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4
1 I
NTRODUCTION
This chapter introduces the D-Link DES-2212 switch, and the technologies
that it uses to give you improved network performance and reliability.
DES-2212 Ethernet/Fast Ethernet
Switch
The DES-2212 is an Ethernet/Fast Ethernet switch for networks needing
improved performance, the ability to interconnect between 10Mbps and
100Mbps Ethernet networks, and SNMP network management capability.
Ports
The DES-2212 has twelve ports, four NWay 10BASE-TX
Ethernet/100BASE-TX Fast Ethernet ports, and eight 10BASE-T twisted-
pair Ethernet ports. Among the Fast Ethernet ports, one of the ports can also
use an industry-standard MII connector, making it possible to interface to
different types of 100BASE-X Fast Ethernet network media, such as
100BASE-FX fiber optic cable or 100BASE-T4 twisted pair.
Another of the 100BASE-TX ports can optionally serve as an uplink port,
making it possible to connect the port to a Fast Ethernet hub without using a
crossover cable.