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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 15
“10/100/1000Base-T Twisted Pair Ports” on page 24
“Fiber Optic Ports” on page 26
“GBIC Transceiver Slots” on page 27
“SFP Transceiver Slots” on page 28
“XFP Transceiver Slots” on page 29
“Redundant Twisted Pair Ports” on page 30
“Compact Flash Card Slot” on page 32
“Port LEDs” on page 33
“System LEDs” on page 35
“Stack LEDs” on page 36
“Expansion Slot” on page 37
“Terminal Port” on page 38