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Collapsed Backbone
The SMC6128PL2 is an excellent choice for mixed Ethernet, Fast Ethernet,
and Gigabit Ethernet installations where significant growth is expected in the
near future. In a basic stand-alone configuration, it can provide direct
full-duplex connections to workstations or servers. When the time comes for
further expansion, just connect to another hub or switch using one of the
Fast Ethernet ports built into the front panel or a Gigabit Ethernet port on a
plug-in SFP transceiver.
In the figure below, the switch is operating as a collapsed backbone for a
small LAN. It is providing dedicated 100 Mbps full-duplex connections to
workstations and 1000 Mbps full-duplex connections to power users and
servers. In addition, connected IP phones and wireless access points are
receiving PoE power from the switch.
Figure 2-2 Collapsed Backbone
Servers
1 Gbps
Full Duplex
Workstations
100 Mbps
Full Duplex
Workstations
10 Mbps
Full Duplex
...
...
...
Power-over-Ethernet Devices
10/100 Mbps
Full Duplex
Standard LAN
PoE
SMC6128PL2
TigerSwitch 10/100
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Link/Act
System
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