DESIGNING DESIGNING STRUCTURED STRUCTURED CABLING SYSTEMS CABLING SYSTEMS Anton Indrawata, RCDD, Dipl.Ing. Regional Training Manager 11/14/2005 ADC Proprietary and Confidential 2 Elements Of The Design • Data transmission requirements • Cabling components and their installation • Pathway & Spaces where the cable is placed 11/14/2005 ADC Proprietary and Confidential 3 Data Transmission Requirements • What applications? – Windows or Mac applications with file transfers – CAD or 3D modelling with file transfers – Imaging or publishing work – Medial or X-ray data transfers – How many on the LAN? – POTS or VoIP • What network components? – PCs, NICs, file servers, network operating system – Hubs, switches, routers – Printers, scanners, industrial equipment – Remote access, VPN • Growth allowance? – Own building – Long or short tenancy 11/14/2005 ADC Proprietary and Confidential 4 Data Transmission Requirements • Ethernet most common LAN technology (over 25 years old) • IEEE 802.3 Carrier Sense Multiple Access with Collision Detection CSMA/CD: • 3y 100BASE-T on Cat3 • 3ab 1000BASE-T on Cat5E on Cat6 • 3z 1000BASE-SX on OF -LX on OF • Full Duplex with flow control methodology is industry preferred • Half Duplex is supported by only a few vendor specific gigabit products MAC = Media Access Control PHY = Physical Layer = OF or Cu 11/14/2005 ADC Proprietary and Confidential 5 • Speed, Band Width, & Utilisation determine physical medium Optical Fibre SMOF 9/125 MMOF 50/125 62.5/125 Copper Cat7, Class F Shielded Cat6, Class E UTP Cat5E, Class D UTP Wireless Narrow Band Microwave Infrared Spread Spectrum Cabling Components 11/14/2005 ADC Proprietary and Confidential 6 Cabling Components OF CABLING SYSTEM STRUCTURED CABLING APPLICATION SPECIFIC Channels OF300 - 300m OF500 - 500m OF2000 - 2000m Made From of Cable OM1 OM2 OM3 OS1 ATM155 ATM622 GBE 1000m 300m 275m Application Fibre 62.5u 9u 2000m 330m 550m 2000m 2000m 2000m 1310nm1300nm850nm Ref: ISO 11801 Cl 8 Ref: ISO 11801 Table 4 11/14/2005 ADC Proprietary and Confidential 7 ISO 11801 Channel Distance Cabling Components CHANNEL ETHERNET DISTANCE 10 Mbps 100 Mbps 1,000 Mbps 10,000 Mbps 300 m OM1 0M1 OM2* OM3 500 m OM1 OM1 OM2* OS1 2000 m OM1 OM2 OS1 OS1 *OM1 can be used with a wavelength of 1300nm, but OM2 gives a higher safety margin and is less sensitive to installation practices TYPE SIZE OVERFILL LAUNCH BANDWIDTH MHz.km EFFECTIVE LASER LAUNCH BANDWIDTH MHz.km MMOF /125 µ 850 nm 1300 nm 850 nm OM1 50 or 62.5 200 500 Not Specified OM2 50 or 62.5 500 500 Not Specified OM3 50 1500 500 2000 Table 1 Table 2 11/14/2005 ADC Proprietary and Confidential 8 10,000 Mbps 100 Mbps 9 SMOF @ 1310 & 1550nm distance depends on transmitter & receiver eg 15km if high power 500m 2 km300m Table 3 KRONE Optical Fibre Recommendations 50/125u MMOF OM3 1500 MHz.km MBW @850nm 1,000 Mbps 9/125u SMOF @ 1310nm OS1 50/125u MMOF OM2 500 MHz.km Modal Band Width @ 850nm 50/125u MMOF OM2 500 MHz.km Modal Band Width @ 850nm 62.5/125u MMOF OM1 200 MHz.km Modal Band Width @850nm Cabling Components 11/14/2005 ADC Proprietary and Confidential 9 • ISO/IEC 11801:2002 – Directed at Building Professionals, Architects, Designers, Installers – Defines performance for cabling components, permanent links, channels – Defines Class A, B, C, D, E and F – Defines CD, BD, FD, CP, MUTO, TO • Why is it still a draft? Waiting on the publisher. – ISO/IEC 11801 was voted on and approved in June 2002 – Delays were not on PL and Channel performance – Delays were on how to measure components for Cat6 & 7 • France refuses to accept the American connector as an alternative claiming patent infringements. Cabling Components 11/14/2005 ADC Proprietary and Confidential 10 System Elements [...]... Cord = 5m Horizontal PL Distance: H = 105 - FX - CY = 105 - (3+5)x1.5 - 5x1 = 105 - 12 - 5 = 88m 11/14/2005 ADC Proprietary and Confidential 13 How far on Horizontal Copper? What happens if the TO is changed to a MUTO with 12m Work Area leads? 88m + 12m = 100m Therefore OK? Wrong! H = 105 - FX - CY = 105 - (12+5)x1.5 - 5x1 = 105 - 25.5 - 5 = 74.5m 11/14/2005 ADC Proprietary and Confidential 14 How far.. .System Models Fig 11a Fig 11c Inter - Connect to TO Fig 11b Cross - Connect to TO 11/14/2005 Inter - Connect + CP Fig 11d Cross - Connect + CP ADC Proprietary and Confidential 11 How far on Horizontal Copper? Table 4 11/14/2005 ADC Proprietary and Confidential 12 Calculation - Example Example: • Class D performance • Work Area Lead = 3m... The summertime temperature in some ceilings can be 40°C What should H be now? Fixed Cabling, CP Link length has changed from 88m to 68.5m H2 = H1 - 0.4% per °C above 20°C = 74.5 - 0.4% x (4 0-2 0) = 74.5 - 8% = 74.5 - 6 = 68.5m 11/14/2005 ADC Proprietary and Confidential 15 How far on Backbone Copper? Table 5 11/14/2005 ADC Proprietary and Confidential 16 Spaces – Telecommunications Room TR • Building... closer fixing if necessary – No cabling in lift shafts – Conduit fill rate = 40% (for > 3 cables) 11/14/2005 ADC Proprietary and Confidential 21 Pathways – Intra Building • Types of Horizontal Pathways are: – Underfloor ducts – Cellular floors – Conduit – Access floors – Ceiling distribution • Pathways in a Building consist of combination of these systems 11/14/2005 ADC Proprietary and Confidential... pathway – Maximum occupant density – Cable density – Cable diameter – Pathway capacity – Cabling requirements for other system requirements 11/14/2005 ADC Proprietary and Confidential 23 Pathways – Intra Building • The useable floor space is the area used by the occupants for their daily working fuctions • For design purpose – Include Hallways spaces – Exclude other common building spaces (e.g Janitor,... » Standard 2100 – 2500mm² » Large 11/14/2005 4900 – 5700mm² ADC Proprietary and Confidential 27 Pathways – Intra Building • Pathway Size Design – Work from WA back to FD, then to BD – Design for at least 3 x 4 pair cables / WA (recommend 4 x cables) – Recommend end maximum fill rates: » 40% conduits » 50% trays & skirting duct 11/14/2005 ADC Proprietary and Confidential 28 Pathways – Inter Building... runs from feeder ducts to specific floor areas Duct couplings: joint ducts to form a system Duct inserts: provide opening in a distribution duct after concrete is poured Junction box: permit changes in cable direction and provide access for pulling cables ADC Proprietary and Confidential 26 Pathways – Intra Building • Design Guidelines for Underfloor ducts – For planning purpose, set 650mm² feeder and... 3.4m (for 1000m2 floor) • TR Lighting = 500 lux at 1m above floor • Light fittings > 2.4m above floor 11/14/2005 ADC Proprietary and Confidential 17 Spaces – Equipment Room ER • ER size = 40m2 (for 4 floors each 1000m2) • ER's contain active equipment generating heat • HVAC = 18 - 24°C with 3 0-5 0% relative humidity (measured 1.5m above finished floor) • Allow space for BAS equipment • Specific buildings... other common building spaces (e.g Janitor, Pantrys) • The standard floor space allocation for office environtment is one Work Area for every 10m² 11/14/2005 ADC Proprietary and Confidential 24 Pathways – Intra Building • The pathway capacity should be designed to accommodate minimum three runs of horizontal cable one Work Area; the extra space allowance will facilitate additions, changes and alterations... • Fully packed Telecommunications cables especially Data grade cables e.g Cat.5e, Cat.6 will degrade the cable transmission performance significantly 11/14/2005 ADC Proprietary and Confidential 25 Pathways – Intra Building • Underfloor Duct Systems – – – Available in rectangular shape May be installed in single, double or tripple runs Consicts of combinations of large, standard and small capacity to . DESIGNING DESIGNING STRUCTURED STRUCTURED CABLING SYSTEMS CABLING SYSTEMS Anton Indrawata, RCDD, Dipl.Ing. Regional Training Manager 11/14/2005 ADC. 4 11/14/2005 ADC Proprietary and Confidential 13 Calculation - Example Horizontal PL Distance: H = 105 - FX - CY = 105 - (3+5)x1.5 - 5x1 = 105 - 12 - 5 = 88m Example: •