Contents

Preface	7
Product Documentation	8
Where to Go First	9
Starting a Management Session	10
Safety Symbols Used in this Document	11
Where to Find Web-based Guides	12
Contacting Allied Telesis	13
Online Support	13
Email and Telephone Support	13
Returning Products	13
For Sales or Corporate Information	13
Warranty	13
Management Software Updates	13
Chapter 1: Overview	15
Descriptions	17
AT-9408LC/SP Switch	17
AT-9424T/GB Switch	18
AT-9424T/SP Switch	19
AT-9424T Switch	20
AT-9424T/POE Switch	21
AT-9424Ts Switch	22
AT-9424Ts/XP Switch	23
AT-9448T/SP Switch	24
AT-9448Ts/XP Switch	25
10/100/1000Base-T Twisted Pair Ports	26
Connector Type	26
Speed	26
Duplex Mode	26
Maximum Distance	27
Cable Type	27
Auto-MDI/MDI-X	27
Port Pinouts	27
Fiber Optic Ports	28
Connector Type	28
Speed	28
Maximum Distance and Cabling	28
GBIC Transceiver Slots	29
SFP Transceiver Slots	30
XFP Transceiver Slots	31
Redundant Twisted Pair Ports	32
Compact Flash Card Slot	34
Port LEDs	35
10/100/1000Base-T Twisted Pair Port LEDs	35
Fiber Optic Port and Transceiver Slot LEDs	36
System LEDs	37
Stack LEDs	38
Expansion Slot	39
Terminal Port	40
Power Over Ethernet	41

Allied Telesis AT-9408LC/SP, AT-9424T/POE manual Contents