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Released under FOI Act - nbn 1718/62
nbn™ HFC Update
nbn Government Relations
12/8/2017
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Agenda
Released under FOI Act - nbn 1718/62
•
Introduction to HFC in the MTM
•
Components of the HFC network
•
Rollout of the HFC Network
•
HFC Pause announcement
•
Questions
2
12/8/2017
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Technology allocation
Released acr
under FOI
os
Act - nbn s A
1718/62 ustralia
nbn uses a set of business rules when determining the technology for an area to meet the
key objectives of:
•
delivering a minimum wholesale 25/5mbps
•
using a mix of technologies best matched to each area
•
building the network by 2020
Considerations:
•
Density of premises
•
Proximity to
nbn infrastructure – backhaul, transit and exchange availability, etc.
•
Existing infrastructure
3
Released under FOI Act - nbn 1718/62
Technology allocation – MTM
•
Fixed line (92%)
FTTP, FTTN/B, HFC, FTTC
•
Fixed wireless (5%)
•
Sky Muster (3%)
4
Released under FOI Act - nbn 1718/62
What is Hybrid Fibre Coax (HFC)?
•
HFC networks installed extensively during the 80s and 90s to deliver Cable (Pay)
TV services
•
Originally downstream service only growth in broadband
•
Data-
Over-
Cable
Service
Interface
Specifications
•
Currently available via Telstra and Optus Nationally
•
Nbn is only using the Telstra
5
Why HFC?
Released under FOI Act - nbn 1718/62
•
HFC is a leading Broadband delivery method
around the world
•
around 140 million subscribers worldwide,
roughly 20% of total broadband subs.
•
DOCSIS 3.0 services are currently delivering
100Mbps+ services in over 30 broadband markets
•
Using DOCSIS 3.0 services operators are already
offering services of
500Mbps
•
Launch of DOCSIS 3.1 services:
1Gbps
6
12/8/2017
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Released under FOI Act - nbn 1718/62
Key HFC components
Exchange: CMTS
RF Tap
(Cable Modem Termination System)
Aerial tap
Tap in pedestal
RF amplifier
Amplifier in pedestal
Fibre-optic node / hub
Aerial amplifier
Aerial example
7
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In Home Connection S
Released et
under -Up
FOI Act -
nbn 1718/62
Ethernet Cable
Ethernet Cable
Coax Fly Lead
VoIP Service
Coax Tie Cable
Coax Lead-in
Coax Fly Lead Pay TV
PCD
Wall Plate Splitter
NTD
Gateway
Pay TV
8
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Pause announcement
Released under FOI Act - nbn
1718/62
• Pause on connection, rollout and activation across all HFC areas
• What happens to your constituents:
• Already connected to the nbn HFC network: no impact
• In a live area, have not yet connected: No new orders progressed
• In a construction area: pause applies
• Construction yet to commence: pause applies
• Redirection of our crews back to live areas
• Correspondence to affected premises
• Rollout remains on target for 2020 completion
9
Released under FOI Act - nbn 1718/62
Pause announcement
• Pause on connection, rollout and activation across all HFC areas
• Frequency impacted
• Leakage points
• F-Type connectors change out
• Installation of lead-ins where necessary (elimination of SC20 & SC21s)
10
Released under FOI Act - nbn 1718/62
Questions
11
12/8/2017
COMMERICAL-IN-CONFIDENCE NOT FOR DISTRIBUTION
© 2016 nbn co ltd. ‘nbn’ is a trade mark of nbn co ltd
Released under FOI Act - nbn 1718/62
Questions
12
12/8/2017
COMMERICAL-IN-CONFIDENCE NOT FOR DISTRIBUTION
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