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Chapter 1
Overview
The AT-9400 Switches are managed Gigabit Ethernet switches for
Ethernet, Fast Ethernet, and Gigabit Ethernet networks. The AT-9400
Switches are divided into two groups:
Layer 2+ Switches
– AT-9408LC/SP
– AT-9424T/GB
– AT-9424T/SP
Basic Layer 3 Switches
– AT-9424T
– AT-9424T/POE
– AT-9424Ts
– AT-9424Ts/XP
– AT-9448T/SP
– AT-9448Ts/XP
The differences between the two groups are explained in the AT-S63
Management Software Features Guide.
This chapter has the following sections:
“Descriptions” on page 17
“10/100/1000Base-T Twisted Pair Ports” on page 26
“Fiber Optic Ports” on page 28
“GBIC Transceiver Slots” on page 29
“SFP Transceiver Slots” on page 30
“XFP Transceiver Slots” on page 31
“Redundant Twisted Pair Ports” on page 32
“Compact Flash Card Slot” on page 34
“Port LEDs” on page 35
“System LEDs” on page 37
“Stack LEDs” on page 38
“Expansion Slot” on page 39
“Terminal Port” on page 40