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DES-3550 Fast Ethernet Layer 2 Switch
Figure 3- 1. Switch connected to an end node
The Link/Act LEDs for each UTP port will light green or amber when the link is valid. A blinking LED indicates packet
activity on that port.
Switch to Hub or Switch
These connections can be accomplished in a number of ways using a normal cable.
A 10BASE-T hub or switch can be connected to the Switch via a twisted-pair Category 3, 4 or 5 UTP/STP
cable.
•
• A 100BASE-TX hub or switch can be connected to the Switch via a twisted -pair Category 5 UTP/STP cable.
Figure 3- 2. Switch connected to a port on a hub or switch using either a straight or crossover cable-
any normal cable is fine
Connecting To Network Backbone or Server
The two Mini-GBIC combo ports are ideal for uplinking to a network backbone or server. The copper ports operate at a
speed of 1000, 100 or 10Mbps in full or half duplex mode. The fiber optic ports can operate at 1000Mbps in full duplex
mode.
Connections to the Gigabit Ethernet ports are made using fiber optic cable or Category 5 copper cable, depending on the
type of port. A valid connection is indicated when the Link LED is lit.
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