Digital Equipment DECserver 90L+ Manuale utente

DECserver90L+

Owner’sManual

Order Number: EK-DSRVG-OM.001

January 1992

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.

Printed in U.S.A.

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, DECconnect,

DECnet, DECserver, Digital, VMS, LAT, VAX, and the DIGITAL logo.

This document was prepared using VAX DOCUMENT, Version 2.0.

Contents

About This Manual...................................... vii

1 Overview

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

Quick Start . . . ....................................... 1–2

2 Installing the DECserver 90L+

Standalone Installation . . ............................... 2–1

Mount DECserver 90L+. ............................. 2–1

Remove Cover (if necessary). . . . ....................... 2–3

Make Connections. . . . ............................... 2–4

Verify Ports. ....................................... 2–4

Verify Network. .................................... 2–4

Start Terminal Session. .............................. 2–5

Backplane Installation . . . ............................... 2–5

Remove Cover (if necessary). . . . ....................... 2–5

Mount DECserver 90L+. ............................. 2–6

Verify Ports. ....................................... 2–8

Verify Network. .................................... 2–8

Start Terminal Session. .............................. 2–9

3 Operating the DECserver 90L+

Using a Terminal or Personal Computer .................... 3–1

Establishing a Terminal Session ....................... 3–1

Ending a Terminal Session ........................... 3–2

Last Number Redial . . ............................... 3–3

Interrupting a Terminal Session ....................... 3–3

Resuming an Interrupted Terminal Session ............... 3–5

Cycle Forward from an Interrupted Terminal Session . ...... 3–5

Cycle Backward from an Interrupted Terminal Session ...... 3–5

iii

Disconnecting an Interrupted Terminal Session............ 3–6

Using MOP Console Carrier.............................. 3–6

Operating as a Console Requester ...................... 3–7

Operating as a Console Server . . ....................... 3–7

Using a Printer ....................................... 3–7

DECserver 90L+ Commands ............................. 3–8

DECserver 90L+ Information and Error Codes ............... 3–10

4 Managing the DECserver 90L+

Local Management ..................................... 4–2

Remote Management ................................... 4–2

Accessing MOP from VMS ............................ 4–2

Accessing MOP from ULTRIX . . ....................... 4–4

Security ............................................. 4–5

Management Commands . ............................... 4–6

SET Command ..................................... 4–6

Setting Port Parameters . . . ....................... 4–6

Setting and Clearing Authorized Operation ............ 4–10

Enabling and Disabling AutoConﬁgure ............... 4–14

Enabling and Disabling Dedicated Service ............. 4–18

Enabling and Disabling Manager Mode ............... 4–22

Enabling and Disabling On-Demand Loading .......... 4–26

Changing Password by Menu ....................... 4–30

Enabling and Disabling Ports ...................... 4–32

Enabling and Disabling Preferred Service ............. 4–36

Setting Server Parameters . . ....................... 4–40

SHOW Command ................................... 4–43

SHOW PORTS . . . ............................... 4–43

SHOW SERVER. . ............................... 4–47

SHOW DEDICATED/PREFERRED SERVICE .......... 4–49

RESET Command . . . ............................... 4–50

Command Line..................................... 4–51

Using a Printer ....................................... 4–54

5 Troubleshooting the DECserver 90L+

A Speciﬁcations and Parts List

Physical Dimensions ................................... A–1

Environmental Speciﬁcations ............................. A–2

Operating Environment .............................. A–2

Shipping Environment ............................... A–2

Power Speciﬁcations.................................... A–3

Power Supply ...................................... A–3

DECserver 90L+ ................................... A–3

Connector Pin Out ..................................... A–3

LAT Speciﬁcations ..................................... A–5

Parts List ............................................ A–6

B Related Documentation

Ordering Information . ............................... B–1

Index

Figures

1–1 Sample DECserver 90L+ Connection .............. 1–2

1–2 DECserver 90L+ ............................. 1–4

2–1 DECserver 90L+ Standalone Installation........... 2–2

2–2 Removing the Back Cover of the DECserver 90L+ .... 2–3

2–3 DECserver 90L+ Backplane Installation ........... 2–7

A–1 Port Circuit . . ............................... A–4

Tables

1–1 Supported Terminal Characteristics ............... 1–3

3–1 DECserver 90L+ User Commands . ............... 3–8

3–2 DECserver 90L+ Information and Error Codes ...... 3–10

4–1 Ethernet Circuit Names for VMS-Based Systems .... 4–3

4–2 Ethernet Circuit Names for ULTRIX-Based

Systems .................................... 4–4

4–3 Port Parameters .............................. 4–7

4–4 Server Parameters ............................ 4–40

4–5 Port Status Description . ....................... 4–43

4–6 Command Line recall and editing . ............... 4–53

5–1 DECserver 90L+ Troubleshooting . ............... 5–1

A–1 MMJPinOut................................ A–4

A–2 LAT Server Characteristics ..................... A–5

A–3 LAT Port Characteristics ....................... A–6

A–4 Standalone Installation Kit Contents .............. A–6

A–5 DEChub 90 Ethernet Backplane Installation Kit

Contents.................................... A–7

A–6 Related Parts . ............................... A–7

About This Manual

This guide gives an overview of the DECserver 90L+ and describes how to install,

operate, manage, and troubleshoot the DECserver 90L+. This guide also gives

the speciﬁcations and related documentation for the DECserver 90L+.

Organization

This guide has ﬁve chapters and two appendices.

Chapter Meaning

1 Provides an overview of the DECserver 90L+ including its

features and a quick start procedure.

2 Describes how to install the DECserver 90L+.

3 Describes how to operate the DECserver 90L+.

4 Describes how to manage the DECserver 90L+ locally or from

a remote device on the network.

5 Describes how to troubleshoot the DECserver 90L+.

Appendix A Describes the physical dimensions; environmental, electrical,

and LAT speciﬁcations.

Appendix B Provides a list of related documentation and how to order

information.

vii

Conventions

Convention Meaning

italic Indicates a new term or, in command syntax examples, italic words

represent elements of a command for which you supply a value. For

example:

-> service

Return Key names appear in a box.

NOTE Provides general information.

bold text Bold text represents user input. For example:

-> SET Return

<> In a command line, characters in angle brackets <> represent elements

of a command for which you supply a value. For example:

-> <old_password>, <new_password>

[] The characters in brackets [] are optional. For example:

D[ISCONNECT]

viii

Overview

This chapter describes the features of the DECserver 90L+ and provides a

summary of the installation procedure.

Features

The DECserver 90L+ contains the following features:

• Easy user interface

• Plug-and-go installation

• Small in size

• Rack mountable in DEChub 90

Ethernet backplane

• Network management through

MOP and TSM (future release of

TSM)

• Dedicated service

• Preferred service

• Programmable prompt

• LAT compatible, V5.0 or higher

• Eight ports

– 1.2 K bits to 38.4 K bits per second

– 8-bit characters

– One stop bit

– No parity

• Four LAT sessions per port

• One outbound maintenance operations

protocol (MOP) session per port

• Command line recall and editing

• On-Demand Loading Font Protocol

• Enable/disable ports

• Printer support, including queuing

• "Send Break" out port

The DECserver 90L+ terminal server is an eight line terminal server that

supports terminals and printers. Each line or port can establish up to a

maximum of four LAT sessions and one MOP session at a time. DECserver 90L+

supports Digital’s Local Area Transport (LAT) protocol and is designed to work in

a ThinWire Ethernet Local Area Network (LAN), as shown in Figure 1–1.

Overview 1–1

Overview

Figure 1–1 Sample DECserver 90L+ Connection

Terminal Personal Computer Printer

DECserver 90L+

Terminal Server

ThinWire Ethernet

Computer 1 Computer 2 Computer 3 Computer N

Terminal

Terminal Terminal Terminal Terminal

LJ-01099-TI0

Quick Start

To install and begin using your DECserver 90L+ is simple. It does not require

any programming or other assistance from system management. After unpacking

the unit:

1. Plug the power supply in a working AC outlet and plug the power connector

from the power supply into your DECserver 90L+.

The green power LED turns on to indicate DC power is getting to the unit.

The green self-test LED turns on to indicate that the unit successfully

completed its internal self-test. The self-test takes approximately ﬁve seconds

to complete.

2. Connect the unit to a properly terminated ThinWire Ethernet.

The green network LED turns on to indicate a good connection.

1–2 Overview

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