3
Figures
.................................................................................................................................................................................. 5
Tables
................................................................................................................................................................................... 6
Preface
..................................................................................................................................................................................7
Safety Symbols Used in this Document..................................................................................................................................8
Where to Find Web-based Guides .........................................................................................................................................9
Contacting Allied Telesyn .....................................................................................................................................................10
Online Support ..............................................................................................................................................................10
Email and Telephone Support.......................................................................................................................................10
Returning Products........................................................................................................................................................10
Sales or Corporate Information .....................................................................................................................................10
Management Software Updates ....................................................................................................................................10
Chapter 1: Overview
..........................................................................................................................................................11
Features ...............................................................................................................................................................................12
Front and Back Panels .........................................................................................................................................................13
Ports .....................................................................................................................................................................................14
Twisted Pair Ports .........................................................................................................................................................14
Uplink Combo Ports ......................................................................................................................................................14
RS-232 Console Port ....................................................................................................................................................15
LEDs.....................................................................................................................................................................................16
Power Supply .......................................................................................................................................................................18
Ethernet Switching Basics ....................................................................................................................................................19
MAC Address Table ......................................................................................................................................................19
Duplex Mode .................................................................................................................................................................20
Store and Forward.........................................................................................................................................................20
Back Pressure and Flow Control...................................................................................................................................21
Network Topologies..............................................................................................................................................................22
Power Workgroup Topology ..........................................................................................................................................22
Collapsed Backbone .....................................................................................................................................................23
Chapter 2: Installation
.......................................................................................................................................................24
Reviewing Safety Precautions..............................................................................................................................................25
Selecting a Site for the Switch..............................................................................................................................................27
Cabling .................................................................................................................................................................................28
Unpacking the Switch ...........................................................................................................................................................29
Installing the Switch on a Desktop........................................................................................................................................30
Installing a Switch in a Rack.................................................................................................................................................31
Installing an Optional SFP Transceiver ................................................................................................................................34
Cabling and Powering On the Switch ...................................................................................................................................36
Connecting the Twisted Pair Cables .............................................................................................................................36
Connecting the Fiber Optic Cables ...............................................................................................................................36
Powering On the Switch ................................................................................................................................................37
Starting a Local Management Session .................................................................................................................................39
Starting a Local Management Session..........................................................................................................................39
Chapter 3: Troubleshooting
..............................................................................................................................................41
Contents