (10m) (125m) (50/62.5m) * 50m ) 4
4 820-850nm / 1300nm / 1550nm http://itpro.nikkeibp.co.jp/free/ncc/news/20050509/160539/ 250ms 300000km/s 36,000km 1(40,000km) (D) D = 40000(km) / 300000(km/s) D = 133ms 0.6 RTT (Round Trip Time)2-10ms - 40ms - 140ms BER BER10^-5 (ECHONET)BER10^-3 1000Base-X(IEEE 802.3z)BER10^-12 1000Base-T 1000Base-SX 1000Base-LX 1000Base-ZX 1000Base-LH [GbE] UTP(cat5e) MMF SMF SMF SMF 100m 550m 5km 100km 10km (SMFMMF) 5
() (Full Duplex) (TX)(RX) 100Mbps 100Mbps : Ethernet() (Half Duplex) 100Mbps 100Mbps : Ethernet() LAN ( or?) or etc ADSL 25kHz 552kHz 1000Base-LX (1300nm f230thz WDM/ADSL 100Base-TX 1000Base-T 1000Base-SX/LX ADSL IEEE 802.3 10base-T 100base-TX 1000base-T 1000base-SX/LX 4B5B+MLT-3 4D-PAM5(8B1Q4) 8B10B PC PC 6
10Base-T 1 0 4B5B+MLT-3 4B5B MLT-3 3(MLT-3) 01 4bit 5bit (4B5B) 0 1 100Base-TX MLT-3 100m 100Mbps FSK(Frequency Shift Keying) 21 :4 2bit83bit ASK(Amplitude Shift Keying) () FSK PSK(Phrase Shift Keying) ASK PSK QAM(Quadrature Amplitude Modulation) Q 224 4QAM2bit 4416 16QAM4bit I 16QAM 7
(1/3) SC ATM/100Base-FX 1000Base-SX/LX ST [SC] 1 [ST] ATM/100Base-FX 1000Base-SX/LX [SC-Dual] (: Internet Week 98 (2/3) MIC 21 A/B/M FDDI FC 1 10Base-FL [FC] [MIC (A)] [MIC (B)] (: Internet Week 98 (3/3) MT-RJ SC1/2 1000Base-SX, 1000Base-LX [MT-RJ] : http://www.cisco.com/japanese/warp/public/3/jp/service/manual_j/lan/cat60/sig/appendixb/b_0bcabcon.html http://www.collabolink.com/shoryu/opt/tech/tech.htm! () (Power meter photograph): Hioki http://www.hiokiusa.com/modules/products/index.php?op=viewproduct&proid=138 8
NTT25 12 etc B IP (POI) (OLT) NTT B LAN (ONU) B PC (ONU) 1Gbps32 (NTT) 155Mbps/622Mbps32 (NTT) Gigabit Ethernet (IEEE802.3z) 1Gbps 1Gbps 1000Base-SX (), 1000Base-LX () IEEE802.3z NIC 10Gigabit Ethernet (IEEE802.3ae) 10Gbps only MMF/SMF 10GBase- LX4/SR/LR/ER/SW/LW/EW LX4 3.125G bps x4 MMF/ SMF 300m/ 10km SR MMF 300m 10Gbps LR 10.3124Gbps 10km SMF ER 40km SW MMF 300m LW 9.2942Gbps 9.95328Gbps 10km SMF EW 40km *ITmedia WIDEIEEAF10Gpbs http://www.itmedia.co.jp/enterprise/articles/0406/30/news093.html 9
Wavelength Division Multiplexing (WDM) FM DWDM (Dense WDM) Tbps P()bps Ethernet Ethernet Frame Formant Ethernet CSMA/CD Ethernet XeroxPARC(Palo Alto Research Center) Xerox, Intel, DECEthernet 2.0 IEEE802.3 Ethernet : 10Mbps ~ 10Gbps Ethernet Frame Format [Ethernet format] Type 6 6 2 46-1500 MAC 2 NIC MAC Address 00:2d:1a:41:01:42 MAC Address 19:c7:12:31:0a:11 MAC Address e1:dd:91:a1:63:12 MACEUI-48 OUI (Organizationally Unique Identifier) IEEE 1OUI OUI 1 2 3 4 5 6 10111101 01110101 11001111 01011111 01000101 01111010 G/I/bit G/L/bit G/I bit 1 G/L 0 : IEEE 1 : 10
NIC Network Interface Card NICMAC NICIP MACIP 3 Ethernet A NODE1 B NODE2 C NODE3 D NODE4 E NODE5 NODE1NODE4 NODE4MAC A NODE1 B NODE2 C NODE3 D NODE4 E NODE5 NODE4NODE1 CSMA/CD A Node A Carrier Sense A AB B Node B CSMA/CD carrier sense multiple access with collision detection Ethernet Carrier Sense Multiple Access Collision Detection random 1Carrier Sense End-to-End End-to-End End() () End () End End UTP 11
OSI7 () () () etc End End TCP/IP () (1/2) FTP TCP IP FTP TCP IP 1:End-End (TCP) 0 1 2 3 4 6 7 8 9 Fast Ethernet FE GbE Gigabit Ethernet Cat5 End Cat5 Cat5 Cat5 End 2 2 () (2/2) 2: 0 1 2 3 4 6 7 8 9 12