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Contents
Preface ................................................................................................................................................................................11
Safety Symbols Used in this Document................................................................................................................................12
Where to Find Web-based Guides .......................................................................................................................................13
Contacting Allied Telesis ......................................................................................................................................................14
Online Support ..............................................................................................................................................................14
Email and Telephone Support.......................................................................................................................................14
Returning Products........................................................................................................................................................14
For Sales or Corporate Information...............................................................................................................................14
Warranty........................................................................................................................................................................14
Chapter 1: Overview ..........................................................................................................................................................15
Features ...............................................................................................................................................................................16
Front and Back Panels .........................................................................................................................................................17
Ports .....................................................................................................................................................................................18
Twisted Pair Ports .........................................................................................................................................................18
Uplink Combo Ports ......................................................................................................................................................18
LEDs.....................................................................................................................................................................................20
System LEDs.................................................................................................................................................................20
10/100Base-T POE Port LEDs......................................................................................................................................20
10/100Base-T Non-POE Port LEDs..............................................................................................................................21
Uplink Combo Port LEDs ..............................................................................................................................................22
Power Supply .......................................................................................................................................................................24
Power over Ethernet.............................................................................................................................................................25
Power Budgeting...........................................................................................................................................................25
Implementation..............................................................................................................................................................26
Ethernet Switching Basics....................................................................................................................................................27
MAC Address Table ......................................................................................................................................................27
Duplex Mode .................................................................................................................................................................27
Store and Forward.........................................................................................................................................................28
Back Pressure and Flow Control...................................................................................................................................28
Network Topologies..............................................................................................................................................................30
Power Workgroup Topology..........................................................................................................................................30
Collapsed Backbone .............................................................................................................
........................................31
Chapter 2: Installation .......................................................................................................................................................33
Reviewing Safety Precautions..............................................................................................................................................34
Selecting a Site for the Switch..............................................................................................................................................36
Cabling .................................................................................................................................................................................37
Unpacking the Switch...........................................................................................................................................................38
Installing the Switch on a Desktop........................................................................................................................................39
Installing a Switch in a Rack.................................................................................................................................................40
Installing an Optional SFP Transceiver ................................................................................................................................43
Cabling and Powering On the Switch...................................................................................................................................45
Connecting the Twisted Pair Cables .............................................................................................................................45
Connecting the Fiber Optic Cables ...............................................................................................................................45
Powering On the Switch................................................................................................................................................46
Starting a Management Session ..........................................................................................................................................48
Chapter 3: Troubleshooting ..............................................................................................................................................49
Appendix A: Technical Specifications .............................................................................................................................51