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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 hubs 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.