ADSL training course description
ADSL is a broadband technology providing fast Internet access (amongst other applications) over existing
telephone lines. This course covers an overview of the DSL family, what ADSL is through to how ADSL works.
Who will benefit?
Network engineers and anyone who will be working with ADSL.
ADSL training course prerequisites
Intro to data communications & networking.
ADSL training course objectives
By the end of the course delegates will be able to:
- Recognise the benefits of ADSL.
- Describe what ADSL is.
- Describe how ADSL works.
- Describe the ADSL architecture.
- Recognise the limitations of ADSL.
- List the elements required for an ADSL installation.
Duration: 2 days
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ADSL training
course contents
What is ADSL?
Broadband definitions, OSI layer 1, ADSL services, WANS. ADSL
features: always on, point to point, Asymmetric, speeds. ADSL
benefits, xDSL family, standards, history, example DSL forum
documents.
ADSL architecture
The big picture, The PSTN and telephones, Digital and analogue,
PSTN and modems, ADSL vs. modem speeds, Block 1: Customer
premises, Block 2: The last mile, Block 3: The exchange,
Block 4: the core network.
Customer premises
Splitters, micro filters, splitter architectures, Splitterless
ADSL, ADSL modems, USB, ADSL routers.
The local loop
ADSL PHY, Some basics, ADSL margins, speed implications,
distances, RADSL, Line testing, whoosh tests, line coding,
multiple channels, FDM, echo cancellation, Modulation:
AM, FM, PM, QAM, QAM constellations, DMT, CAP, Framing,
Superframes, fast data mode, interleaved mode, RADSL revisited.
The exchange
Local exchange ADSL items, DSLAMs, ADSL racks, Contention.
The core network
The role of the core network, ATM, ATM VPI/VCI, ATM cells,
ATM layers, AAL5, RAS, Home gateways.
ADSL and the higher layers
Layer 2 choices, PPPoA, PPP, CHAP, layer 4 and above, ADSL
and IP, ADSL and ATM.
Installing and configuring ADSL
Choosing providers, line activation, hardware requirements,
Configuring layer 1 and layer 2, Configuring IP.
Summary
ITU ADSL standards.
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