Manuale d’uso / di manutenzione del prodotto AT 8000/8POE del fabbricante Allied Telesis
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613-000238 Rev. C Layer 2 Fast Ethernet Switch AT-8000/8POE Installation Guide.
Copyright © 2008 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 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) poste d on the Allied Telesis website at www.alliedtelesis.
5 Contents Preface ...... .............. .............. .............. .............. .............. .............. .............. ........... ............ ...................... .............. ............. 11 Safety Symbols Used in th is Docu ment..
Contents 6 Appendix A: Te chnical Spec ifications ............ .............. .............. .............. .............. .............. .............. ............... ..............53 Physical Specifications .......................... ............ .
7 Figure 1. AT-8000/8POE Front Pane l............. ............................ ....................................... ............ .............. .............. .......... 17 Figure 2. AT-8000/8POE Back Panel . ............ .........................
Figures 8.
9 Ta b l e s Table 1. Safety Sy mbols ........................ .............. .............. .............. ................. .............. ..... ........... ............... .............. ....... 12 Table 2. 10/100Base-T PoE Port LE Ds ............ .
Tables 10.
11 Pr eface This guide contains instructions on ho w to install the AT-8000/8POE Fast Ethernet Switch. This preface contains the fo llowing sections: “Safety Symbols Used in this Document” o n.
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-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 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.alliedtelesis.com .
Preface 14 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 T elesis Knowledge Base from the followin g web site: www.
15 Chapter 1 Overview The AT-8000/8POE Fast Ethernet Switch is designed to simp lify the task of creating or expanding an Ethernet, Fa st Ethernet, or Gigabit Eth ernet network with the powe r of Power over Ethernet (PoE).
Chapter 1: Ove rview 16 Features The features of the AT-8000/8POE Fast Ethernet Switch include: Port status LEDs Eight Auto-Negotiating 10/100Base-T twiste d pair port s with Power over Ethern.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 17 Front and Back Panels Figure 1 illustrates the front panel of the AT-8000/8POE Fast Ethernet Switch. Figure 1. AT-8000/8POE Front Panel Figure 2 illustrates the back panel o f the AT-8000/8POE Fast Ethernet Switch.
Chapter 1: Ove rview 18 Ports The AT-8000/8POE Fast Ethernet Switch features eight twisted pair ports, one 10/100/1000Base-T port, and one combo SFP port. Twisted Pair Ports The twisted pair ports feature 8-pi n RJ-45 connectors. (For the port pinouts, refer to “Connectors a nd Port Pinouts” on page 55.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 19 10/100/1000 RJ-45 Uplink Port The 10/100/1000Base-T uplink port is a backup for the SFP uplink port. If the SFP’s fiber connection fails, the 10/100/1000Base-T uplink port takes over the connection.
Chapter 1: Ove rview 20 LEDs The LEDs on the front panel display the system and po rt status information. Each port has two LEDs as shown in Figure 3. Figure 3.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 21 Table 4 describes the Powe r LED. Table 4 describes the LEDs for the uplink ports. Amber A valid link has been establishe d on the port and the port is operating in 10 Base-T mode. Blinking amber The port is transmitting or receiving data at 10 Mbps.
Chapter 1: Ove rview 22 Power Supply The switch has an internal power supply with a single AC power supply socket on the back panel which features autoswitch AC inputs. To power the switch on or off, connect or disconnect the power co rd provided with the switch.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 23 Power over Ethernet The twisted pair ports on the AT-8000/8POE Fast Ethernet Switch f eature Power over Ethernet (PoE). PoE is a mechanism for supplying power to network devices over t he same twisted pair cables used to carr y network traffic.
Chapter 1: Ove rview 24 Power Budgeting The AT-8000/8POE Fast Ethernet Switch p rovides a maximum of 15.4 W of power per port on six of the eight ports fo r a total power consumption of 95 W, while at the same time furnishing standard 10/100 Mb ps Ethernet functionality.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 25 should be able to receive its power fr om the switch while using either a straight or cross-over cable. The PoE feature on th e AT-8000/8POE Fast Ethernet Switch should also work wit h most legacy PD’s as long as the device can be powered on pins 4, 5, 7, an d 8.
Chapter 1: Ove rview 26 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-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 27 Duplex Mode Duplex mode refers to how an end node receives and transmits data. If an end node can receive or transmit data, but not both simultaneously, the end node is operating in what is referred to as half-duplex mode.
Chapter 1: Ove rview 28 Back Pressure and Flow Control To maintain the orderly movement of data between the end nodes, an Ethernet switch may periodically need to signal an end node to sto p sending data.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 29 Network Topologies This section illustrates two network topol o gies that you can create with the AT-8000/8POE Fast Ethernet Switch: a power workgroup a nd collapsed backbone. Both types of topologie s are described below.
Chapter 1: Ove rview 30 Collapsed Backbone In the topology illustrated in Figu re 5, an AT-9424T Gigabit Ethernet Switch forms the backbone that connects to servers and AT-80 00/8POE Fast Ethernet switches using Gigabi t Ethernet uplinks. This type of topology is often referred to as a collapsed backbone topology.
31 Chapter 2 Installation This chapter contains the following sections: “Reviewing Safety Precautions” on p age 32 “Selecting a Site for the Switch” on p age 34 “Cabling” on pa.
Chapter 2: Inst allation 32 Reviewing Safety Precautions Please review the following safety pr ecautions before you begin to install the chassis or any of its components.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 33 Circuit Overloading: Consideratio n should be given to the connection of the equipment to the sup ply circuit and the effect that overloading of circuits might have on overcurrent protection and supply wiring.
Chapter 2: Inst allation 34 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-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 35 Cabling Table 6 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 10 or 100 Mbps. Each port is individu ally configured as MDI or MDI-X when connected to an end node.
Chapter 2: Inst allation 36 Unpacking the Switch To unpack the switch, perform the following p rocedure: 1. Re move all components from the shipping package. 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-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 37 Installing the Switch o n a Desktop You can place AT-8000/8POE Fast Ethernet Switch on a desktop or install it in a 19-inch rack. To install the switch in a rack, refer to “Installing the Switch in a Rack” on page 38.
Chapter 2: Inst allation 38 Installing the Switch in a Rack To install the AT-8000/8POE Fast Ethernet Switch in a rack, perform the following procedure: 1.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 39 4. Mount th e switch on a 19-inch rack using the four large screws included, as shown in Figur e 8 Figure 8.
Chapter 2: Inst allation 40 Warning: Operating Temperature. This product is designed for a maximum ambient temperature of 40° degree s C. E7 Circuit Overloading: Consideration should be given to .
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 41 Installing an Optional SFP Transceiver The AT-8000/8POE Fast Ethernet Switch has one SFP uplin k port. To install an SFP transceive r, perform the following procedure: Note The transceiver can be hot-swapped; you do not need to power off the switch to install a transceiver.
Chapter 2: Inst allation 42 4. Slide the SFP transceiver into an SFP slot on the switch, as shown in Figure 10. Figure 10. Inserting the SFP 5. Re peat steps 2 through 4 if you are in stalling another SFP transceiver. Note SFP transceivers are dust sensitive.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 43 Cabling and Powering On the Switch Connecting the Twisted Pair Cables To connect the twisted cables to t he RJ-45 ports on the AT-8000/8POE Fast Ethernet Switch, perform the following proce dure: 1.
Chapter 2: Inst allation 44 Connecting the Fiber Optic Cables To connect a fiber optic cable to an SFP installed in the AT-8000/8POE Fast Ethernet Switch, perform the following procedure : 1. Re move the dust plug from the SFP, as sho wn in Figure 12.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 45 Figure 14. Plugging in the AC Power Cord 2. Plu g the other end of the power cord into a wall outlet. 3. Verify tha t the POWER LED is green. If the LED is OFF, refer to Chapter 3, “Troubleshooting” o n page 51.
Chapter 2: Inst allation 46 Starting a Management Session The AT-8000/8POE Fast Ethernet Switch p rovides two methods for accessing the switch and p erforming management functions, as described in the.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 47 The Login Menu is shown in Figure 16. Figure 16. Login Menu 4. Enter “manager” for the login name and press Return. Y ou are prompted for a password. 5. Enter “friend” as the password.
Chapter 2: Inst allation 48 Establishing a Remote Connection to Use the Web Browser Interface In order for you to manage a switch using the we b browser interface, the switch must have an IP address and subnet mask. You must use the menus interface to assign an IP address.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 49 3. Enter the A T-S81 ma nagement login user name and password. The default user name is “mana ger” and the default password is “friend.” The login name and password are case-sensitive.
Chapter 2: Inst allation 50 Warranty Registration Allied Telesis hardware products ar e covered under limited warran ties. Some products have a long er or more appropriate coverage the others. The AT-8000/8POE Fast Ethernet switch has a limited warranty of Lifetime (24 months Fan & PSU).
51 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 need further assistance, please contact Allie d Telesyn Technical Support. Refer to “Conta cting Allied Telesis” on pa ge 14.
Chapter 3: Tro ubleshooting 52 If the port PoE LED is solid amber , then the power required by the connected device is more than th e maximum power budget for the port. If this is the case, the connected device may not qua lify for connection to the switch.
53 Appendix A T echnical Specifications Physical Specifications Dimensions: 330 mm x 204 mm x 43.6 mm 12.99 in x 8.03 in x 1.72 in) Weight: 3.25 kg (7.
Appendix A: Technica l Specifications 54 Safety and Electromagnetic Emissions Certifications EMI/RFI: FCC Class A, EN55022 Class A, CISPR Class A Immunity: EN55024 Electrical Safety: EN60950 (TUV), UL.
AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Gui de 55 Connectors and Port Pinouts This section lists the connectors an d connector pinouts for the AT-8000/8POE Fast Ethernet Switch and their compone nts. Figure 21 illustrates the pin lay out for an RJ-45 connector an d port.
Appendix A: Technica l Specifications 56 1000Base-T port is operating at 1000 Mbp s. Table 9. RJ-45 1000Base-T Connector Pinouts Pin Pair Signal 1 1 TX and RX+ 2 1 TX and RX- 3 2 TX and RX+ 4 3 TX and.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Allied Telesis AT 8000/8POE è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Allied Telesis AT 8000/8POE - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Allied Telesis AT 8000/8POE imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Allied Telesis AT 8000/8POE ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Allied Telesis AT 8000/8POE, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Allied Telesis AT 8000/8POE.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Allied Telesis AT 8000/8POE. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Allied Telesis AT 8000/8POE insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
