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613-000190 Rev. B Gigabit Ethernet Smart Switches AT-GS950/16 AT-GS950/24 Installation Guide.
Copyright © 2007 Allied Telesis, Inc. All rights reserved. No part o f this pub lication may be repro duced without prior wr itten permission from Al lied Telesis, Inc. Allied Telesis and the Allied Telesis logo are trademarks of Allied Tele sis, Incorporated.
3 Electrical Safety and Emissions S tandards This product meets the following standards. RFI Emissions FCC Class A, EN55022 Clas s A, EN61000-3-2, EN61000-3-3, C-TICK, CE Immunity EN55024 Electrical Safety EN60950 (TUV), UL 60950 ( C UL US ) U.
4 T ranslated Safety S tatements Important: The indicates that a translation of th e safety statement is available in a PDF document titled “Translated Safety St atements” ( 613-000405) posted on the Allied Telesis website a t www.alliedtelesis.
5 Preface .............. ............ ........... ........... .............. ........... ........... ............ ........... .............. ...... ......................... ........... ........... .. 11 Safety Symbols Used in th is Docu ment........ .
Contents 6.
7 Figure 1. AT-GS950/16 and AT-G S950/24 Front Panels ......................... .............. .............. .............. ......... ........................ 17 Figure 2. AT-GS950/16 and AT-GS950/24 Back Panels .... .............. ........... ......
Figures 8.
9 Table 1. Safety Sy mbols ..................... .............. ........... .............. ........... .............. ............ ..... ......... .............. ........... ........... .. 12 Table 2. System LEDs .......... .............. ........... .
Tables 10.
11 Pr eface This guide contains installation instruct ions for the AT-GS950/16 and AT-GS950/24 Gigabit Ethernet Smart Sw itches. This prefac e contains the following sections: “Safety Symbols Us.
Preface 12 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-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 13 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 14 Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales and corporate information . Online Support You can request technical sup port online by accessing t he Allied Telesis Knowledge Base: www.
15 Chapter 1 Overview This chapter describes the AT-GS950/16 a nd AT-GS950/24 Layer 2 Gigabit Ethernet Switches. The sections in the cha pter are. “Features” on page 16 “Front and Back P.
Chapter 1: Ove rview 16 Features The features of the AT-GS950/16 and AT-GS95 0/24 Gigabit Ethernet Switches inclu de: LEDs for unit and port st atus 16 or 24 Auto-Negotiating 10/100/1000Base-T.
AT-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 17 Front and Back Panels Figure 1 illustrates the front panels of the AT-GS950/16 and AT-GS950/24 Gigabit Ethernet Switches. Figure 1. AT-GS950/16 and AT-GS950/24 Fro nt Panels Figure 2 illustrates the back panel o f the switches.
Chapter 1: Ove rview 18 Ports The AT-GS950/16 and AT-GS950/24 Layer 2 Gigabit Ethernet Switches feature 16 or 24 twisted pair por ts and two slots for optional SFP transceivers. Twisted Pair Ports The twisted pair ports are 10Base-T, 100Base- TX, and 1000Base-TX compliant.
AT-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 19 LEDs The LEDs shown in Figure 3 display system and po rt status information. Figure 3. AT-GS950/16 and AT-GS950/24 System and Port LEDs Table 2 describes the system LEDs.
Chapter 1: Ove rview 20 Table 4 describes the LEDs for the SFP ports. LINK/ACT Off The port has not established a link with an end node. Blinking Green The port is transmitting or receiving data. Green A valid link has been established on th e port. Table 4.
AT-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 21 Power Supply The switches have an internal power supply with a single AC power supply socket on the back panel which featur es autoswitch AC in puts. To power the switch on or off, connect or disconn ect the power cord provided with the switch.
Chapter 1: Ove rview 22 Network Topologies This section illustrates two network topologies of the AT-GS950/16 and AT-GS950/24 Layer 2 Gigabit Ethernet Switches: a powe r workgroup and collapsed backbone. Power Workgroup Topology The topology shown in Figure 4 is co mmonly referred to as a power workgroup topology.
AT-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 23 Collapsed Backbone In the topology illustrated in Figur e 5 the AT-GS950/16 is connected to other managed and unmana ged Ethernet switches to form a collapsed backbone topology.
Chapter 1: Ove rview 24.
25 Chapter 2 Installation This chapter contains the following sections: “Reviewing Safety Precautions” on p age 26 “Selecting a Site for the Switch” on p age 28 “Cable S pecifica.
Chapter 2: Inst allation 26 Reviewing Safety Precautions Please review the following safety pr ecautions before you begin to install the chassis or any of its components.
AT-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 27 Circuit Overloading: Consideratio n should be given to the connection of the equipment to the sup ply circuit and the ef fect that overloading of circuit s might have on over current protection and supply wiring.
Chapter 2: Inst allation 28 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 th e rack is safely secured and that it will not tip over .
AT-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 29 Cable Specifications Table 5 contains the cable spe cific ations for the twisted pair ports. Note The twisted pair ports on the switch fe ature auto-MDI when operating at 10, 100 or 1000 Mbps.
Chapter 2: Inst allation 30 Unpacking the Switch To unpack the switch, perform the following p rocedure: 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-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 31 Installing the Switch o n a Desktop You can install the AT-GS950/16 and AT-GS950/24 Gigabit Ethernet Smart Switches on a desktop or in a standard 19-inch equipment rack.
Chapter 2: Inst allation 32 Installing the Switch in an Equipment Rack To install the switch in a standard 19-inch equipment rack, perform the following procedure: 1.
AT-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 33 4. Mount the switch in a standard 19-inch equip ment rack using the four large screws included. Figure 9 an d Figure 10 show how to mount the AT-GS950/16 Switch and AT-GS950/24 Switch, respe ctively.
Chapter 2: Inst allation 34 Installing an Optional SFP Transceiver The AT-GS950/16 and AT-GS950/24 Gigabit Ethernet Smart Switche s have two slots for optional SFP transceivers. To install an SFP transceiver, perform the following procedure: Note The transceiver can be hot-swapped; you do not need to power off the switch to install a transceiver.
AT-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 35 4. Slide the transceiver into the SFP slot until it clicks into place. Figure 12. Inserting the SFP 5. Verify that the handle on the transceiver is in the upright position, as shown in Figure 13.
Chapter 2: Inst allation 36 Note Unnecessary removal and insertio n of an SFP can lead to premature failure. For information on the cable sp ecifications of the SFP , consult the documentation shipp ed with the SFP .
AT-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 37 Cabling the Switch Observe the following guidelines when connecting twisted pair and fiber optic cables to the ports on the switch: The connector on the cab le should fit snugly into the port o n the switch.
Chapter 2: Inst allation 38 Powering On the Switch To power on the switch, perform the following procedure: 1. Plug the power cord into the AC power connector on the back of the switch, as shown in Figure 14. Figure 14. Plugging in th e AC Power Cord 2.
39 Chapter 3 T r oubleshooting This chapter contains information on how to t roubleshoot the switch if a problem occurs. Note For further assistance, please contact Allied Te lesis Technical Support. Refer to “Contacting Allied Telesis” on page 14.
Chapter 3: Tro ubleshooting 40.
41 Appendix A T echnical Specifications Physical Specifications Dimensions: AT-GS950/16 330 mm x 23 0.7 mm x 43.2 mm (12.99 in x 9.08 in x 1.7 in) AT-GS950/24 440 mm x 257 mm x 43.2 mm (17.32 in x 10.12 in x 1.7 in) Weight: AT-GS950/16 2.38 kg (5.25 lbs) AT-GS950/24 3.
Appendix A: Technica l Specifications 42 Safety and Electromagnetic Emissions Certifications EMI/RFI: FCC Class A, EN55022 Class A, CISPR Class A Immunity: EN55024 Electrical Safety: EN60950 (TUV), UL.
AT-GS950/16 and AT-GS95 0/24 Gigabit Ethe rnet Smart Switches Ins tallation Guide 43 Table 7 lists the RJ-45 port pin signal s when a twisted pair port is operating in the MDI-X configuration. Table 8 lists the RJ-45 conn ector pins and their sign als when a 1000Base-T port is operating at 1 000 Mbps.
Appendix A: Technica l Specifications 44.
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