| Date post: | 19-Jun-2015 |
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Physical Layer:Fundamental Infrastructure for Top
Performance Services of a Data Center
Dimitris FilippouBusiness Development Manager
IEEE & PMI Member, BICSI Country Chair,
ELOT Technical Committee TC93 Member
CENELEC TC209 & TC215 Delegate of National Technical Committee
CENELEC BTWG 132-3 Member
Physical Layer & Cabling System
Application Layer
Presentation LayerSession LayerTransport Layer
Network Layer
Data Link Layer
Physical Layer
Applications
Data Transmission
Active Components
Passive Components
Data Center Cabling Design
• Standards.
• Cabling “Shall”.
• Future-proof Cabling.
• Certification & Warranty.
• Availability.
• Drawings.
Standards
Standard Bodies
GeneralElectrical
Depending on Products
TelecommunicationsDepending on Applications
International ISO IEC ITU-T & IEEE
European CEN CENELEC ETSI
U.S.A. ANSI NEC TIA/EIA
U.S.A. standards are only for informative purposes in Europe.
Quality of System - International
Quality of System - Europe
Site Infrastructure Requirements
• Site Selection.
• External Network Access.
• Spaces and Pathways.
Cabling System “Shall”
• Copper Cabling shall be … minimum CLASS EA
• Copper Cabling shall be … SHIELDED.
• Fiber Optic Cabling shall be… only:
– OM3/OM4 Multimode Fibers.
– OS1 Singlemode Fibers.
Future-proof Cabling
• Support today’s technologies(IEEE 802.3an 10Gbase-T, 10Gbps Ethernet).
• Support future technologies(IEEE 802.3ba 40Gbps & 100Gbps).
“Green” Cabling System• Directive 2002/95/EC
Restriction of Hazardous Substances (RoHS).
• Directive 2002/96/ECWaste Electrical and Electronic Equipments (WEEE).
• Directive 1907/06/ECRegistration, Evaluation, Authorization and Restriction of Chemicals (REACH).
• CENELEC, IEC StandardsLow Smoke Zero Halogen (LSZH/LSOH)
The Reality of Measurements
• Measurements according to
standards:
– ISO/IEC 11801, A1 & A2
– CENELEC EN 50173-1, A1
– IEEE 802.3an
• Certified Tester with the
appropriate accuracy level.
Cabling System Warranty
Life-time Warranty in
Application Performance.
• Today : IEEE 802.3an
(10Gbps)
Warranty shall be … only
from the component
manufacturer!
Warranty shall be … signed
only by the QD and the PM!
Availability (A)
timemission
timeupdaccumulateA
According to ITU-T recommendations:
timedowndaccumulatetimeupdaccumulate
timeupdaccumulateA
In case of System + System (S+S) :
%999.99A
Project According to Standards
Agricultural Bank of Greece (ATEbank)
– IT Headquarters.
– Data Center.
Questions
Dimitris FilippouBusiness Development Manager
IEEE & PMI Member, BICSI Country Chair,
ELOT Technical Committee TC93 Member
CENELEC TC209 & TC215 Delegate of National Technical Committee
CENELEC BTWG 132-3 Member
