Digital Equipment DECbrouter 90 Manuale utente

DECbrouter90T

InstallationandOperatingInformation

Order Number: EK–DECBR–OM. A01

First Edition, April 1993

The information in this document is subject to change without notice and should not be

construed as a commitment by Digital Equipment Corporation. Digital Equipment Corporation

assumes no responsibility for any errors that may appear in this document.

The software described in this document is furnished under a license and may be used or copied

only in accordance with the terms of such license.

No responsibility is assumed for the use or reliability of software on equipment that is not

supplied by Digital Equipment Corporation or its afﬁliated companies.

Restricted Rights: Use, duplication, or disclosure by the U.S. Government is subject to

restrictions as set forth in subparagraph (c) (1) (ii) of the Rights in Technical Data and

Computer Software clause at DFARS 252.227-7013.

FCC NOTICE: The equipment described in this manual generates, uses, and may emit radio

frequency energy. The equipment has been type tested and found to comply with the limits for

a Class A computing device pursuant to Subpart J of Part 15 of FCC Rules, which are designed

to provide reasonable protection against such radio frequency interference when operated

in a commercial environment. Operation of this equipment in a residential area may cause

interference, in which case the user at his own expense may be required to take measures to

correct the interference.

The following are trademarks of Digital Equipment Corporation: DEC, DECbridge, DECbrouter,

DECconnect, DECrouter, DECstation, DEC EtherWORKS, HUBwatch, ThinWire, and the Digital

logo.

All other trademarks and registered trademarks are the property of their respective holders.

This document was prepared using VAX DOCUMENT, Version 2.1.

Contents

Preface ..................................................... vii

1 Overview

Features.................................................. 1–1

DECbrouter90T1........................................ 1–2

DECbrouter90T2........................................ 1–2

DECbrouter90T2A ...................................... 1–3

TypicalConﬁgurations....................................... 1–5

Installation ............................................... 1–8

LEDsandConnectors ....................................... 1–9

2 Installation

StandaloneInstallation ...................................... 2–1

Selectalocation. ........................................ 2–1

Place the DECbrouter 90 on a table. . . . . . . . . . . . . . . . . . . . . . . . . . 2–1

Mount the DECbrouter 90 on a wall. . . . . . . . . . . . . . . . . . . . . . . . . . 2–2

Connectthecables. ...................................... 2–4

Install and verify devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9

BackplaneInstallation....................................... 2–10

Removethebackcover. ................................... 2–10

Mount the DECbrouter 90 in the backplane. . . . . . . . . . . . . . . . . . . . 2–10

Install and verify devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–12

iii

3 Troubleshooting

BeforeYouStart............................................ 3–1

DECbrouter 90 Standalone Troubleshooting . . . . . . . . . . . . . . . . . . . . . . 3–1

DECbrouter 90 Backplane Conﬁguration Troubleshooting . . . . . . . . . . . . 3–3

A Speciﬁcations and Parts List

PhysicalDimensions ........................................ A–1

Environmental Speciﬁcations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A–1

OperatingEnvironment................................... A–2

ShippingEnvironment.................................... A–2

ElectricalSpeciﬁcations...................................... A–2

PowerSupply........................................... A–3

PowerInput............................................ A–3

PartsList................................................. A–4

B Related Documentation

C DECbrouter 90 Installation Information for the United

Kingdom

ServiceCategories .......................................... C–1

HostPowerRating.......................................... C–2

ModuleIsolation ........................................... C–3

SafetyStatus.............................................. C–3

CableApproval ............................................ C–3

SupportedCables........................................... C–3

Equipment Between the Approved Module and a Digital Circuit

(PTT) .................................................... C–4

Index

Figures

1–1 Typical DECbrouter 90T1 Connection . . . . . . . . . . . . . . . . . . 1–6

1–2 Typical DECbrouter 90T2 or DECbrouter 90T2A

Connection....................................... 1–7

1–3 DECbrouter90LEDs............................... 1–9

2–1 Removing the Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2

2–2 Mounting the DECbrouter 90 . . . . . . . . . . . . . . . . . . . . . . . . . 2–3

2–3 DECbrouter 90T1 with a Twisted Pair (10BASET)

Connection....................................... 2–5

2–4 DECbrouter 90T1 with a ThinWire (10Base2) Connection . . . 2–6

2–5 DECbrouter 90T2 or DECbrouter 90T2A with a Twisted Pair

(10BASET)Connection.............................. 2–7

2–6 DECbrouter 90T2 or DECbrouter 90T2A with a ThinWire

(10Base2)Connection............................... 2–8

2–7 Removing the Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–10

2–8 Mounting the DECbrouter 90 . . . . . . . . . . . . . . . . . . . . . . . . . 2–11

Tables

1–1 DECbrouter 90 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4

1–2 DECbrouter90LEDs............................... 1–10

3–1 Troubleshooting a DECbrouter 90 Standalone Unit . . . . . . . . 3–1

3–2 Troubleshooting a DECbrouter 90 in a DEChub 90

Backplane ....................................... 3–3

A–1 X.21 Cable Connections (BC12F-06, 17-03580-01) . . . . . . . . . A–5

A–2 RS422 Cable Connections (BC12H-06, 17-03767-01) . . . . . . . A–6

A–3 V.35 Connection BC12G-06, 17-03766-01 . . . . . . . . . . . . . . . . A–8

A–4 RS530A Cable Connections BC12J-06, 17-03760-01 . . . . . . . . A–9

A–5 RS423 Cable Connections BC12K-06, 17-03761-01 . . . . . . . . . A–11

A–6 V.28/RS232 Cable Connections BC12L-06, 17-03762-01 . . . . . A–13

A–7 Cable Connections for Console Converter . . . . . . . . . . . . . . . . A–15

C–1 BABT-Approved Service Speciﬁcations . . . . . . . . . . . . . . . . . . C–2

C–2 ModulePower .................................... C–2

C–3 Cables Supported by the Approved Module . . . . . . . . . . . . . . C–3

Preface

This manual describes how to install and maintain the Digital Wide Area

Router/Bridge—the DECbrouter 90. This manual contains information on the

following three models:

• DECbrouter 90T1—single port

• DECbrouter 90T2—dual port

• DECbrouter 90T2A—dual port

The DECbrouter 90 is designed to work either as a standalone unit or in the

DEChub 90 backplane.

Organization

This manual contains three chapters and three appendices.

• Chapter 1 provides an overview of the DECbrouter 90 and describes the

features of the DECbrouter 90.

• Chapter 2 provides instructions for installing the Digital Wide Area

Router/Bridge.

• Chapter 3 provides basic troubleshooting information.

• Appendix A provides product speciﬁcations and a parts list.

• Appendix B lists related documents that can help you become more familiar

with your new system.

• Appendix C contains installation information, which is required for the

United Kingdom only.

vii

Conventions

This manual uses the following conventions:

Convention Meaning

Note Provides general information about the current topic.



A number in a black circle in text refers to the corresponding

number in an accompanying illustration.

viii

Overview

This chapter describes the features of the DECbrouter 90, shows several

typical conﬁgurations, summarizes the installation procedures for the

DECbrouter 90, and describes the DECbrouter 90 LEDs and connectors.

The DECbrouter 90 family consists of three models:

• DECbrouter 90T1

• DECbrouter 90T2

• DECbrouter 90T2A

Features

The DECbrouter 90 provides the following features:

• Choice of Ethernet in either ThinWire (10Base2) or twisted pair (10BASET)

• Choice of serial port conﬁgurations:1

EIA530A2

RS232/V.28

RS449/RS422/V.112

RS449/RS423/V.102

V.353

V.362

X.21 Leased Lines (LL)

• Console port

• Installable on a DEChub 90 backplane

1One serial port for DECbrouter 90T1 and two for either DECbrouter 90T2 or

DECbrouter 90T2A models.

2Not available for DECbrouter 90T2.

3Not available for DECbrouter 90T2A.

Overview 1–1

Overview

Features

• Simple Network Management Protocol (SNMP) through HUBwatch or

other network management system

Table 1–1 summarizes the features for each model of the DECbrouter 90.

DECbrouter 90T1

The DECbrouter 90T1 is a Digital Wide Area Router/Bridge consisting of

two interfaces and one console port. The interfaces consist of one Ethernet

interface and one synchronous serial port. The Ethernet interface is either a

ThinWire port (10Base2) or a twisted pair port (10BASET) exclusively. The

synchronous serial port supports one of the following seven standards as

determined by the cable attached to the serial port:

• EIA530A

• RS232/V.28

• RS449/RS422/V.11

• RS449/RS423/V.10

• V.35

• V.36

• X.21 Leased Lines

The console port consists of an asynchronous RS232 serial port.

DECbrouter 90T2

The DECbrouter 90T2 is a Digital Wide Area Router/Bridge consisting of

three interfaces and one console port. The interfaces consist of one Ethernet

interface and two synchronous serial ports. The Ethernet interface is either

a ThinWire (10Base2) port or a twisted pair (10BASET) port exclusively. The

synchronous serial ports support any two of the following three standards,

in any combination, as determined by the cable attached to the synchronous

serial port:

• RS232/V.28

• V.35

• X.21 Leased Lines

The console port consists of an asynchronous RS232 serial port.

1–2 Overview

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