HP 100BaseT Guide de l'utilisateur télécharger pdf (Page 37)

HP 100Base-T Hubs Installation and Reference Guide

Installing the System 2-5

100W Category 5 shielded or unshielded twisted-pair cables

with RJ-45 plugs at both ends.

2. Connect one end of the cable to the RJ-45 port of the network

device, and the other end to any available (MDI-X) port on the

hub. Just remember that if you use Port

12MDI-X or Port

24MDI-X

, the cascade port (12MDI/24MDI) cannot be used.

When inserting an RJ-45 plug, be sure the tab on the plug

clicks into position to ensure that it is properly seated. Using

the hub in either a stack or a standalone configuration, you can

network up to 12 or 24 nodes. Note that a stack can have up to

120 nodes.

Do not plug a phone jack connector into the RJ-45 port. This may

damage the hub. Instead, use only twisted-pair cables with RJ-45

connectors that conform with FCC standards.

Notes:

1. Make sure each twisted-pair cable does not exceed 100 meters.

2. We advise using Category 5 cable for all network connections to

avoid any confusion or inconvenience in the future when you

upgrade attached devices to Fast Ethernet.

3. You may also connect a device to the Switch Port located on the

hub’s front panel if required. However, be sure you use a Switch

Port Module that meets your communication requirements. Refer to

Data Switching with the Switch Port Modules

in Chapter 1 for more

details.

4. To facilitate troubleshooting, label all network cables to indicate the

attached device and location.

Connecting the Stacking Cable

Plug one end of the Stacking Cable (provided with the base

package) in the

Out port of the top hub and the other end to the

In port of the next hub. Repeat this step for each hub in the

stack. Form a simple chain starting at the

Out port on the first

hub and ending at the

In port on the last hub. Refer to the

6WDFNLQJ3RUWV section in Chapter 5 for related information.

Hubs in a stack can only be managed by the network management

agent through the Stacking Cable. In a managed stack, you should there-

fore use the Stacking Ports to make Out to In connections, with a

management agent (i.e., a Hub-12TXM) included in the chain.

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HP 100BaseT Guide de l'utilisateur Page 37

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