Accton Technology EtherHub-16mi + User Manual

EtherHub-16mi

+

Advanced Reference Guide

EH1502S
E0398-R01
150858-101

EtherHub-16mi

+

Intelligent Stackable Multi-segment Ethernet Hub
with 16 10BASE-T (RJ-45) ports, 1 10BASE2 (BNC) port,
and SNMP agent

Copyright © 1998 by Accton Technology Corporation. All rights reserved.

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EH1502S
E0398-R01
150858-101

Advanced Reference GuideEtherHub 1500 System

Contents

Introduction 1

Making the Connections Required for System Configuration 1

Onsite Connection 1
Modem Connection 1
In-Band Network Connection 1

Starting the Configuration Program 2

Using Configuration Program 3

System Menu 4

Displaying System Information 4
Changing System Configuration 5
Assigning Trap Managers 5
Downloading System Software 6
Restarting the Agent 6
Reverting Configuration to Factory Settings 6
Save Configuration 6
Reset Configuration 6

Control Menu 7

Configuring Hub Parameters 7
Configuring Port Parameters 8
Defining Backup Ports 8

Setting External Configure Buttons 9
Performance Menu 9
Threshold Menu 10

Threshold Parameters 10

Event Activation 11

Troubleshooting 11

Network Management Access 11

Pin Assignments for Serial Port Connections 11

DB9 Serial Port Pin Description 11
DB9 Port Pin Assignments 11
DB9 Serial Port to RJ-45 Converter Connector Pin Assignment 12
DB9 PC's COM Port to RJ-45 Converter Connector Pin Assignment 12
DB25 RS232 to RJ-45 Converter Connector Pin Assignment 12
Connection from Hub's 9-Pin Serial Port to PC's 9-Pin COM Port 12
Connection from Hub's 9-Pin Serial Port to Modem's 25-Pin DCE Port 13
Connection from Hub's 9-Pin Serial Port to PC's 25-Pin DTE Port 13

Optional Management Software 13

Introduction

The master hub (and connected stack) can be managed through a PC or
modem connection to the hubs serial port, or with SNMP-based network
management software such as AccView/Open. Using the configuration
program, you can perform the following tasks:

 Enable/disable any port
 Assign backup ports
 Set threshold values
 Configure SNMP parameters
 Display system information or statistics
 Download system firmware
 Restart the system

Making the Connections Required for System Configuration

The diskette included with the EtherHub-16mi+ contains a menu-driven
configuration program. To use this program, make a direct PC or modem
connection to the serial port on the master hub in the stack.

This section describes how to access the menu-driven configuration program via:

 Onsite connection

A workstation connected to the serial port on the hub.

 Modem connection

A workstation connected to the serial port of a remote hub via modems.

 In-band connection

It also describes how to access the embedded SNMP agent over the network
using AccView/Open or other third-party network management software.

Onsite Connection

Attach a PC to the serial port on the master hub. Use the null-modem cable
(and DB9 / RJ-45 converters) provided with this package, or use a null modem
connection that complies with the wiring assignments shown in the back of
this guide.

Modem Connection

Configure the Hub Site: Connect the master hub's DB9 serial port to the
modem's serial port using standard cabling. For most modems, which use a
25-pin port, you will have to provide an RS232 cable with a 9-pin connector on
one end and a 25-pin connection on the other end. You do not have to set the
modem at the hub's site, because the hub will automatically configure it to
auto-answer mode.

Configure the Remote Site: At the remote site, connect the PC's COM port
(COM 1~4) to the modem's serial port.

In-Band Network Connection

The EtherHub 1500 sytem can also be managed from a computer using
network management software such as AccView/Open. However, prior to
accessing the hub, you must first configure it with a valid IP address, subnet
mask, and default gateway using an out-of-band connection.

1