HP 100BaseT Podręcznik Użytkownika Pobierz pdf (Strona 61)

HP 100Base-T Hubs Installation and Reference Guide

4-2 Configuring the System

Direct Connection

The Hub-12TX and Hub-24TX

do not include a management

agent. Configuration options

for these models are therefore

limited to direct connection

only. Moreover, configuration

via the Console Port on these

models is limited to that hub

only (i.e., the attached stack

cannot be managed with these

models).

Attach a VT-100 compatible terminal, or a PC running a

terminal emulation program, to the DB9 Console Port on the

front of any HP 100Base-T Hub model. Use the included null

modem cable that complies with the wiring assignments

provided in Appendix B.

When attaching to a PC, set terminal emulation type to VT-100,

specify the port used by your PC (i.e., COM 1~4), and then set

communications to 8 data bits, 1 stop bit, no parity, and 9600 bps.

Set flow control to “none.”

The Hub-12TX and Hub-24TX can only be managed via a direct

connection, or via a Hub-12TXM unit located in the same stack.

Network Connection

The on-board configuration menu on the Hub-12TXM can also

be accessed by connecting a PC to any available port on the

stacked system. If proper network interconnections are

available, you can access the management agent from anywhere

in the attached network. However, if the stack has hubs that are

isolated, you must connect to the collision domain containing

the SNMP management agent.

Local Network Telnet Connection

Before accessing a hub

using a Telnet connection, be

sure you have already set the

agent’s IP address via the

VT-100 console interface or

boot protocol.

Prior to accessing the hub via a Telnet connection, you must

first configure it with a valid IP address, subnet mask, and

default gateway using an out-of-band connection or boot

protocol. (Refer to

8VLQJWKH97&RQVROH,QWHUIDFH later in this

chapter.) After configuring the hub’s IP parameters, you can

Telnet into its menu-driven VT-100 console interface from

anywhere within the attached network.

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