Exhibit 21-a

ADC TELECOMMUNICATIONS, INC.

SUBSIDIARIES
(10/31/02)

Name

State/Country of Organization2409772 Ontario Inc.

OntarioADC (India) Communications & Infotech Private Limited

IndiaADC Broadband (Hong Kong) Limited

Hong KongADC Broadband Access Systems, Inc.

DelawareADC Broadband Italy SRL

ItalyADC Broadband Wireless Group, Inc.

PennsylvaniaADC Danmark ApS (also known as ADC Denmark ApS)

DenmarkADC de Delicias, S. de R.L. de C.V.

MexicoADC de Juarez, S. de R.L. de C.V.

MexicoADC de Mexico S.A. de C.V.

MexicoADC DSL Systems, Inc.

DelawareADC Europe N.V.

BelgiumADC Funding Company, LLC

DelawareADC Global Holdings, Inc.

MinnesotaADC International Finance Services

United KingdomADC International Holding Company

MinnesotaADC International OUS, Inc.

MinnesotaADC International, Inc.

BarbadosADC Irish Holding I, LLC

MinnesotaADC Irish Holding II, LLC

MinnesotaADC Irish Holding III, LLC

MinnesotaADC Irish Holding IV, LLC

MinnesotaADC Irish Holding V, LLC

MinnesotaADC Irish Holding VI, LLC

MinnesotaADC Liquidating Co. (UK) Ltd.

United KingdomADC Mersum US, Inc.

MinnesotaADC OUS Holdings, LLC

DelawareADC Puerto Rico, Inc.

Puerto RicoADC Receivables Corp. I

Minnesota


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ADC Services Fulfillment, Inc.

New JerseyADC Software Holding Ltd.

CanadaADC Software Systems (Ireland) Limited

IrelandADC Software Systems Australia Pty. Ltd.

Queensland, AustraliaADC Software Systems C.I. Ltd.

Channel IslandsADC Software Systems Canada, Ltd.

CanadaADC Software Systems UK

United KingdomADC Software Systems USA, Inc.

DelawareADC Solitra, Inc.

MinnesotaADC Systems Integration France, S.A.S.

FranceADC Systems Integration UK Limited

United KingdomADC Telecom Canada Inc.

CanadaADC Telecommunicaciones Venezuela, S.A.

VenezuelaADC Telecommunication (Investments) Israel Ltd.

IsraelADC Telecommunications (China) Limited

Hong KongADC Telecommunications (Holdings) Pty. Limited

AustraliaADC Telecommunications (Nanjing) Co., Ltd.

ChinaADC Telecommunications (Scotland) Limited

ScotlandADC Telecommunications (Shanghai) Distribution Co., Ltd.

ChinaADC Telecommunications (Switzerland) AG

SwitzerlandADC Telecommunications Australia Pty. Limited

AustraliaADC Telecommunications Equipment Industry and Trade Co., Limited

TurkeyADC Telecommunications GmbH

GermanyADC Telecommunications Holding, Inc.

MinnesotaADC Telecommunications Israel Ltd.

Israel


2

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ADC Telecommunications Netherlands B.V.

NetherlandsADC Telecommunications Sales Holding, Inc.

MinnesotaADC Telecommunications Sales Sweden AB

SwedenADC Telecommunications Sales, Inc.

MinnesotaADC Telecommunications Singapore Pte. Limited

SingaporeADC Telecommunications UK Ltd.

United KingdomADC Telecomunicacoes do Brasil Ltda

BrazilADC Teledata Communications (Philippines), Inc.

PhilippinesADC Wireless Finland OY

FinlandAltitun AB

SwedenAltitun Finans AB

SwedenAltitun Ltd.

United KingdomBAS International Limited

DelawareBroadband Equipment Sales Company Sweden AB

SwedenCodonoll Technology Corporation

DelawareCommTech Europe Limited

United KingdomComputer Telecom Installations France SAS

FranceDSL Research, LLC

DelawareG-Connect, Ltd.

IsraelMeta Telecomunicacoes S/A

BrazilMetrica Ltd.

United KingdomNihon ADC K.K.

JapanOSS Software Corporation

New JerseyPairGain Canada Holdings, Inc.

CanadaPairGain Canada, Inc.

CanadaPairGain International Sales Corporation

U.S. Virgin IslandsPairGain LLC

MinnesotaPairGain Technologies UK Ltd.

United KingdomPathway, Inc.

Ohio


3

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PCS Solutions Canada, Inc.

British ColumbiaPCS Solutions, LLC

DelawarePrinceton Optics, Inc.

New JerseyT.D.C. Holdings B.V.

NetherlandsTDC Teledata Communication GmbH

GermanyTeledata Communication Australia Pty. Ltd.

AustraliaTeledata Communications Hellas LLC

GreeceTeleprocessing Products, Inc.

CaliforniaTelesphere Solutions, Inc.

MinnesotaTTT S.A.Telsul Teledata Communicacoes do Brasil

Brazil


4

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