IBM 8239 Token-Ring Stackable Hub, Setup And User Manual

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Chapter 4. Configuration
This chapter describes the configuration procedures you need to perform before
you can manage the 8239.
When you install an 8239, it contains factory-default parameters. Depending on
your needs, you might want to change these defaults. For a listing of the default
values, go to “Configuration Parameters” on page 4-9.
Using the Command Interface
Employ the command interface using a terminal emulation program that supports
VT100 emulation or using Telnet over an IP connection.
Login Access
To use the terminal interface, you must enter a login name and password. There
are two access types associated with a login name:
¹
Admin, which allows you to issue all commands
¹
User, which allows you to issue a subset of the commands allowed under
Admin access.
Configuration changes made with User access can be saved only under Admin
access. The SAVE command is not allowed for User access.
The default login name is “admin” with no password. It is recommended that you
change the 8239 login password to a more secure password.
Management Using Emulation Software
You can use terminal emulation software in one of two ways:
¹
Using a direct, null-modem cable connection
¹
Using a public telephone network via a modem and a standard EIA-232 cable
The default terminal baud setting is 9 600 bps. This value can be changed using
the SET TERMINAL BAUD command. Initialization and diagnostic messages are
displayed at 9 600 bps; once the 8239 is operational, the configured terminal baud
setting is used.
Using a Null-Modem Cable
To communicate with the 8239 for the first time, configure the terminal emulation
application with:
¹
9 600 bps
¹
No parity
¹
8 data bits
¹
1 stop bit
¹
No flow control
¹
VT100 emulation
¹
The communications port of the workstation that you have configured in the
emulation software
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Copyright IBM Corp. 1998
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