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Chapter 1

Overview
This chapter contains the following sections:
“Switch Models and Features” on page 16
“AT-9000 Series Gigabit Ethernet Switches” on page19
“10/100/1000Base-T Twisted-Pair Ports” on page 25
“Power Over Ethernet” on page 28
“SFP Slots” on page 32
“Combo Ports” on page 34
“Console Port” on page 36
“LEDs” on page 37
“ecoFriendly Button” on page 41
“Power Supplies” on page 42
“Power Connectors” on page 43