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AT-FS750/24POE manual Troubleshooting
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AT-FS750/24POE
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Troubleshooting
Specifications
Install
Warranty
Circuit Overloading Consideration should be given to the connection of the equipment to the supply circuit and the effect that overloading of circuits might have on overcurrent protection and supply wiring. Appropriate consideration of equipment nameplate ratings should be used when addressing this concern. E21
MDI Pin Signals 10Base-T or 100Base-TX
ˆ “Safety Symbols Used in this Document” on page
How to
Reviewing Safety Precautions
Safety
Page 50
Image 50
Chapter 3: Troubleshooting
50
Page 49
Page 51
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Page 51
Contents
AT-FS750/24POE
Installation Guide
Fast Ethernet Smart Switch
Copyright 2008 Allied Telesis, Inc
U.S. Federal Communications Commission
Electrical Safety and Emissions Standards
FCC Class A, EN55022 Class A, CISPR Class A, C-TICK, CE
Radiated Energy
Translated Safety Statements
Contents
Environmental Specifications
Contents
Physical Specifications
Power Specifications
Figures
Figure 1. RJ-45 Connector and Port Pin Layout
Tables
IEEE 802.3af Class vs. Power Levels
Tables
Table 1. Safety Symbols
MDI Pin Signals 10Base-T or 100Base-TX
Tables
ˆ “Where to Find Web-based Guides” on page
Preface
ˆ “Safety Symbols Used in this Document” on page
ˆ “Contacting Allied Telesis” on page
Meaning
Safety Symbols Used in this Document
Symbol
Description
Where to Find Web-based Guides
AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide
Online Support Email and Telephone Support Returning Products
Warranty
Contacting Allied Telesis
For Sales or Corporate Information
Overview
Chapter
Features
Uplink Combo Ports
Front and Back Panels
System LEDs 10/100Base Twisted Pair Ports
Port LEDs
Twisted Pair Ports
Ports
Uplink Combo Ports
AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide
connected, the SFP port takes precedent over the twisted pair port
State
LEDs
10/100Base-T POE Port LEDs
Description
Description
10/100Base-T Non-POE Port LEDs
State
Description
Uplink Combo Port LEDs
State
State
Description
Power Supply
For the power requirements, refer to “Power Specifications” on page
Power over Ethernet
Class
Minimum Power
Maximum Power
Usage
Ethernet Switching Basics
MAC Address Table Duplex Mode
Store and Forward
Back Pressure and Flow Control
data again, the switch stops forcing collisions. This is referred to as back pressure
Power Workgroup Topology
Network Topologies
Collapsed Backbone
Chapter 1 Overview
Installation
Chapter
Reviewing Safety Precautions
Circuit Overloading Consideration should be given to the connection of the equipment to the supply circuit and the effect that overloading of circuits might have on overcurrent protection and supply wiring. Appropriate consideration of equipment nameplate ratings should be used when addressing this concern. E21
Selecting a Site for the Switch
Speed
Cabling
Maximum
Type of Cable
Unpacking the Switch
Installing the Switch on a Desktop
Installing a Switch in a Rack
AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide
Chapter 2 Installation
Installing an Optional SFP Transceiver
Figure 12. Inserting the SFP
Connecting the Fiber Optic Cables
Cabling and Powering On the Switch
Connecting the Twisted Pair Cables
Powering On the Switch
Figure 16. Plugging in the AC Power Cord
Starting a Management Session
Troubleshooting
Chapter
Chapter 3 Troubleshooting
Environmental Specifications
Technical Specifications
Physical Specifications
Power Specifications
Signal
Safety and Electromagnetic Emissions Certifications
Connectors and Port Pinouts
1 RX+ 2 RX 3 TX+ 6 TX
Table 9. MDI-X Pin Signals 10Base-T or 100Base-TX
Signal
Appendix A Technical Specifications
