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The Future of Cabling in Asia
Copper and Fiber Network Evolution
James Young,
Technical Director APAC,
Commscope
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Agenda
Category 8 cable – Are you Joking?
PON – E vs G
Fiber – Great for speed, skills check for Contractors
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TIA TR42.7 NG-BaseT Objectives
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NGBase – T (but where)
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40G – A delicated balance
Cabling Electronics
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A D C E N O B
Frequency (MHz)
75m
50m
25m
Improving
at a rate of
1.5 bits per
7 years1
1Projection : based on work by R.H. Walden, IEEE Journal on Communications
100m
75m
50m
25m
10GBASE-T
(400 MHz)
100m
75m
50m
25m
40Gbps
(1 GHz)
40Gbps
(1.6 GHz)
100Gbps
(3.2 GHz)
Feasibility of 40/100G on Cat-?
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Next Generation Cabling
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What is Cat 8?
Optimal Actua
l
7A
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PON History
• Initial PON (1990s) were based on ATM framing (APON, BPON)• ATM-based BPON were inefficient, majority of traffic through the access network
was IP traffic.
• Ethernet based PON (EPON), QOS-aware Gigabit Ethernet (GbE) (VLANs,
prioritization, OAM) and integration with other Ethernet equipment.
• Gigabit-capable Passive Optical Network (GPON) proposed by FSAN
members (Quantum Bridge et. al) - dual Gigabit speed ATM/Ethernet PONto IEEE 802.3ah – had to continue this work within the ITU.
• EPON and GPON both draw on G.983, the BPON standard• (PON operation, ODN framework, wavelength plan, and application)
• designed to better accommodate variable length IP frames at Gigabit line rates.
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EPON & GPON Basics
Ethernet Passive Optical Network (EPON)
Sometimes called GEPON (Gigabit Ethernet Passive Optical Network)
IEEE 802.3 standard, ratified as 802.3ah-2004 for 1Gbits/s
IEEE 802.3av standard for 10Gbits/s
Uses standard 802.3 Ethernet data frames
Gigabit Passive Optical Network (GPON) ITU Standard G.984
Downstream 2.488Gbits/s, Upstream 1.244/2.488Gbits/s
ITU Standard G.987 for 10Gbits
Downstream 10Gbits/s, Upstream 2.488/10Gbits/s
Uses GPON Encapsulation Method (GEM), fragmented packets or ATM(most implementations use GEM as ATM is expensive)
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EPON & GPON Framing
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Video
Data
POTS/VoIP
TDM
Security
Automation
ServicesSubscribersODN
Network
Residential
Medium
Multi-Tenant
Small
WDM
edge10
Splitter
1G PON
1G PON
Large
Splitter
1n
1n
Multi class Services
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EPON Interoperability
GE PON
Optical Splitter
OLT
1
64SRW224
Cisco SwitchFP ONU
• SFP form-factor ONU
• Plugs into any SFP-enabled device
• Switches, routers, DAS,
specialized modems
• EPON manages ONU; In-band
management for device
Management /Provisioining
System
November 29, 2012
ONU
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SubscribersODNRF VideoResidential
In-BuildingAntennas
Business
WDM
CommScopeOLT
Splitter/Optical Tap
1G PON
Splitter
1n
1n
CMTS/STBcontroller
VideoTransmitt
er
ReturnPath
Receiver
Video
EDFA
Combinernetwork
RF Video
CommScopeOLT
ONT
DASFiberNode
DASDonor
Antenna
WDM
DAS Supported
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PON Deployment
2.5 Million subscribers
Largest current customers Korean Telecom (KT) and LG
Deployments around the world
USA
Korea
India
Bulgaria
Russia
Czech Republic
Vietnam
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NG Fiber Networks
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Economics: 40/100GbE is more cost-effective over
multimode fiber that single-mode fiber
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Application Requirements
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Application Metrics
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Scalable support for 40/100GbE