Networking and Health Information Exchange

Unit 2bNetwork Media and Hardware

Communication Devices

Component 9/Unit 2b 1Health IT Workforce Curriculum Version 1.0/Fall 2010

Considerations When Selecting Media

• Throughput• Cost

– Installation– Maintenance– Lower transmission rate

• Distance• Scalability• Noise immunity• Security

Health IT Workforce Curriculum Version 1.0/Fall 2010 2Component 9/Unit 2b

Coaxial Cable

Health IT Workforce Curriculum Version 1.0/Fall 2010 3Component 9/Unit 2b

BNC Connector

Component 9/Unit 2b 4Health IT Workforce Curriculum Version 1.0/Fall 2010

Twisted-Pair (TP) Cable

Unshielded Twisted-Pair (UTP)

Health IT Workforce Curriculum Version 1.0/Fall 2010 5Component 9/Unit 2b

Shielded Twisted-Pair (STP)

Health IT Workforce Curriculum Version 1.0/Fall 2010 6Component 9/Unit 2b

RJ-45

Component 9/Unit 2b 7Health IT Workforce Curriculum Version 1.0/Fall 2010

T568A & T568B Standards

For Twisted Pair Cabling

Health IT Workforce Curriculum Version 1.0/Fall 2010 8Component 9/Unit 2b

Straight-through•Both ends the same, either T568A or T568B

•Connect similar devices

Cross-over•One end T568A and other end T568B

•Connect dissimilar devices

Type of Cables for Connecting Devices

Health IT Workforce Curriculum Version 1.0/Fall 2010 9Component 9/Unit 2b

Fiber Optic Cable

Health IT Workforce Curriculum Version 1.0/Fall 2010 10Component 9/Unit 2b

Single mode vs. Multimode

Single

Step index

Graded indexHealth IT Workforce Curriculum Version

1.0/Fall 2010 11Component 9/Unit 2b

ST connectors SC connectors

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TIA/EIA Structured Cabling System

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Equipment Room

Punch-down block Patch panel with patch cables

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Backbone Cabling

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Horizontal Wiring

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Work Area Outlet

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Wireless

• Radio frequency (RF)• Infrared transmission

– Direct– Indirect

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Wireless LAN (Wi-Fi)

802.11x standards

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802.11a 802.11b 802.11g 802.11n

Frequency 5 GHz 2.4 GHz 2.5/5 GHz

Bandwidth 54 Mbps 11 Mbps 54 Mbps up to 150 Mbps

Component 9/Unit 2b