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Fiber Design and Deployment

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Fiber Design and Deployment Basics of Fiber Design and Deployment Why Fiber? Tim Locker – CBM, Inc. ICA IMPACT November, 2018 Agenda • Why Fiber? • Fiber Feeds Everything • Nuts and Bolts - The Components • Installation Techniques • Network Architectures and Planning 2 Why fiber? The time is now! 1 Fiber is future proof. • Technology and bandwidth adoption trends • Fiber vs. metal cables and wireless 2 Residents decide where to live based on quality of broadband. Fiber is best. 3 Fiber is simpler. 4 Fiber is less expensive. 5 Fiber is less intrusive and easier to install. Why Fiber? Fiber is1 future proof. 4 Bandwidth growth is accelerating • In the past 15 years, we’ve seen… CISCO BANDWIDTH FORECAST • The Internet, iPods • HDTVs, DVRs • Smartphones, Tablet computers • Streaming services • Connected everything • All require bandwidth • We must expect more bandwidth growth in the future The “Internet of Things” is changing our world Potential Connected Devices - Today E-mail Notification Shades Video Home Appliances Leak Defect Security Audio Lighting Irrigation Cameras Temperature Kitchen Appliances Bandwidth – then, now, and next Then 25 Mbps Now 1.5 Mbps ≈ 0.6 kbps Next 9 Mbps VR > 2 Mbps 500 MBPS 6 Mbps 7 4k (ULTRA HD) TV • Next generation TV format 55" 4K TV Price SOURCE: OFSSOURCE: PRICE SURVEYBEST BUY • Content online and growing $25,000 rapidly $20,000 • For the first time ever, higher $15,000 quality video is available via $10,000 Internet streaming versus standard packages $5,000 • Price continues to drop rapidly $0 2012 2016 25 Mbps/screen – How many screens used at once? Artificial intelligence • Image analysis, voice analysis • Natural language – digital assistants • Language translation • Autonomous vehicles & robotics • Enormous potential for early medical screenings using sensors and bandwidth Bandwidth – then, now, and next IOT 11 Why Fiber? Copper More Less Bandwidth Cost/bit Distance Size Weight Interference Bandwidth Distance Cost per Bit Conductivity (no power needed) Fiber 2,400 Pair Copper 1 Fiber Cable Cable > 50 Tbps 100 Gbps to 1KM > 5,000 KM Bandwidth Distance Cost per Bit 1 2 Technology evolution Copper Wireless - Cellular Fiber Mid-20th century Phone grade copper Early 1980s Early 1990s Category 3 1G -2G Single-mode fiber • How Long Will Your Building Last? 1995 Cat 5 introduced in early 1980s, 1999 Cat 5E still viable and 2G-3G 2002 Cat 6 compatible today, 2009 Cat 6A 100 Gbps+ 2016 Cat 8 4G Single-mode fiber stands the test of time. 1 3 Why Fiber? Fiber2 attracts Residents and businesses decide where to locate based on quality of broadband. 1 4 Bandwidth enables knowledge workers “Economic Development is the Killer App for Local Fiber Developments” • Multiple studies linking fiber deployments to job growth • Bandwidth enables… • Media development of all types • Language services • Technology development of all types • Telemedicine, education, etc. • “Aging at home” • SOURCE: http://www.bbpmag.com/Features/1116-Kill-App.php FTTH increases home values SOURCE: FTTH COUNCIL INFOGRAPHIC THE FIBER EFFECT Access to fiber in your neighborhood raises the value of your home by 1.3% Broadband - the amenity for MDU residents • 2013/2015 US National Multifamily Housing Council survey • High speed internet access is the most important amenity • Renters will often pay more for a building with better broadband Why Fiber? Fiber3 is simpler. 1 8 Install one cable instead of two Fiber Coaxial Copper TV & Voice & Data 1 9 Why Fiber? Fiber is easier to install4 and less expensive. 2 0 Price of fiber 100 5 1990 2010s 2 1 Cost comparison Metal cables vs. fiber in a building Fiber is less intrusive5 and easier to install. Fiber is less intrusive and easier to install Fiber is rugged and reliable Agenda • Drivers for FTTH • Why Fiber? • Fiber Feeds Everything • Nuts and Bolts - The Components • Installation Techniques • Network Architectures and Planning 2 6 Fiber - the core of most phone, cable, power networks Fiber ring • Node • Cabinet • Substation • Node • Cabinet Fiber • Substation Copper Coax Wireless Node sizes continue to fall FTTH = Node size = 1 2 7 Wireless loves fiber Fiber ring Wireless (and vice versa) 2 8 Agenda • Why Fiber? • Fiber Feeds Everything • Nuts and Bolts - The Components • Installation Techniques • Designing the OSP Network 2 9 Fiber Structure Secondary coating Primary coating Light Cladding Core Glass Primary245 microns coating fiber • Core – Includes dopants • Cladding - Outer layer of glass to contain light • Different index of refraction than core 125 microns • Coating - Cushions and protects fibers 250 microns Fiber types Conventional Bend Insensitive Single-mode Fiber Single-mode Fiber Single-mode Fiber • Carries only one mode of light • Used for FTTH (small radius) (small radius) Multimode Fiber Carries multiple modes of light SERVICE SERVICE Not typically used in FTTH DISRUPTED MAINTAINED 3 1 FTTH Network Macro View Central Office / Drop Drop Headend Closures or Cable Terminals Splitter Cabinet Underground Aerial Cable Splice Direct Buried Cable Closures Cable 3 2 Outside Plant Fiber Cable • Most often “loose tube” cable structure Buffer tube • Fibers loose in buffer tubes Fiber • Handles stress/strain and temperature fluctuations and climatic extremes Loose buffer • Also available in ribbons tube structure • Fibers and buffers are color coded Ribbon fiber and cable structure • Underground applications • Direct buried or in duct • Aerial applications • Lashed or self-supporting 3 3 Inside Plant Fiber Cable • Indoor cables can be different than outdoor cables • Most often “tight buffer” cable structure • Provides additional protection for frequent handling and tight bends • Easier connectorization • Multiple types of cable structures • Riser, plenum, low smoke/zero halogen products • Designed to meet flame smoke ratings • Some cables are indoor/outdoor hybrids 3 4 Fiber Management Devices Closures, Terminals • Fiber management devices are used in the central office or remote cabinets • Closures are used in the field to connect cables and fibers • Terminals are often used for the final drop to the home • Multiple designs available for each component 3 5 Connectors and splitters Connectors • “SC” and “LC” most common SC Connector • Color indicates polish (back reflection) Splitter • Blue = “Ultra” polish LC Connector • Green = “Angle” polish Splitters Splitter in splice tray • Used with Passive Optical Network (PON) systems • Used to split one fiber into multiple fibers • Decreases power MPO Connector • Splits bandwidth (12 fiber ribbon • Split ratios are powers of 2 Splitter Cabinet connector) • 1x2 to 1x64 (1x32 most common) 3 6 MDU and in-home Deployments • MDU and in-home installations are different than outside plant • Most inside installations require tight bends and bend insensitive fibers • Manufacturers have developed fibers and products for these applications Fiber 3 7 MDU and in-home Deployments Agenda • Why Fiber? • Fiber Feeds Everything • Nuts and Bolts - The Components • Installation Techniques • Network Architectures and Planning 3 9 OSP Cable Placement Options Aerial • Fast, minimal restoration time • Typical choice for overbuilding existing aerial plant Below Grade • Required if no existing aerial plant • Aesthetically pleasing! 4 0 Splicing Fusion • Most common type of splice • Fibers joined together and melted at approximately 1600 degrees C Illustration of electrodes used to form fusion splicing arc Mechanical • Common overseas • Less common in US FTTH installations Splice sleeve to cover completed splice 4 1 Optical Loss Budget Designers must ensure adequate optical power going both directions Fiber Management OLT Unmanaged Switch Component Typical loss values @ 1550 nm Encoder & DVD Fiber 0.2 dB/km Splices 0.05 dB Connectors 0.2 dB Splitters (1x32) 17-18 dB 4 2 Agenda • Why Fiber? • Fiber Feeds Everything • Nuts and Bolts - The Components • Installation Techniques • Network Architectures and Planning 4 3 FTTX Network Planning Establish Ultimate Network Plan Network Plan Objectives • Reduce installed costs • Increase speed of network build • Increase return on investment o Target network segments based on ROI • Streamline build cost estimation Example Network Plan process Cable route design for 10k premise network 4 4 Typical FTTH Architectures PON (Passive Optical Network) • Uses a signal divider, such as an optical power splitter Central office or • One fiber at the central office feeds many fibers remote cabinet in the field OLT • G-PON (Gigabit PON) and GE-PON (Gigabit Optical Power Splitter Ethernet-PON) are the most common PON or wavelength filter architectures Point-to-Point (“Active Ethernet”) Central office or • One fiber in the head end = one fiber in the field remote cabinet OLT Point-to-point FTTX Architectures GPON GE-PON Point to Point (Active 10G- GPON XGS-PON GE-PON Ethernet) EPON Downstream 10 Gbps 1.2 Gbps 10 Gbps 100 -1000 Mbps per 2.4 Gbps total Bandwidth total total total sub Upstream 10 Gbps 1.2 Gbps 10 Gbps 100 -1000 Mbps per 1.2 Gbps total Bandwidth total total total sub Typical distance 20 km 20 km 20 km 20 km 20 km Wavelengths (nm), 1490 1577 1550 1577 1550 Downstream 1310 1270 1310 1270 1310 Upstream 4 6 FTTX Architectures PON - Central Office Splitting Central Office Dedicated or Powered Cabinet Fibers SFU OLT F1 Fibers F2 Fibers MDU Splitter Business Shared Fibers • Requires largest cables and most splicing • Maximizes OLT port utilization • Utilized in dense urban deployments 4 7 FTTX Architectures PON - Cabinet Splitting Central Office Dedicated or Powered
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