7 7 1 Guided Media 7 2 Unguided
- Slides: 61
7장 전송매체 7. 1 유도매체(Guided Media) 7. 2 비유도매체(Unguided Media) 7. 3 성능(Performance) 7. 4 요약 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 1
유도매체(계속) < 병렬 회선에 대한 잡음 효과 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 6
유도매체(계속) < 꼬임-쌍선에서 잡음 효과 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 7
유도매체(계속) Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 10
유도매체(계속) < 비차폐 꼬임-쌍선(UTP) 연결구(connector) Ü 전화 젝과 같은 snap-in plug 형태 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 11
유도매체(계속) < 동축 케이블 표준 Ü RG(radio government)에서 분류 w RG-8 - 굵은 이더넷(Thick Ethernet) 에 사용 w RG-9 - 굵은 이더넷(Thick Ethernet)에 사용 w RG-11 - 굵은 이더넷(Thick Ethernet)에 사용 w RG-58 - 가는 이더넷(Thin Ethernet)에 사용 w RG-59 – 케이블 TV에 사용 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 15
유도매체(계속) < 동축 케이블 연결구 w BNC(bayonet-Neil Concelman) 연결구 w BNC 연결구, BNC T 연결구, BNC 종단기 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 16
유도매체(계속) < 굴절(Refraction) < I(incidence): 입사 Http: //netwk. hannam. ac. kr R(refract): 굴절 HANNAM UNIVERSITY 19
유도매체(계속) < 반사(Reflection) Ü 입사각이 임계각보다 클 때, 나타나는 현상을 ‘반사(Reflection)’ Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 21
유도매체(계속) < 다중 모드 – 등급 지수(graded-index) Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 25
유도매체(계속) < 단일 모드(Single Mode) Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 26
유도매체(계속) < 광케이블 크기 Fiber Type 62. 5/125 50/125 100/140 8. 3/125 Http: //netwk. hannam. ac. kr Core(microns) Cladding(microns) 62. 5 50 100 8. 3 125 140 125 HANNAM UNIVERSITY 27
유도매체(계속) < 광 케이블의 광원 Ü LED(Light-Emitting Diode) : 짧은 거리 Ü ILD(Injection Laser Diode) : 긴 거리 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 29
7. 2 비유도 매체(Unguided media) < 무선 < 신호는 공기를 통하여 브로드 캐스트 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 32
비유도 매체(계속) < 무선 주파수(Radio Frequency) Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 33
비유도 매체(계속) < 무선파의 전달 Ü 전파 유형 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 34
비유도 매체(계속) < VHF(Most Very High Frequency) Ü line-of-sight전파 사용 Ü VHF 텔레비젼, FM 라디오, 항공 AM 라디오, 항공 항법에 사용 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 41
비유도 매체(계속) < EHF(Externally High Frequency) Ü 우주공간 전파 사용 Ü 레이터, 인공위성, 실험용 통신에 사용 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 44
비유도 매체(계속) 혼 안테나(Horn antenna) w 커다란 주걱과 비슷 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 48
비유도 매체(계속) < 정지 위성(Geosynchronous satellites) Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 50
비유도 매체(계속) < 인공위성 통신을 위한 주파수 대역폭 Band Downlink Uplink C 03. 7 - 04. 2 GHz 05. 925 - 06. 425 GHz ` Ku 11. 7 - 12. 2 GHz 14. 000 - 14. 500 GHz Ka 17. 7 - 21. 0 GHz 27. 500 - 31. 000 GHz Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 51
비유도 매체(계속) < 셀룰라 시스템(Cellular System) Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 53
비유도 매체(계속) < Digital < Integration with Satellites and PCs Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 58
7. 3 성능 < 비용(Cost) < 속도(Speed) < 감쇠(Attenuation) < EMI(Electromagnetic Interference) < 보안(Security) Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 59
성능(계속) < 전송 매체의 성능 Medium Cost Speed Attenuation EMI Security UTP Low 1 - 100 Mbps High Low STP Moderate 1 - 150 Mbps High Moderate Low Coax Moderate 1 Mbps - 1 Gbps Moderate Low Optical fiber High 10 Mbps - 2 Gbps Low High Radio Moderate 1 - 10 Mbps Low-high High Low Microwave High 1 Mbps - 10 Gbps Variable High Moderate Satellite High 1 Mbps - 10 Gbps Variable High Moderate Cellular High 9. 6 - 19. 2 Kbps Low Moderate Low Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 60
7. 4 요약 Http: //netwk. hannam. ac. kr HANNAM UNIVERSITY 61
- Compare guided and unguided media
- Guided and unguided media
- Guided media types
- Guided media
- Sport and the mass media guided reading
- A level media vogue media language
- Media
- Perbedaan media jadi dan media rancang
- Daz edad
- Hot media and cold media
- Soalan stpm seni visual penggal 2
- Media decisions
- Luhan hot
- Hot cold media
- Moyens médias et hors médias
- People in media and people as media examples
- New media vs old media
- Selective vs differential media
- Selective media
- Wired and wireless media
- Alta edad media y baja edad media
- Chapter 6 lesson 1 the israelites guided reading answers
- Chapter 26 section 2 the cold war heats up answer key
- West los angeles college
- Lesson 3 a call to arms
- I will yes
- Chapter 5 section 1 answer key
- Example of guided participation
- Brandon is having a bake sale at school
- Chapter 9 section 2 women's in public life answer key
- Cognitively guided instruction
- Cultural diversity and conformity section 3
- Laser guided missile
- Guided reading hardship and suffering during the depression
- Guided reading chapter 14 section 1
- Cccco guided pathways
- Reverse factoring definizione
- What is guided practice
- Multiplying and dividing integers guided notes
- Family guided routines based intervention
- Colonial america lesson 1 roanoke and jamestown answer key
- Square roots notes
- Chapter 6 section 3 guided reading the rise of christianity
- 1-1 exercises guided practice
- The veldt study guide
- The rise of islam chapter 10 section 1
- Why was wudi called the martial emperor?
- Chapter 10 section 4 slavery and secession
- Hyde and jekyll meaning
- Chapter 13 section 3 guided reading the age of chivalry
- Guided reading greek civilization answer key lesson 2
- Chapter 4 section 3 guided reading the persian empire
- Graphing absolute value functions calculator
- Chapter 13 section 2 war consumes europe
- Guided missile culture examples
- Lesson 2 empire building in africa
- Ratios guided notes
- Guided reading lesson 3
- Ischemia-guided strategy
- 5 elements of a plot
- Romeo and juliet vocabulary act 3
- Mt sac guided pathways