Allied Telesis AT-GS900/24 - Manual (Page 5)

5
Contents
Preface ..................................................................................................................................................................................7
Safety Symbols Used in this Document..................................................................................................................................8
Where to Find Web-based Guides .........................................................................................................................................9
Contacting Allied Telesis ......................................................................................................................................................10
Online Support ..............................................................................................................................................................10
Email and Telephone Support.......................................................................................................................................10
Returning Products........................................................................................................................................................10
For Sales or Corporate Information...............................................................................................................................10
Warranty ........................................................................................................................................................................10
Management Software Updates ...........................................................................................................................................11
Chapter 1: Product Description ........................................................................................................................................12
Features ...............................................................................................................................................................................13
Standards .............................................................................................................................................................................13
Components .........................................................................................................................................................................14
Hardware Feature Description..............................................................................................................................................15
Twisted Pair Ports .........................................................................................................................................................15
LEDs..............................................................................................................................................................................16
AC Power Connector.....................................................................................................................................................17
Ethernet Switching Basics ....................................................................................................................................................18
MAC Address Table ......................................................................................................................................................18
Duplex Mode .................................................................................................................................................................19
Store and Forward.........................................................................................................................................................19
Backpressure and Flow Control ....................................................................................................................................19
Network Topologies..............................................................................................................................................................20
Power Workgroup Topology ..........................................................................................................................................20
Collapsed Backbone .....................................................................................................................................................21
Chapter 2: Installation .......................................................................................................................................................22
Reviewing Safety Precautions..............................................................................................................................................23
Selecting a Site for the Switch..............................................................................................................................................24
Planning the Installation .......................................................................................................................................................25
Unpacking the Switch ...........................................................................................................................................................26
Installing the Switch on a Table or Desktop..........................................................................................................................27
Installing the Switch on a Wall..............................................................................................................................................29
Installing the Switch in a Rack..............................................................................................................................................32
Cabling the Switch................................................................................................................................................................35
Powering On the Switch .......................................................................................................................................................36
Chapter 3: Troubleshooting ..............................................................................................................................................37
Appendix A: Technical Specifications .............................................................................................................................38
Physical Specifications .........................................................................................................................................................38
Environmental Specifications................................................................................................................................................38
Power Specifications ............................................................................................................................................................38
Safety and Electromagnetic Emissions Certifications...........................................................................................................39
Compliance Standards .........................................................................................................................................................39
RJ-45 Twisted Pair Port Connectors ....................................................................................................................................39