Contents
Preface ................................................................................................................................................................................11
Where to Find Web-based Guides .......................................................................................................................................13
Contacting Allied Telesis ......................................................................................................................................................14
Online Support ..............................................................................................................................................................14
Email and Telephone Support .......................................................................................................................................14
Returning Products........................................................................................................................................................14
Warranty ........................................................................................................................................................................14
Management Software Updates ....................................................................................................................................14
Chapter 1: Overview ..........................................................................................................................................................15
Features ...............................................................................................................................................................................16
Front and Back Panels .........................................................................................................................................................17
Ports .....................................................................................................................................................................................18
Twisted Pair Ports .........................................................................................................................................................18
10/100/1000 RJ-45 Uplink Port .....................................................................................................................................19
SFP Port ........................................................................................................................................................................19
RS-232 Console Port ....................................................................................................................................................19
LEDs .....................................................................................................................................................................................20
Power Supply .......................................................................................................................................................................22
Power over Ethernet .............................................................................................................................................................23
Power Budgeting ...........................................................................................................................................................24
Implementation ..............................................................................................................................................................24
Ethernet Switching Basics ....................................................................................................................................................26
MAC Address Table ......................................................................................................................................................26
Duplex Mode .................................................................................................................................................................27
Store and Forward.........................................................................................................................................................27
Back Pressure and Flow Control ...................................................................................................................................28
Network Topologies ..............................................................................................................................................................29
Power Workgroup Topology ..........................................................................................................................................29
Collapsed Backbone .....................................................................................................................................................30
Chapter 2: Installation .......................................................................................................................................................31
Reviewing Safety Precautions ..............................................................................................................................................32
Selecting a Site for the Switch ..............................................................................................................................................34
Cabling .................................................................................................................................................................................35
Unpacking the Switch ...........................................................................................................................................................36
Installing the Switch on a Desktop........................................................................................................................................37
Installing the Switch in a Rack ..............................................................................................................................................38
Powering On the Switch ................................................................................................................................................44
Starting a Management Session ..........................................................................................................................................46
Warranty Registration ...........................................................................................................................................................50
Chapter 3: Troubleshooting ..............................................................................................................................................51
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