3Com 3C16702 Manuale d'uso - Pagina 5

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Connecting Hubs Using 10BASE-T

You can connect hubs together with 10BASE-T in a

number of ways, but for simplicity we recommend the

following method:

Starting from the bottom, connect port 16 of the lower

hub to port 15 of the hub immediately above. Repeat for

each hub (as shown in the diagram).

Set all MDI/MDIX switches to MDI (in) except for the top

hub (the one with port 16 not connected to another

hub). This unused port can be connected to a

workstation provided that the MDI/MDIX switch is set to

MDIX (out).

When you have connected your hubs, power them on.

The Port Status LEDs for the ports you have used on the

hubs should be green. If they are not, check your

connections and the settings of the MDI/MDIX switches.

At frequent intervals, visually check that:

The Alert LED is off — this is the best way to find out if

there are problems with your network

Case vents are not obstructed

Cabling is secure and not pulled taut

If you suspect a problem, refer to

page 7.

" Problem Solving "

Correct Hub Connections Using 10BASE-T