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Chapter 1

Overview
The AT-9000/28 Gigabit Ethernet ecoSwitch is designed to simplify the
task of creating or expanding an Ethernet, Fast Ethernet, or Gigabit
Ethernet network.
This chapter contains the follows sections:
“Switch Features” on page 12
“Front and Back Panels” on page 13
“Gigabit Ethernet Ports” on page 14
“LEDs” on page 16
“Ethernet Switching Basics” on page 21