Nortel AccessNode 2016 Manuale utente

P0905277

AccessNode Products

AN2016 Cabinet

User Guide

Standard Rel 1.0 May 1999

What’s inside...

Cabinet introduction

Equipment

Installation guidelines

Alarms

Maintenance

Ordering information

The information contained herein is the property of Nortel and is strictly confidential. Except as expressly authorized in writing by

Nortel,theholdershallkeep all information contained hereinconfidential,shall disclose it onlyto its employeeswith a need to know,

and shall protect it, in whole or in part, from disclosure and dissemination to third parties with the same degree of care it uses to

protect its own confidential information, but with no less than reasonable care. Except as expressly authorized in writing by Nortel,

the holder is granted no rights to use the information contained herein.

Nortel Networks is a trademark of Northern Telecom.

Helios is a trademark of Astec Advanced Power Systems, Ltd.

Printed in Canada

User Guide Rel 1.0 Standard May 1999

iii

Contents

About this document vii

Cabinet introduction 1-1

AN2016 cabinet description 1-1

Applications 1-2

Basic cabinet configuration 1-2

Equipment 2-1

AN2016 cabinet structure 2-5

Cabinet physical design 2-5

Exterior 2-5

Doors 2-6

Cable access ports 2-6

Heat exchanger system 2-7

Environmental control unit 2-7

Cable routing brackets 2-10

Equipment compartment 2-10

Equipment 2-10

AC compartment 2-12

AC load center 2-13

Battery distribution and disconnect panel 2-14

VF protection 2-14

Ground bar 2-14

Optical fiber cable entrance 2-15

Surge protection center and termination compartment 2-16

SPC and termination compartment equipment 2-16

Ground bar 2-16

Battery compartment 2-17

Battery heater pad 2-17

External battery vault 2-17

Equipment application and configuration 2-20

Applications 2-20

Basic equipment configuration 2-21

672-line AccessNode system 2-21

864-line AccessNode system 2-23

1344-line AccessNode system 2-25

2016-line AccessNode system 2-27

AccessNode equipment descriptions 2-29

AN2016 Cabinet User Guide Rel 1.0 Standard May 1999

Equipment layout 2-30

Access bandwidth manager shelf 2-32

Breaker interface panel 2-34

Local craft access panel 2-35

Copper-distribution shelf 2-36

Equipment fan shelves 2-38

Fan alarms 2-38

Peripheral equipment descriptions 2-39

Rectifiers 2-39

Batteries 2-41

DC distribution shelf 2-41

DSX-1 cross-connect facilities 2-43

Repeater/span DS1 termination facilities 2-48

Mechanical specifications 2-48

Operational specifications 2-49

Environmental control 2-49

Acoustic noise 2-49

Temperature 2-50

Relative humidity 2-50

Altitude 2-50

Altitude conditions and limits 2-51

Regulatory specifications 2-51

Additional information 2-53

Power and grounding 2-53

Alternating current power entrance 2-53

Direct current power requirements 2-53

Battery backup 2-54

Power consumption 2-54

Grounding 2-54

Installation guidelines 3-1

Procedures in this chapter 3-1

3-1 Unpacking the cabinet 3-2

3-2 Selecting the site 3-3

3-3 Preparing a concrete mounting pad for the cabinet 3-4

3-4 Preparing the cabinet for installation 3-12

3-5 Routing the cables to the mounting pad 3-18

3-6 Mounting the cabinet on the pad 3-21

3-7 Leveling the cabinet 3-24

3-8 Installing the cable in the split sleeve 3-26

3-9 Connecting the earth ground to the cabinet 3-28

3-10 Installing the surge arrestor 3-32

3-11 Connecting ac power 3-34

3-12 Installing batteries 3-37

3-13 Installing battery cables from an external vault 3-42

Alarms 4-1

Alarm block location and description 4-1

Alarms definitions 4-3

AC fail alarm 4-3

User Guide Rel 1.0 Standard May 1999

Battery on discharge alarm 4-3

Fuse alarm 4-3

Low voltage alarm 4-3

High voltage shutdown alarm 4-3

Rectifier failure alarm minor 4-3

Rectifier failure alarm major 4-3

Battery distribution panel alarm 4-3

High temp alarm 4-3

Door intrusion alarm 4-3

Remote measurement unit alarm 4-3

DDM + alarm 4-4

Soneplex loop extender alarm 4-4

Alarm connections 4-4

Procedure in this chapter 4-5

4-1 Connecting the alarms 4-6

Maintenance 5-1

Procedures in this chapter 5-1

5-1 Installing the rectifiers 5-2

5-2 Control card replacement 5-4

5-3 Replacing a rectifier 5-5

5-4 Heat exchanger maintenance 5-6

5-5 Replacing the fan 5-7

5-6 Replacing the ECU 5-13

5-7 Starting up the ECU 5-17

5-8 Connecting the fan shelves to the ECU 5-19

Ordering information 6-1

Standard equipment (672 lines) 6-1

Standard equipment (864 lines) 6-23

Standard equipment (1344 lines) 6-30

Standard equipment (2016 lines) 6-36

Optional equipment 6-40

Recommended replacement parts 6-48

AN2016 Cabinet User Guide Rel 1.0 Standard May 1999

User Guide Rel 1.0 Standard May 1999

vii

About this document

This document describes the following aspects of the Nortel Networks

AccessNode 2016 outside plant (OSP) cabinet (AN2016 Cabinet):

• cabinet introduction

• equipment

• installation

•alarms

• maintenance

• ordering information

Audience The audience for this document includes the following groups:

• maintenance technicians and experienced installers

• strategic and current planners

• facility and circuit provisioners

• transmission engineers

• network administrators

• outside plant personnel for the AN2016 Cabinet

How to use this document

It is recommended that you first read this section, then read Chapter 1,

“Cabinet introduction,” and Chapter 2, “Equipment.” These chapters will give

you a good understanding of the cabinet.

Then, you can read the other chapters according to your needs and interests to

learn about the cabinet specifications and other features of the AN2016 OSP

Cabinet.

viii

AN2016 Cabinet User Guide Rel 1.0 Standard May 1999

References in this document

This document refers to these documents from the following product libraries:

• AccessNode, Release AN16 or later:

—Engineering and Ordering Information, 323-3001-032

—Ordering Spare Parts, 323-3001-151

—Configuration and Equipment Description, 323-3001-100

—Features and Services Description, 323-3001-101

—Signal Flow and Circuit Pack Description, 323-3001-102

• Helios System 200/48, Release 4.0 or later:

—Description, Installation, Operation and Maintenance Manual,

167-9021-109

• MPR25/MPR15 Series, Single Phase -48 V, 25A Switch Mode Rectifier

NT5C06B/C, Release 7.0 or later:

—Description, Installation, Operation and Maintenance Manual,

169-2071-500

• Bellcore standards:

— FR-440, Functional criteria for digital loop carrier systems, Issue 02,

January 1997, TR-NWT-000057

— GR-63-CORE, NEBS requirements for physical protection, Issue 01,

October 1995

—GR-487-CORE, Generic requirements for electronic equipment

cabinets, Issue 01, June 1996

— GR-1089-CORE, Electromagnetic compatibility and electric safety

generic criteria for network telecommunications equipment

Warnings and safety precautions

To avoid injury, follow all danger warnings provided with this product and

safety procedures established by your company.

To avoid damage to equipment or service interruptions, follow all caution

warnings provided with this productand safety procedures established by your

company.

User Guide Rel 1.0 Standard May 1999

Samples of danger and caution warnings follow.

Static electricity

Static electricity can accumulate on the body if you walk a short distance. This

static electricity damages some circuit packs and cards if you do not discharge

it. Always place or package circuit packs and cards in antistatic material.

Storing and transporting circuit packs or cards

When you store or transport circuit packs or cards, follow these rules:

• Always place the circuit packs or cards in their antistatic material before

transporting or stacking them.

• Do not store circuit packs or cards where the relative humidity can exceed

95% and temperature can exceed 70° C.

DANGER

Risk of personal injury

A danger warning highlights a risk of personal injury.

CAUTION

Risk of service interruption or equipment damage

A caution warning highlights a risk of service interruption

or equipment damage.

DANGER

Risk of electric shock

This warning highlights a possible electrical hazard. Proceed

with care to avoid personal injury.

CAUTION

Risk of equipment damage

To avoid damaging electronic parts, wear a grounded

antistatic wrist strap or equivalent protection when

you handle circuit packs or cards.

AN2016 Cabinet User Guide Rel 1.0 Standard May 1999

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