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Installing the HP 10/100 Hubs

Sample Network Topologies

Installing the HP 10/100 Hubs

Connecting HP 10/100 Hubs to Switches

Switch 1600M

to Gigabit-Ethernet

backbone

10/100 Hub 24M

twisted-pair “crossover” cable for

hub-to-switch connection, or

“straight-through” cable if hub

port 1 is used and set to MDI mode

twisted-pair

“straight-through”

cables to end

nodes

PCs,

printers,

and local

servers

Description Most twisted-pair switch ports are wired the same as hub ports: MDI-X, so the type of cable to use

is the same as for a hub-to-hub connection. Note: You do not need to use an external switch or

bridge to provide communication between the 10 Mbps and 100 Mbps end nodes connected to the

hub. The HP 10/100 hubs have an internal bridge that provides that connection. The illustration

shows a 10/100 hub connected to a switch as a way to extend your network, and to provide

connections to high-speed campus backbones.

Cables Used 10 Mbps connections: category 3, 4, or 5 100 ohm unshielded twisted-pair cable.

100 Mbps connections: 100 ohm, Category 5 unshielded twisted pair cable only. For the connection

between the hub and the switch, use crossover cable, unless one the hub ports used in the

connection is set to MDI mode; then use straight-through cable. For connections to the end nodes,

use straight-through cables.

Maximum

Connection

Lengths

Hub-to-switch connection: 100 meters for 10 or 100 Mbps

Hub-to-end node connections: 100 meters for 10 or 100 Mbps

9934.book Page 17 Thursday, January 14, 1999 12:39 PM

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HP 12M Installationshandbuch Seite 31