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Allied Telesis Manuals
Switch
AT-GS920/16
Installation and user manual
Allied Telesis AT-GS920/16 Installation And User Manual
Gigabit ethernet unmanaged switches
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Preface
Safety Symbols Used in this Document
Contacting Allied Telesis
Chapter 1: Product Description
Key Features
GS920 Series Overview
AT-GS920/24 Switch
AT-GS920/16 Switch
AT-GS920/8 Switch
AT-GS920/8PS Switch
Wall and Rack Mount Brackets
10/100/1000 Base-TX Twisted Pair Ports
Power Connector
Configuration Switches and LED Descriptions
Power LED
Loop Prevention LED
Poe LED (AT-GS920/8PS Only)
VLAN Type Leds (AT-GS920/8PS Only)
Port Mode Leds
Port Status Leds
Port POE Leds
AT-GS920 Feature Descriptions
Duplex Mode
Store and Forward
Multicast Frame Pass-Through
Energy Efficiency Ethernet (EEE)
Loop Prevention
Flooding
Backpressure and Flow Control
Chapter 2: Hardware Installation
Reviewing Safety Precautions
Selecting a Site for the Switch
Planning the Installation
Unpacking the Switch
AT-GS920/24 Shipping Contents
Unpacking the AT-GS920/24 Bracket Kit
AT-GS920/16 Shipping Contents
AT-GS920/8 Shipping Contents
AT-GS920/8PS Shipping Contents
Installing the Switch on a Table or Desktop
Installing the Switch on a Wall
Guidelines for Installing the Switch on a Wall
Items Need for Wall Installation
Wall Installation of AT-GS920/24
Wall Installation of AT-GS920/16 or AT-GS920/8
Installing the Switch in an Equipment Rack
Guidelines for Installing the Switch in a Rack
What to Prepare for Installation in a Rack
Rack Installation of AT-GS920/24
Rack Installation of AT-GS920/16 or AT-GS920/8
Cabling the Switch
Powering on the Switch
Chapter 3: Installing the AT-GS920/8PS Switch
Installing the AT-GS920/8PS Switch on a Table
Installing Theat-GS920/8PS Switch in an Equipment Rack
Installing Two Switches in One Row
Installing a Switch in One Row
Installing the AT-GS920/8PS Switch on a Wall
Guidelines
What to Prepare for Wall Installation
Installing the Switch on a Wall
Chapter 4: Switch Configuration
Configuration Switch and LED Locations
Feature Configuration
Multicast Frame Pass-Through
Energy Efficiency Ethernet (EEE)
Loop Prevention
Flooding
Flow Control
Ethernet Port Configuration
Force MDI/ MDI-X and Auto MDI/MDI-X
Configuring All Ports with the same Speed and Duplex Settings
Configuring an Individual Port with Speed and Duplex
Configuring All Ports with Auto or Force MDI/MDI-X
Configuring an Individual Port with Auto or Force MDI/MDI-X
Reseting Ports to Default Settings
Chapter 5: Troubleshooting
Appendix A: Technical Specifications
Physical Specifications
Environmental Specifications
Safety
Electromagnetic Emissions Certifications
EMI (Electro Magnetic Interference)
ICES-003 Class a or B
EN55032: 2012/AC: 2013 Class a or B
Cispr 32
Rcm As/Nzs Cispr 32: 2013
Anatel
Immunity
Electrical Safety
EMS (Electromagnetic Susceptibility) EN55024:2010
Power Specifications
RJ-45 Twisted Pair Port Connectors
Appendix B: AT-GS920/24 Switch Wall Mount Installation
Unpacking the AT-BRKT-J22 Wall Mount Kit
Installing a Switch Using the AT-BRKT-J22 Wall Mount Kit
What to Prepare
Installing a Switch Using the AT-BRKT-J22 Brackets
Appendix C: Loop Prevention Feature
Guidelines for Loop Prevention
Root Switch
Root Switch Overview
Switch Priority
Non-Root Switch
Examples of Selecting a Root Switch
Detecting and Blocking a Loop
Loop Detection
Blocked Port Selection Criteria
Port Blocked Within a LAN
Port Blocked on One Switch
Blocking a Port Affected by an External Loop
Hop Count Limitation
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GS920 Series
GIGABIT ETHERNET UNMANAGED SWITCHES
AT-GS920/24
AT-GS920/16
AT-GS920/8
AT-GS920/8PS
Installation and User's Guide
613-002385 Rev B
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This manual is also suitable for:
At-gs920/24
At-gs920/8
Gs920 series
At-gs920/8ps
Atgs920 series
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