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DES-3326 Layer 3 Fast Ethernet Switch User’s Guide
♦ A 10BASE-T hub or switch can be connected to the Switch via a two-pair Category 3, 4 or 5
UTP/STP straight cable.
♦ A 100BASE-TX hub or switch can be connected to the Switch via a two-pair Category 5e UTP/STP
straight cable.
If the other switch or hub contains an unused Uplink port, we suggest connecting the other device’s
Uplink (MDI-II) port to any of the switch’s (MDI-X) ports (1x - 22x, or one of the optional Gigabit module
ports) using a normal straight-through cable, as shown below.
If the other device does not have an unused Uplink port, make the connection with a normal straight-
through cable from the Uplink port on the switch to any normal crossed port on the hub. Alternatively,
if you have a crossover cable you can save the Uplink ports for other connections and make this one
from a crossed port to another crossed port.
Figure 4-2. Switch connected to a normal (non-Uplink) port on a hub or switch using a straight or crossover
cable
10BASE-T Device
For a 10BASE-T device, the Switch’s LED indicators should display the following:
♦ 100 LED speed indicator is OFF.
♦ Link/Act indicator is ON.
100BASE-TX Device
For a 100BASE-TX device, the Switch’s LED indicators should display the following:
♦ 100 LED speed indicator is ON.
♦ Link/Act is ON.
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