Allied Telesis AT-FS750/24POE Manuale Utente

613-000556 Rev. DFast EthernetSmart SwitchAT-FS750/24POEInstallation Guide

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11PrefaceThis guide provides the hardware installation instructions for your AT-FS750/24POE Fast Ethernet switch. This preface contains the following

Preface12Safety Symbols Used in this DocumentThis document uses the safety symbols defined in Table 1.Table 1. Safety SymbolsSymbol Meaning Descriptio

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide13Where to Find Web-based GuidesThe installation and user guides for all Allied Telesis pr

Preface14Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales or corporate inform

15Chapter 1OverviewThe AT-FS750/24POE Fast Ethernet Smart switch is a Layer 2 Fast Ethernet switch designed to simplify the task of creating or expand

Chapter 1: Overview16FeaturesThe features of the AT-FS750/24POE Fast Ethernet Smart switch include: LEDs for unit and port status 24 Auto-Negotiatin

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide17Front and Back PanelsFigure 1 illustrates the front and back panels of the AT-FS750/24PO

Chapter 1: Overview18PortsThe AT-FS750/24POE Fast Ethernet Smart switch features 24 twisted pair ports and two uplink combo ports. Twisted PairPortsTh

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide19connected, the SFP port takes precedent over the twisted pair port.

Copyright © 2008 Allied Telesis, Inc. All rights reserved. No part of this publication may be reproduced without prior written permission from Allied

Chapter 1: Overview20LEDs The AT-FS750/24POE Fast Ethernet Smart switch provides the LEDs described in this section.System LEDs The switch has two sys

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide21.Figure 3. POE Port LEDs10/100Base-TNon-POE PortLEDsPorts 13 through 24 each have two L

Chapter 1: Overview22.Figure 4. 10/100Base-T Non-PoE Port LEDsUplink ComboPort LEDsThe LEDs for the uplink combo ports, ports 25 and 26, are shown in

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide23 Table 5. Uplink Combo Port LEDsLED State DescriptionL/A Green A valid link has been e

Chapter 1: Overview24Power SupplyThe switch has an internal power supply with a single AC power supply socket on the back panel which features autoswi

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide25Power over EthernetThe twisted pair ports on the AT-FS750/24POE Fast Ethernet Smart swit

Chapter 1: Overview26A port connected to a network node that is not a powered device (that is, a device that receives its power from another power sou

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide27Ethernet Switching BasicsAn Ethernet switch interconnects network devices, such as works

Chapter 1: Overview28end node can receive or transmit data, but not both simultaneously, the end node is operating in what is referred to as half-dupl

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide29data again, the switch stops forcing collisions. This is referred to as back pressure.A

3Electrical Safety and Emissions StandardsThis product meets the following standards.RFI Emissions FCC Class A, EN55022 Class A, CISPR Class A, C-TICK

Chapter 1: Overview30Network TopologiesThis section illustrates two network topologies that you can create with the AT-FS750/24POE Fast Ethernet Smart

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide31CollapsedBackboneIn the topology illustrated in Figure 7, an AT-9424T/SP Gigabit Etherne

Chapter 1: Overview32

33Chapter 2InstallationThis chapter contains the following sections: “Reviewing Safety Precautions” on page 34 “Selecting a Site for the Switch” on

Chapter 2: Installation34Reviewing Safety PrecautionsPlease review the following safety precautions before you begin to install the switch. NoteThe 

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide35Circuit Overloading: Consideration should be given to the connection of the equipment to

Chapter 2: Installation36Selecting a Site for the SwitchObserve the following requirements when choosing a site for your switch: If you plan to insta

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide37CablingTable 7 contains the cabling specifications for the twisted pair ports.NoteThe tw

Chapter 2: Installation38Unpacking the SwitchTo unpack the switch, perform the following procedure:1. Remove all components from the shipping package.

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide39Installing the Switch on a DesktopYou can place the switch on a desktop or install them

4Translated Safety StatementsImportant: The  indicates that a translation of the safety statement is available in a PDF document titled “Translated S

Chapter 2: Installation40Installing a Switch in a RackTo install the switch in a rack, perform the following procedure: 1. If attached, remove the rub

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide41Warning: To prevent electric shock, do not remove the cover. No user-serviceable parts i

Chapter 2: Installation42If installed in a closed or multi-unit rack assembly, the operating ambient temperature of the rack environment may be greate

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide43Installing an Optional SFP TransceiverThe AT-FS750/24POE Fast Ethernet Smart switch has

Chapter 2: Installation444. Slide the SFP transceiver into an SFP slot on the switch, as shown in Figure 12.Figure 12. Inserting the SFP5. Repeat step

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide45Cabling and Powering On the SwitchConnecting theTwisted PairCablesTo connect the twisted

Chapter 2: Installation461. Remove the dust plug from the SFP, as shown in Figure 14. Figure 14. Removing the Dust Plug from the SFP2. Connect the fib

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide47Figure 16. Plugging in the AC Power Cord2. Plug the other end of the power cord into a w

Chapter 2: Installation48Starting a Management SessionTo start a management session on an AT-FS750/24POE Fast Ethernet Smart switch, perform the follo

49Chapter 3TroubleshootingThis chapter contains information on how to troubleshoot the switch in the event that a problem occurs.NoteIf you need furth

5ContentsPreface ...

Chapter 3: Troubleshooting50

51Appendix ATechnical SpecificationsPhysical SpecificationsDimensions: 444 mm x 322 mm x 43.5 mm(17.48 in x 12.67 in x 1.71 in)Weight: 4.133 kg (9.11

Appendix A: Technical Specifications52Safety and Electromagnetic Emissions CertificationsEMI/RFI: FCC Class A, EN55022 Class A, CISPR Class A, C-TICK,

AT-FS750/24POE Fast Ethernet Smart Switch Installation Guide53Table 9 lists the RJ-45 port pin signals when a twisted pair port is operating in the MD

Appendix A: Technical Specifications54

Contents6Physical Specifications ...

7Figure 1: RJ-45 Connector and Port Pin Layout...

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9TablesTable 1. Safety Symbols ..............................