Allied-telesis AT-GS900/24 Manuale Utente

613-000891 Rev. AFanless GigabitEthernet SwitchesAT-GS900/16AT-GS900/24Installation Guide

Preface10Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales or corporate inform

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide11Management Software UpdatesNew releases of management software for our

12Chapter 1Product DescriptionThe AT-GS900/16 and AT-GS900/24 switches are unmanaged, Layer 2 Fanless Gigabit Ethernet switches designed to simplify t

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide13FeaturesAT-GS900/16 and AT-GS900/24 Fanless Gigabit Ethernet switches f

Chapter 1: Product Description14ComponentsFigure 1 illustrates the front panels of the AT-GS900/16 and AT-GS900/24 switches.Figure 1. Front PanelsFigu

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide15Hardware Feature DescriptionThe following sections describe hardware fe

Chapter 1: Product Description16Maximum DistanceEach twisted pair port has a maximum operating distance of 100 m (328 feet). Type of CablingFor 10 Mbp

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide17Table 2 describes the system and port LEDs on the AT-GS900/16 and AT-GS

Chapter 1: Product Description18Ethernet Switching BasicsAn Ethernet switch interconnects network devices, such as workstations, printers, routers, an

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide19Duplex Mode Duplex mode refers to how an end-node receives and transmit

Copyright © 2007 Allied Telesis, Inc. All rights reserved. No part of this publication may be reproduced without prior written permission from Allied

Chapter 1: Product Description20Network TopologiesThis section illustrates two network topologies that you can create with the AT-GS900/16 and AT-GS90

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide21CollapsedBackboneIn the topology illustrated in Figure 5, an AT-GS900/1

22Chapter 2InstallationThis chapter contains the following sections: “Reviewing Safety Precautions” on page 23 “Selecting a Site for the Switch” on

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide23Reviewing Safety PrecautionsPlease review the following safety precauti

Chapter 2: Installation24Selecting a Site for the SwitchObserve the following requirements when choosing a site for your switch: If you plan to insta

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide25Planning the InstallationTable 3 contains the cabling specifications fo

Chapter 2: Installation26Unpacking the SwitchTo unpack an AT-GS900/16 or an AT-GS900/24 switch, perform the following procedure:1. Remove all componen

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide27Installing the Switch on a Table or DesktopTo install the switch on a t

Chapter 2: Installation28WarningThe power cord is used as a disconnection device. To de-energize equipment, disconnect the power cord.  E36. Verify t

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide29Installing the Switch on a WallTo install the switch on a wall, perform

3Electrical Safety and Emissions StandardsThis product meets the following standards.RFI Emissions FCC Class A, CISPR 22 Class A, EN55022 Class A, C-T

Chapter 2: Installation303. Place the switch on the wall. Then mount the switch using the #10-32 Phillips screws which are shipped with the product. S

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide315. Apply power to the switch by plugging the AC/DC power adapter into a

Chapter 2: Installation32Installing the Switch in a RackPerform the following procedure to install the switch in a standard 19-inch rack. If you are n

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide335. Mount the switch in the 19-inch rack using the #10-32 Phillips screw

Chapter 2: Installation349. Power ON the end-nodes connected to the switch.10. Check that all the SPD/LINK/ACT LEDs are green. If any of the LEDs are

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide35Cabling the SwitchTo connect to the ports on the AT-GS900/16 and AT-GS9

Chapter 2: Installation36Powering On the SwitchTo apply power to the AT-GS900/16 and AT-GS900/24 switches, perform the following procedure:1. Apply AC

37Chapter 3TroubleshootingThis chapter contains information on how to troubleshoot the switch in the event that a problem occurs.NoteIf you are still

38Appendix ATechnical SpecificationsPhysical SpecificationsDimensions: (W x D x H)AT-GS900/16 330 mm x 230.5 mm x 43 mm(13.0 in x 9.07 in x 1.7 in)AT-

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide39Safety and Electromagnetic Emissions CertificationsEMI FCC Class A, CIS

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

Appendix A: Technical Specifications40Table 4 lists the RJ-45 pin signals when a twisted pair port is operating in the MDI configuration.Table 5 lists

5ContentsPreface ...

Contents6

7PrefaceThis guide contains instructions on how to install the AT-GS900/16 and AT-GS900/24 Gigabit Ethernet Switches. This preface contains the follow

Preface8Safety Symbols Used in this DocumentThis document uses the safety symbols defined in Table 1.Table 1. Safety SymbolsSymbol Meaning Description

AT-GS900/16, AT-GS900/24 Fanless Gigabit Ethernet Switches Installation Guide9Where to Find Web-based GuidesThe installation and user guides for all A