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613-000891 Rev. A Fanless Gigabit Ethernet Switches AT-GS900/16 AT-GS900/24 Installation Guide.
Copyright © 2007 Allied T elesis, Inc. All rights reserved. No part of this publication may be repr oduced withou t prior written permissi on from Allied Telesis, Inc. Microsoft and Internet Explorer are regi stered trademarks of Microsoft Corpo rat ion.
3 Electrical Safety and Emissions S tandards This product meets the following standards. RFI Emissions FCC Class A, CISPR 22 Class A, EN55022 Class A, C-TICK Immunity EN55024 Electrical Safety EN60950-1 (TUV), UL 60950 ( C UL US ) U.
4 T ranslated Safety S tatements Important: The indicates that a translation of th e safety statements is available in a PDF document titled “Translated Safety State ments” (6 13-000405) which is posted on the Allied Telesis website at www.alliedtelesis.
5 Contents Preface ...... ................. ................. ................ ................. .............. ................. ................. ...... ................ ................. ................. . 7 Safety Symbols Used in th is Docu ment.
Contents 6.
7 Pr eface This guide contains instructions on ho w to install the AT-GS900/16 and AT-GS900/24 Gigabit Ethernet Switc hes. This preface contains the following sections: “Safety Symbols Used in t.
Preface 8 Safety Symbols Used in this Document This document uses the safety symbols defined in Table 1. T able 1. Safety Symbols Symbol Meaning Description Caution Performing or omi tting a specific action may result in equipment damage or loss of data.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 9 Where to Find Web-based Guides The installation and user guides for all Allied Telesis products are available in portable document format (PDF) o n our web site at www.
Preface 10 Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales or corporate informat ion. Online Support You can request technical sup port online by accessing the Allied Telesis Knowledge Base from the followin g web site: www.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 11 Management Software Updates New releases of management software for o ur managed products are available from either of the following In ternet sites: Allied T elesis web site: www.
12 Chapter 1 Pr oduct Description The AT-GS900/16 and AT-GS900/24 switches a re unmanaged, Layer 2 Fanless Gigabit Ethernet switches designed to simplify the task of creating or expanding an Ethernet, Fast Ethernet, or Giga bit Ethernet network.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 13 Features AT-GS900/16 and AT-GS900/24 Fanl ess Gigabit Ethernet switches features include: 16 or 24 - RJ-45 10/10.
Chapter 1: Produc t Description 14 Components Figure 1 illustrates the front panels of the AT-GS900/16 and AT-GS900/24 switches. Figure 1. Front Panels Figure 2 illustrates the back panels of the AT-GS900/16 and AT-GS900/2 4 switches.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 15 Hardware Feature Description The following sections describe hardw are features of the AT-GS900/1 6 and AT-GS900/24 .
Chapter 1: Produc t Description 16 Maximum Distance Each twisted pair port has a maximum operating distance of 100 m (328 feet). Type of Cabling For 10 Mbps operation, Category 3 or b etter 100 ohm shielded or unshielded twisted pair cabling is required.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 17 Table 2 describes the system and p ort LEDs on the AT-GS900/16 and AT-GS900/24 switches. AC Power Connector Both the AT-GS900/16 and AT-GS900/ 24 switches have a single AC power supply socket on the back pane l, which has auto-switch AC inputs.
Chapter 1: Produc t Description 18 Ethernet Switching Basics An Ethernet switch interconnects ne twork devices, such as workstations, printers, routers, and other Ethern et switches, so that they can communicate with each other b y sending and receiving Ethernet frames.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 19 Duplex Mode Duplex mode refers to how an end-node receives and transmit s data. If an end-node can either receive or transmit data, but not both simultan eously, the end-node is operating in wha t is referred to as half-duplex mode.
Chapter 1: Produc t Description 20 Network Topologies This section illustrates two network topo logies that you can create with the AT-GS900/16 and AT-GS900/24 switch es: a power workgroup and collapsed backbone. Both types of topologie s are described below.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 21 Collapsed Backbone In the topology illustrated in Figur e 5, an AT-GS900/16 switch connects Fast Ethernet switches that have Gi gabit Etherne t uplinks. This type of topology is often referred to as a collapsed backbone topolo gy.
22 Chapter 2 Installation This chapter contains the following sections: “Reviewing Safety Precautions” on p age 23 “Selecting a Site for the Switch” on p age 24 “Planning the Ins.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 23 Reviewing Safety Precautions Please review the followin g safety precautions before you begin to inst all the switch or any of its components. Ref er to the “Translated Safety Statements” document for translated safety statements in your languag e.
Chapter 2: Inst allation 24 Selecting a Site for the Switch Observe the following requirements when choosing a site for your switch: If you plan to inst all the switch in an equipment rack, ensure that the rack is safely secured and that it will not tip o ver .
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 25 Planning the Installation Table 3 contains the cabling specific atio ns for the twisted pair ports. Note The twisted pair ports on the switch fe ature Auto-MDI when operating at either 10, 100, or 100 0 Mbps.
Chapter 2: Inst allation 26 Unpacking the Switch To unpack an AT-GS900/16 or an AT-GS900 /24 switch, perform the following procedure: 1. Remove all components from the shipping pa ckage. Note Store the packaging material in a sa fe location. You must use the original shipping material if you need to re turn the unit to Allied Telesis.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 27 Installing the Switch o n a Table or Desktop To install the switch on a ta ble or desktop, perform the following procedure: 1. Remove all the items from the packa ging and store the packaging material in a safe place.
Chapter 2: Inst allation 28 Warning The power cord is used as a disconnection device. To de-energize equipment, disconnect the powe r cord. E3 6. Verify that the POWER LED is green. If the LED is OFF, refer to “Troubleshooting” on page 37 for in structions.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 29 Installing the Switch o n a Wall To install the switch on a wall, pe rform the following procedure: 1. Remove all the items from the packa ging and store the packaging material in a safe place.
Chapter 2: Inst allation 30 3. Place the switch on the wall. Then mount the switch using the #10-32 Phillips screws which are shipped with the product. See Figure 8. Figure 8. Attaching the switch to the wall 4. Connected the twisted pair cabl es to the twisted pair ports.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 31 5. Apply power to the switch by plugging the AC/DC power adapter into an AC power outlet, the plug the DC co nnector to the power receptacle of the switch. Warning The power cord is used as a di sconnection device.
Chapter 2: Inst allation 32 Installing the Switch in a Rack Perform the following procedure to install the switch in a standard 19-inch rack. If you are not installing the switch in a rack, go to the next procedure. 1. Place the unit upside down o n a level, secure surface.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 33 5. Mount the switch in the 19-inch rack usin g the #10-32 Phillips screws which are shipped with the product, as illustrated in Figure 11 . Figure 11. Rackmounting the Switch 6.
Chapter 2: Inst allation 34 9. Power ON the end-nodes conn ected to the switch. 10. Check that all t he SPD/LINK/ACT LEDs are green. If any of the L EDs are OFF, refer to “Troubleshooting” on page 37 for inst ructions. The switch is now ready for use.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 35 Cabling the Switch To connect to the ports o n the AT-GS900/16 and AT-GS900/24 switches, perform the following procedure: 1. Connect the twisted pair data cables to the RJ-45 ports on the switch, as illustrated in Figure 12.
Chapter 2: Inst allation 36 Powering On the Switch To apply power to the AT-GS900/16 and AT-GS900/24 switches, perform the following procedure: 1. Apply AC power to the switch by plugging the power cord into the AC power connector on the back panel of the unit , as illustrated in Figure 13.
37 Chapter 3 T r oubleshooting This chapter contains information on how to troubleshoot the switch in the event that a problem occurs. Note If you are still unable to resolve the problem a fter following the instructions in this chapter, conta ct ATI Technical Support for assistance.
38 Appendix A T echnical Specifications Physical Specifications Dimensions: (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-GS900/24 330 mm x 230.5 mm x 43 mm (13.0 in x 9.07 in x 1.7 in) Weight: AT-GS900/16 2.38 kg (5.
AT-GS900/16, AT-GS900/24 Fa nless Gigabit Ethe rnet Switches Instal lation Guide 39 Safety and Electromagnetic Emissions Certifications EMI FCC Class A, CISPR 22 Class A, EN55022 Class A, C-TICK Immun.
Appendix A: Technica l Specifications 40 Table 4 lists the RJ-45 pin signals when a twisted pair port is operating in the MDI configuration. Table 5 lists the RJ-45 port pin signals when a twisted pair port is operating in the MDI-X configuration.
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