HP J3137A Manuale di installazione e funzionamento

Installation and

Reference Guide

HP J3137A

HP AdvanceStack 100VG Hub-7E

Installation and Reference Guide

©Copyright Hewlett-Packard Company 1996.

Reproduction, adaptation, or translation without

prior written permission is prohibited, except as

allowed under the copyright laws.

The information contained in this document is

subject to change without notice.

HEWLETT-PACKARD COMPANY MAKES NO

WARRANTY OF ANY KIND WITH REGARD TO

THIS MATERIAL, INCLUDING, BUT NOT

LIMITED TO, THE IMPLIED WARRANTIES OF

MERCHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE. Hewlett-Packard shall

not be liable for errors contained herein or for

incidental or consequential damages in

connection with the furnishing, performance, or

use of this material.

Hewlett-Packard assumes no responsibility for

the use or reliability of its software on

equipment that is not furnished by

Hewlett-Packard.

Warranty

See the warranty statement and the registration

form included with the product.

A copy of the specific warranty terms applicable

to your Hewlett-Packard product and

replacement parts can be obtained from your

HP Sales and Service Office or authorized dealer.

Publication Number

J3137-90001

Edition 1

February 1996

Applicable Product

HP J3137A

Trademark Credits

MS-DOS®and Microsoft®are U.S. registered

trademarks of Microsoft Corporation.

Ethernet is a registered trademark of Xerox

Corporation.

Hewlett-Packard Companh

8000 Foothills Boulevard - Mailstop 5551

Roseville, California 95747-5551

http://www.hp.com/go/network_city

Contents

HP AdvanceStack 100VG Hub-7E . . . . . . . . . . . . . . . . . . . . 1

At A Glance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Installation Summary . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1. Verify Included Parts . . . . . . . . . . . . . . . . . . . . . . . 2

2. Verify that the Hub Works . . . . . . . . . . . . . . . . . . . . . 3

3. Mount the Hub . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

4. Complete Network Connections to the Hub . . . . . . . . . . . 6

Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Customer Support Services . . . . . . . . . . . . . . . . . . . . . . . 13

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Safety and Regulatory Statements . . . . . . . . . . . . . . . . . . . 15

Recommended Cables . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Console connector and cable pin-outs . . . . . . . . . . . . . . . . . 20

Twisted-Pair Cable/Connector Pin-Outs . . . . . . . . . . . . . . . . 21

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

iii

HP AdvanceStack 100VG Hub-7E

At A Glance

The HP J3137A AdvanceStack 100VG Hub-7E is a high-speed multiport

repeater. With this hub, you can connect computers and other devices to-

gether in an unshielded twisted-pair cable network. This hub can be used to

upgrade your 10 Mbit/s Ethernet/IEEE 802.3 network that uses unshielded

twisted-pair cables to a 100 Mbit/s network.

Throughout this manual, this hub will be called the Hub-7E. The following

illustration shows the Hub-7E.

Features

Network Connections Six RJ-45 (twisted-pair) ports to connect to end nodes or other devices.

An Uplink port to cascade to another 100VG hub such as the following hubs:

HP J2413A AdvanceStack 100VG Hub-7M

HP J2410A AdvanceStack 100VG Hub-15

HP J2415A AdvanceStack 100VG Hub-14

Ethernet and Token Ring Support Support for both Ethernet and Token Ring framing. If you have 100VG LAN

adapters with 100VG Token Ring drivers, you can select the Token Ring position.

Remote Management An RS-232 port to connect an ASCII console for monitoring and troubleshooting

the hub and network.

Modular, Easy-to-Use Design LEDs showing power, activity, cascade, fault, and port status provide quick,

easy-to-read hub status information and troubleshooting assistance.

A small footprint that allows you to install the hub in a variety of ways, including

on a desk, under a desk, or on a wall.

Standards-Based Compatibility Compatible with the IEEE 802.12 standard.

Frame switch

Hub status LEDs Twisted-pair

ports

twisted-pair port LEDs

Uplink port for

hub to hub

connections

At A Glance

Installation Summary

The basic hardware installation procedure for the Hub-7E is as follows:

1. Verify included parts

2. Verify that the hub works

3. Mount the hub

4. Complete network connections to the hub

1. Verify Included Parts

Each Hub-7E has the following components shipped with it:

HP AdvanceStack 100VG Hub-7E Installation and Reference

Guide—this manual (J3133-90001)

An AC power cord, one of the following:

Australia/New Zealand (8120-1369)

Denmark (8120-2956)

Europe (8120-1689)

Japan (8120-4753)

Switzerland (8120-4753)

United Kingdom/Hong Kong (8120-1351)

U.S./Canada (8120-1378)

power supply (0950-3058)

serial cable (5182-4794)

HP 100VG AnyLAN Technology Guide

mounting hardware:

•two number 10 by half-inch pan head wood screws

•four 4-40 machine screws

•mounting bracket

Installation Summary

2. Verify that the Hub Works

Your hub uses power from an external DC power supply. To provide power

to the hub, follow these steps:

1. Plug the DC power supply into the hub’s Power connector.

Note If your installation requires a different power cord than the one supplied

with the hub, contact your HP-authorized LAN dealer or your local

HP sales office.

2. Plug the power cord into the power supply.

3. Plug the power cord into an AC power source. When installing the

Hub-7E, note that the AC outlet must be located near the equipment

and should be easily accessible.

Note The hub does not have a power switch; it is powered on when the power

cord is plugged in.

Power receptacle

on the back of the

hub.

DC Power cable from external

power supply

2. Verify that the Hub Works

4. Check the LEDs on the hub’s front panel.

When the hub is powered on, it performs a self-diagnostic test.

During the test, watch the LEDs on the front of the hub for the

following to occur:

At Power On All LEDs turn on.

During Self-Test Self-test requires about 3 seconds. While the hub is tested,

half of the LEDs are momentarily turned on and off. Then the

remaining LEDs are momentarily turned on and off.

After Self-Test All LEDs are off except:

Power

LED is on,

Twisted-Pair ports reflect their normal operating state.

If the Fault LED stays on, the hub has failed its self-test. See page 7

for information about diagnosing your hub.

5. After the hub has passed its self-test, you are ready to mount the hub.

Before mounting the hub, unplug it.

3. Mount the Hub

The Hub-7E can be placed on a desk or mounted on any vertical or horizon-

tal surface, for example a wall or under a desk.

Equipment Required

To mount the hub on a wall or under a desk, you will need the mounting

hardware listed on page 2, and a Phillips screwdriver.

Mounting

Precautions Before mounting the hub, follow these mounting precautions:

Plan the hub’s location and orientation relative to other devices and

equipment. Also consider the cabling that will be attached to the hub

and ports that will be used. In the front of the hub, leave 3 inches

(7 cm) of space for twisted-pair cables. In the back of the hub, leave

3 inches (7 cm) of space for the AC power cord.

Ensure that the HP AdvanceStack hub(s) do not overload the power

circuits, wiring, and over-current protection. To determine the

possibility of overloading the supply circuits, add together the

amperage ratings from the nameplates of all your hubs (and other

equipment) installed on the same circuits and compare the total with

the rating limits for the supply circuits.

3. Mount the Hub

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