Essential Broadband access for engineers

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.

What will you learn

Broadband access training course details

Network engineers and anyone who will be working with ADSL.

Intro to data communications & networking

2 days

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.

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.

Splitters, micro filters, splitter architectures,
Splitterless ADSL, ADSL modems, USB, ADSL
routers.

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.

Local exchange ADSL items, DSLAMs, ADSL
racks, Contention.

The role of the core network, ATM, ATM VPI/VCI,
ATM cells, ATM layers, AAL5, RAS, Home
gateways.

Layer 2 choices, PPPoA, PPP, CHAP, Layer 4
and above, ADSL and ATM.

Choosing providers, line activation, hardware
requirements, Configuring layer 1 and layer 2,
Configuring IP.

ITU ADSL standards