Table of Contents
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Contents
Preface ..................................................................................................................................................................................9
Safety Symbols Used in this Document.........................................................................................................................10
Contacting Allied Telesis ...............................................................................................................................................11
Chapter 1: Product Description ........................................................................................................................................13
Key Features .................................................................................................................................................................14
GS920 Series Overview ................................................................................................................................................16
AT-GS920/24 Switch ..............................................................................................................................................16
AT-GS920/16 Switch ..............................................................................................................................................17
AT-GS920/8 Switch ................................................................................................................................................17
AT-GS920/8PS Switch ...........................................................................................................................................18
Wall and Rack Mount Brackets ..............................................................................................................................19
10/100/1000 Base-TX Twisted Pair Ports ..............................................................................................................20
Power Connector....................................................................................................................................................21
Configuration Switches and LED Descriptions ..............................................................................................................22
Power LED .............................................................................................................................................................23
Loop Prevention LED .............................................................................................................................................23
PoE LED (AT-GS920/8PS Only) ............................................................................................................................23
VLAN Type LEDs (AT-GS920/8PS Only)...............................................................................................................24
Port Mode LEDs .....................................................................................................................................................24
Port Status LEDs ....................................................................................................................................................25
Port POE LEDs.......................................................................................................................................................26
AT-GS920 Feature Descriptions....................................................................................................................................27
Duplex Mode ..........................................................................................................................................................27
Store and Forward..................................................................................................................................................27
Multicast Frame Pass-Through ..............................................................................................................................28
Energy Efficiency Ethernet (EEE)...........................................................................................................................28
Loop Prevention .....................................................................................................................................................28
Flooding..................................................................................................................................................................29
Backpressure and Flow Control .............................................................................................................................29
Chapter 2: Hardware Installation ......................................................................................................................................31
Reviewing Safety Precautions .......................................................................................................................................32
Selecting a Site for the Switch .......................................................................................................................................36
Planning the Installation.................................................................................................................................................37
Unpacking the Switch ....................................................................................................................................................38
AT-GS920/24 Shipping Contents ...........................................................................................................................38
Unpacking the AT-GS920/24 Bracket Kit ...............................................................................................................39
AT-GS920/16 Shipping Contents ...........................................................................................................................40
AT-GS920/8 Shipping Contents .............................................................................................................................41
AT-GS920/8PS Shipping Contents ........................................................................................................................42
Installing the Switch on a Table or Desktop...................................................................................................................43
Installing the Switch on a Wall .......................................................................................................................................44
Guidelines for Installing the Switch on a Wall.........................................................................................................44
Items Need for Wall Installation..............................................................................................................................44
Wall Installation of AT-GS920/24 ...........................................................................................................................45
Wall Installation of AT-GS920/16 or AT-GS920/8 ..................................................................................................47
Installing the Switch in an Equipment Rack...................................................................................................................50
Guidelines for Installing the Switch in a Rack.........................................................................................................50
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Table of Contents
