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Preparing the

Central Ofce for

GPON Migration

By ADC

Future-proong is the key to any successful

ber-to-the-premises (FTTP) network.

Without a crystal ball to examine future

bandwidth needs and determine winning

technologies, service providers face some

major challenges in getting it right the rst

time.

There are many considerations when

building a passive optical network (PON)

that will enable the exibility of easy

migration to accommodate next generation

requirements. Practical considerations,

based on informed decision-making,

provide the foundation for a cost-effective

transition between legacy and future access

technologies.

For FTTP networks, the advent of Gigabit

passive optical network (GPON) further

validates the need for network exibility.

GPON promises to dominate the access

market by allowing service providers

to deliver high speed, high bandwidth

and packaged services to business and

residential customers.

The importance of future-proong networks

will pay huge dividends to service providers

faced with a migration to GPON. Those

who make informed choices in building

a exible, interoperable, recongurable

network will reap substantial benets

in the move to GPON. Regardless,, the

motivation to make the early move to GPON

is compelling and ensuring your network

is ready not only in the Outside Plant, but

in the Central Ofce as well, is absolutely

crucial.

GPON-Readiness in the CO

the CO, exibility is the key. A network

should never be built for a single

application. Rather, it should be built

with long-term exibility in mind so

that the network can adapt to changes in

equipment and technology. A cross-connect

network offers the necessary exibility for

conguration points. The output connector

side is an important consideration and

should include high quality connectors

that can accommodate higher power. The

angle-polish connector will offer both the

exibility and adaptability as optical output

levels increase to support the migration to

GPON technology.

Cable management is also critical in the

CO, particularly bend radius protection.

Serving an increased number of subscribers

requires careful consideration of loss

budgets and physical ber management

techniques that protect the optical signal

from any degradation. In summary, the CO

considerations for GPON are easily boiled

down into three words – exibility, quality,

and protection.

Flexible Networks = Simplied Migration

While service providers strive to meet

the challenges of upgrading their FTTP

networks to GPON, solution vendors should

seek to make any migration as seamless

as possible. Flexibility is always the key

to achieving upgrades as easily, quickly,

and painlessly as possible – and will likely

be the differentiator among the service

providers of the future. Although seeing

into the future may not be an exact science,

making informed decisions for your CO

based on the most exible and reliable

designs available cannot be overemphasized.

The inevitable need to migrate to GPON

technology is today’s reality – with NGPON

(next-generation GPON) already being

envisioned for the near future. With a little

thoughtful planning in the CO as well as the

outside plant, service providers will ensure

their network has the exibility to make a

smooth, cost-effective migration to GPON,

NGPON and whatever access technologies

tomorrow may bring.

Westell - Intelligent

Carrier-class Products

By Westell

Westell Technologies, Inc. (NASDAQ:

WSTL) is a holding company for Westell,

Inc. and ConferencePlus, Inc. Westell, Inc.

is a Tier-1 provider of intelligent, carrier-

class broadband access and networking

products, manufactured using a TL9000

registered quality management system.

ConferencePlus is a collaborative Application

Service Provider that manages and hosts

voice, video, IP applications and back-office

services.

Founded in 1980 and IPO in 1995, Westell

is headquartered near Chicago, Illinois,

U.S.A. Westell was an early pioneer of DSL

technology and a founding member of the

DSL Forum. In 1996 Westell led the world

in DSL tests for telephone companies, long-

distance carriers, Internet Service Providers

and other businesses in this expanding eld.

A summary of the company’s three sectors

include:

Customer Networking Equipment

Westell’s broadband customer networking

solutions enable residential, small business

and Small Ofce Home Ofce (SOHO) us-

ers to access the Internet through the power

of broadband xDSL technology, and to net-

work multiple computers, phones and other

communications devices. These devices

include all-in-one mediastations, gateways,

routers, and modems that enable the deliv-

ery of high-speed data, VoIP, IP video, and

emerging IP Multimedia Subsystem (IMS)-

based services.

Network Service Access

Westell network service access products en-

able the transmission, maintenance, and trou-

bleshooting of multiple broadband solutions

from the customer access point to the serving

Central Ofce (CO). This division

is responsible for Westell carrier transport

and multiplexers. These products enable our

customers to provision and manage a range

of broadband services from the end-serving

Central Ofce (CO) to end point facilities.

Conferencing Services

ConferencePlus, a Westell subsidiary, offers

complete conferencing services including

voice, video, and IP data conferencing, to

carriers and multi-national corporations

throughout the world.

Westell Technologies, Inc.

750 N. Commons Drive

Aurora, IL U.S.A. 60504

Phone: 800-323-6883

Fax: 630-375-4931

www.westell.com

ConferencePlus, Inc

1051 E. Woodfield Road

Schaumburg, IL USA 60173

Phone: 800-866-0888

Fax: 800-837-4274

www.cpi.com

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