Allied Telesis AT-8024 Installation Manual
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Allied Telesis AT-8024 Installation Manual

Fast ethernet switches
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Installation
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PN 613-50244-00 Rev A

Fast Ethernet

Switches
AT-8024
AT-8024GB
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Summary of Contents for Allied Telesis AT-8024

  • Page 1: Fast Ethernet

    Fast Ethernet ® Switches AT-8024 AT-8024GB Installation Guide PN 613-50244-00 Rev A...
  • Page 2 Copyright  2001 Allied Telesyn International, Corp. 960 Stewart Drive Suite B, Sunnyvale, CA 94085 USA All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesyn International, Corp. All other product names, company names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners.

  • Page 3: Electrical Safety And Emission Statement

    Electrical Safety and Emission Statement Standards: This product meets the following standards. U.S. Federal Communications Commission RADIATED ENERGY Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules.

  • Page 4: Table Of Contents

    Table of Contents Preface ............................................6 How This Guide is Organized ..................................... 6 Document Conventions ...................................... 7 Where to Find Web-based Guides ................................... 8 Contacting Allied Telesyn ....................................9 Online Support ....................................... 9 Telephone and Fax Support ..................................9 Email Addresses ......................................9 For Sales or Corporate Information ................................
  • Page 5 Duplex Mode......................................... 38 Store and Forward....................................... 38 Backpressure and Flow Control ................................38 Network Topologies ......................................40 Power Workgroup Topology................................... 40 Collapsed Backbone - Hub Topology..............................41 Collapsed Backbone - Switch Topology.............................. 42 Chapter 2 Installation ..........................................43 Reviewing Safety Precautions ..................................44 Selecting a Site for the Switch ..................................45 Planning the Installation ....................................46 Unpacking the Switch ......................................47...

  • Page 6: Preface

    Preface This guide contains instructions on how to install AT-8024 and AT-8024GB Fast Ethernet Switches. How This Guide is Organized This manual contains the following chapters and appendices: Chapter 1, Hardware Description, describes the features and components of the switch.

  • Page 7: Document Conventions

    AT-8024 and AT-8024GB Installation Guide Document Conventions This document uses the following conventions to highlight important information. Note Notes provide additional information. Warning Warnings inform you that performing or omitting a specific action may result in bodily injury. Caution Cautions inform you that performing or omitting a specific action...

  • Page 8: Where To Find Web-Based Guides

    Preface Where to Find Web-based Guides The Allied Telesyn web site at www.alliedtelesyn.com contains the most recent documentation for all Allied Telesyn International products. All documents are available as PDF files. You can either view the documents online or download them onto a local workstation or server. Once you have installed the switch, refer to following manual for instructions on how to manage and configure the unit.

  • Page 9: Contacting Allied Telesyn

    AT-8024 and AT-8024GB Installation Guide Contacting Allied Telesyn You can contact Allied Telesyn technical support by telephone, fax, or email. You can also contact Technical Support online through our web site at www.alliedtelesyn.com. Online Support To request technical support online, fill out the Online Technical Support Form on our web site.

  • Page 10: Returning Products

    Preface Returning Products Products for return or repair must first be assigned a Return Materials Authorization (RMA) number. A product sent to Allied Telesyn without a RMA number will be returned to the sender at the sender’s expense. To obtain an RMA number, contact Allied Telesyn’s Technical Support at one of the following locations: North America European Customer Support Centre...

  • Page 11: Management Software Updates

    AT-8024 and AT-8024GB Installation Guide Management Software Updates Allied Telesyn periodically updates the management software programs for our managed products. To obtain a copy of an updated management program, you can download the software either from our web site or our FTP server at ftp.alliedtelesyn.com.

  • Page 12: Product Description

    Chapter 1 Product Description The AT-8024 and AT-8024GB are Layer 2 Fast Ethernet switches. They offer a wide range of features and capabilities, all designed to simplify the task of creating and maintaining an Ethernet or Fast Ethernet network. Summary of Features...

  • Page 13: Location Of Components

    AT-8024 and AT-8024GB Installation Guide Location of Components Figure 2 illustrates the front panel of the AT-8024 Fast Ethernet Switch. System LED Mode LEDs Select Button AT-8024 RS-232 TERMINAL PORT 10Base-T / 100Base-TX Fast Ethernet Switch MODE Link FAULT Mode...

  • Page 14: Hardware Features

    Product Description Hardware Features The following sections describe these hardware features of the AT-8024 and AT-8024GB Fast Ethernet Switches: Twisted Pair Ports Port LEDs and the LED Mode Select Button System LEDs Gigabit Interface Converter (GBIC) Expansion Slots GBIC Module LEDs...
  • Page 15 AT-8024 and AT-8024GB Installation Guide Note Auto-Negotiation is activated as the default on all twisted pair ports on the switch. To deactivate Auto-Negotiation and set the speeds manually, refer to the AT-S39 Management Software User’s Guide. Maximum Distance Each twisted pair port has a maximum operating distance of 100 m (328 ft.).

  • Page 16: Port Leds And The Led Mode Select Button

    Product Description Port LEDs and the LED Mode AT-8024GB 10Base-T / 100Base-TX Fast Ethernet Switch Select Button PORT A MODE Link Mode Link FULL Mode Mode Select Port LEDs Button Figure 5 Port LEDs and the Mode Selection Switch The port LEDs on the front panel display port status information. Each port has two LEDs.
  • Page 17 AT-8024 and AT-8024GB Installation Guide Table 1 describes the port LEDs. Table 1 Port LEDs State Description LINK Indicates that there is no link between the port and the end node. Steady Green Indicates a valid link has been established between the port and the end node.

  • Page 18: System Leds

    Product Description System LEDs RS-232 TERMINAL PORT PORT B FAULT LINK MASTER MODE System LEDs Figure 6 System LEDs The system LEDs on the front panel display general status information about the entire switch. The system LEDs are defined in Table 2. Table 2 System LEDs State Description...

  • Page 19: Gigabit Interface Converter (Gbic) Expansion Slots

    For a list of the Allied Telesyn GBIC modules supported by the AT-8024GB Fast Ethernet Switch, contact your Allied Telesyn sales representative. Note The AT-8024 Fast Ethernet Switch does not have GBIC expansion slots.

  • Page 20: Gbic Module Leds

    Product Description GBIC Module Next to each GBIC slot are two LEDs. The LEDs display the operating status of a GBIC module. Use the Mode Select Button to toggle the status LEDs information displayed by a GBIC Mode LED. The LEDs are defined in Table 3.

  • Page 21: Rs-232 Terminal Port

    Note You are not required to manage an AT-8024 or AT-8024GB Fast Ethernet Switch. The default switch settings may be sufficient for your network, in which case you can use the unit as an unmanaged switch.

  • Page 22: Reset Button

    Product Description Reset Button RESET Reset Button Figure 10 Reset Button A Reset button is located on the back panel of the switch. You might need to reset the switch under the following conditions: To resolve a switch problem. To reset the switch statistics stored by the management software. The button is recessed in the switch’s chassis.

  • Page 23: Ac Power Connector

    AT-8024 and AT-8024GB Installation Guide AC Power Connector Figure 11 AC Power Connector The switch has a single AC power supply socket on the back panel, which has autoswitch AC inputs. Refer to Appendix A, Technical Specifications, for the input voltage range. To power ON or OFF the...

  • Page 24: Software Features

    All of the features described here are further described in the AT-S39 Management Software User’s Guide. AT-S39 The AT-8024 and AT-8024GB Fast Ethernet Switches come with the AT-S39 management software pre-installed. This management software Management comes with default values for all the operating parameters for a switch.
  • Page 25 AT-8024 and AT-8024GB Installation Guide RS-232 Terminal Port One method for accessing the management software is by connecting a terminal or a PC with a terminal emulation program to the RS-232 Terminal Port on the switch. This is commonly referred to as local or out- of-band management.
  • Page 26 Product Description Web-browser You can also manage the switch from a workstation on your network using a web browser, such as Netscape Navigator. This is referred to as remote or in-band management. To start a web browser management session, you simply enter the switch’s IP address in the URL field of the web browser, as shown in Figure 14.

  • Page 27: Enhanced Stacking

    You can also manage a switch with an SNMP management program, such as HP Openview. This management method requires loading the AT-8024 and AT-8024GB Fast Ethernet Switch MIBs onto the workstation from where you intend to manage the switch and that you compile the MIBs with a MIB complier.
  • Page 28 Product Description Before the advent of enhanced stacking, managing a switch meant that you had to establish a separate management session with it. This often involved going to the wiring closet where the switch was located and establishing the session through the RS232 management port on the switch.
  • Page 29 AT-8024 and AT-8024GB Installation Guide To initiate a management session on the AT-8024GB switches in a subnet, you start it on the Master switch. After the session is started, you will have management access to all the AT-8024GB switches in the subnet.

  • Page 30: Spanning Tree Protocol (Stp)

    So not only does STP guard against multiple links between end nodes, but it also activates backup redundant paths in case a main link fails. STP is disabled by default on the AT-8024 and AT-8024GB Fast Ethernet Switches. Note The AT-8024 and AT-8024GB Fast Ethernet Switches support only one STP domain.

  • Page 31: Tagged And Port-Based Vlans

    This allows you to group together network devices that, though physically separated by large distances, will function as if they are a part of the same physical LAN. The AT-8024 and AT-8024GB Fast Ethernet Switches support two types of VLANs: Port-based VLANs...

  • Page 32: Quality Of Service (Qos)

    Product Description Quality of The AT-8024 and AT-8024GB Fast Ethernet Switches support the IEEE 802.1p standard and Quality of Service. QoS can be important in network Service (QOS) environments where there are time-critical applications, such as voice transmission or video conferencing, that can be adversely affected by packet transfer delays.

  • Page 33: Port Mirroring

    Port Trunking Port trunking is an economical way for you to increase the bandwidth between an AT-8024 or AT-8024GB Fast Ethernet Switch and another network device, such as a server, router, workstation, or another switch. A port trunk is two or more data ports that have been grouped together to increase the bandwidth between a switch and a network node by functioning as one logical path.
  • Page 34 Example of a Port Trunk Figure 17 shows an example of a port trunk between an AT-8024 and a network server. The server is connected to the switch with four data links. The links are connected to ports 1 through 4 on the switch.

  • Page 35: Port Security

    This security level can prevent unauthorized individuals from connecting to your network and gaining access to network resources. For example, if an AT-8024 port is connected to an Ethernet hub with four workstations attached, you can configure the switch port to learn only four MAC addresses.
  • Page 36 Product Description You must specify the static MAC addresses of the nodes whose frames the switch should forward. The switch will forward frames only from those nodes whose MAC addresses you enter in the static MAC address table. Any node whose MAC address is not in the static MAC address table will not be able to send frames through the switch.

  • Page 37: A Few Basics To Ethernet Switching

    NIC already has a MAC address assigned to it by its manufacturer. The AT-8024 and AT-8024GB Fast Ethernet Switches contain a 4 kilobyte MAC address table. The switch uses the table to store the MAC addresses of the network nodes connected to its ports, along with the port number on which each address was learned.

  • Page 38: Duplex Mode

    Each twisted pair port on an AT-8024 and AT-8024GB Switches can operate in either half- or full-duplex mode. The twisted pair ports are IEEE 802.3u-compliant and will Auto-Negotiate the duplex mode setting...
  • Page 39 AT-8024 and AT-8024GB Installation Guide How a switch signals an end node to stop transmitting data differs depending on the speed and duplex mode of the end node and switch port. A twisted pair port operating at 100 Mbps port and half-duplex mode stops an end node from transmitting data by forcing a collision.

  • Page 40: Network Topologies

    The topology shown in Figure 19 is commonly referred to as a power workgroup topology. Each workstation or node is connected directly to Workgroup a port on an AT-8024 Fast Ethernet Switch, giving each node a dedicated Topology data link to the switch for best performance and reliability. The devices can operate at either 10 Mbps or 100 Mbps.

  • Page 41: Collapsed Backbone - Hub Topology

    AT-8024 and AT-8024GB Installation Guide Collapsed In the topology illustrated in Figure 20, an AT-8024 is used to connect together 10/100 Mbps Ethernet hubs. This type of topology is often Backbone - Hub referred to as a collapsed backbone topology. The switch functions as...

  • Page 42: Collapsed Backbone - Switch Topology

    Product Description Collapsed If you need to connect together multiple switches and the switches are physically separated by large distances, you can use AT-8024GB Fast Backbone - Ethernet Switches and install fiber optic GBIC modules. The modules can Switch span large distances and, since they operate a 1000 Mbps, can be used Topology to build a fast backbone between the switches.

  • Page 43: Chapter 2 Installation

    Chapter 2 Installation This chapter contains the installation procedures for the switch. The chapter contains the following sections: Reviewing Safety Precautions Verifying the Package Contents Selecting a Site for the Switch Planning the Installation Installing the Switch on a Desktop Installing the Switch in a Rack Installing an Expansion Module...

  • Page 44: Reviewing Safety Precautions

    Installation Reviewing Safety Precautions Please review the following safety precautions before you begin to install the switch. Refer to Appendix C for translated safety statements in your language. (The laser warnings apply only if you purchased an optional fiber optic GBIC module for the AT-8024GB Switch.) Laser Class 1 laser product.

  • Page 45: Selecting A Site For The Switch

    AT-8024 and AT-8024GB Installation Guide Selecting a Site for the Switch Observe the following requirements when choosing a site for your switch: If you plan to install the switch in an equipment rack, check to be sure that the rack is safely secured and that it will not tip over.

  • Page 46: Planning The Installation

    Note The ports on the AT-8024 and AT-8024GB Switches are IEEE 802.3ab-compatible and are configured automatically by the switch as MDI or MDI-X when connected to an end node. You can use either a straight-through or crossover twisted pair cable when connecting a device to a port on the switch.

  • Page 47: Unpacking The Switch

    AT-8024 and AT-8024GB Installation Guide Unpacking the Switch To unpack the switch, perform the following procedure: 1. Remove all components from the shipping package and store the packaging material in a safe location. Note You must use the original shipping material if you need to return the unit to Allied Telesyn.

  • Page 48: Installing The Switch In A Rack

    Installation 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 on a level, secure surface. 2.
  • Page 49 AT-8024 and AT-8024GB Installation Guide 4. Attach a rackmounting bracket to one side of the switch using three of the screws that came with the switch. See Figure 23. Figure 23 Attaching Rackmounting Brackets 5. Install the second rackmounting bracket on the other side of the...
  • Page 50 Installation 6. Mount the switch in the 19-inch rack using standard screws (not provided). 7. GO TO THE NEXT PROCEDURE.

  • Page 51: Installing An Optional Gbic Module

    AT-8024 and AT-8024GB Installation Guide Installing an Optional GBIC Module If you are installing an AT-8024GB Fast Ethernet Switch and you purchased an optional GBIC module, perform the following procedure. If you did not purchase an optional module or you are installing an AT- 8024 Fast Ethernet Switch, go to the next procedure.
  • Page 52 Installation 3. Slide the GBIC module into one of the expansion slots in the front of the AT-8024GB Switch. The GBIC module is completely seated in the slot when it clicks into place. Figure 24 Installing a GBIC Module Note If you are installing only one GIBC module in the switch, you should install the module in the slot labelled Port A.

  • Page 53: Cabling And Powering On The Switch

    AT-8024 and AT-8024GB Installation Guide Cabling and Powering On the Switch Perform the following procedure to connect the data cables to the switch ports and to apply power to the switch. 1. Connect the twisted pair data cables to the RJ-45 ports on the switch, as shown in Figure 25.
  • Page 54 Installation If you are creating a port trunk, do not connect the cables of the trunk to the switch until you after have configured the trunk using the switch’s management software. Connecting the trunk cables to the switch before you have configured the software will result in a data loop, which can adversely affect network performance.
  • Page 55 AT-8024 and AT-8024GB Installation Guide 3. Attach the fiber optic data cable to the port on the GBIC module. Figure 27 Attaching a Fiber Optic Cable to a GBIC Module When you attach a fiber optic cable to a GIBC module, be sure to...
  • Page 56 Installation 4. Apply AC power to the switch by plugging the power cord into the AC power connector on the back panel of the unit and plugging the other end into a wall outlet. Warning The power cord is used as a disconnection device. To de-energize equipment, disconnect the power cord.

  • Page 57: Starting A Local Management Session

    AT-8024 and AT-8024GB Installation Guide Starting a Local Management Session The procedure in this section explains how to start a local (out-of-band) management session using the RS-232 Terminal Port on the front panel of the switch. You can use a local management session to configure the switch’s operating parameters and view performance and error...
  • Page 58 DEC VT100 or ANSI terminal, or an equivalent terminal emulation program. 4. Press Return. The switch displays the management software’s Main Menu, shown in Figure 30. Allied Telesyn AT-8024 Ethernet Switch Main Menu 1 - Port Menu 2 - VLAN Menu 3 - Spanning Tree Menu...

  • Page 59: Warranty Registration

    AT-8024 and AT-8024GB Installation Guide Warranty Registration When you have finished installing the switch, register your product by completing the enclosed warranty card and sending it in, or by visiting our web site and completing the on-line registration form.

  • Page 60: Chapter 3 Troubleshooting

    Chapter 3 Troubleshooting This chapter contains information on how to troubleshoot the switch in the event a problem occurs. Note If after following the instructions in this chapter you are unable to resolve the problem, contact Allied Telesyn Technical Support for assistance.
  • Page 61 AT-8024 and AT-8026GB Installation Guide Check that the twisted pair cable is securely connected to the port on the switch and to the port on the end node. Make sure that the twisted pair cable does not exceed 100 meters (328 feet).
  • Page 62 Troubleshooting Check that the operating specifications (for instance, wavelength and maximum operating distance) of the fiber optic port on the remote end node are compatible with the fiber optic port on the GBIC module. For example, you cannot connect a GBIC module with a maximum distance of 40 kilometers and a wavelength of 1550 nanometers (nm) to a remote fiber optic port with an maximum distance of only 10 kilometers and a wavelength of...
  • Page 63 AT-8024 and AT-8026GB Installation Guide If you are unable to establish a local management session with the switch through the RS-232 Terminal Port on the front panel, do the following: Check to be sure that the RS-232 cable is securely connected to the RS-232 Terminal Port on the switch and to the RS-232 port on the terminal or personal computer.

  • Page 64: Technical Specifications

    Appendix A Technical Specifications Physical Specifications Dimensions 4.4 cm x 43.8 cm x 18.4 cm (H x W x D) (1.75 in. x 17.25 in. x 7.25 in.) Weight 2.7 kg (5.9 lbs) Recommended 10 cm (4.0 in.) Minimum Ventilation on All Sides...

  • Page 65: Environmental Specifications

    AT-8024 and AT-8024GB Installation Guide Environmental Specifications Operating 0° C to 40° C (32° F to 104° F) Temperature Storage -25° C to 70° C (-13° F to 158° F) Temperature Operating 5% to 95% non-condensing Humidity Storage 5% to 95% non-condensing...

  • Page 66: Power Specifications

    Technical Specifications Power Specifications Maximum 63 watts Power Consumption AC Input 100-240 VAC 2A Voltage Frequency 50/60 Hz...

  • Page 67: Safety And Electromagnetic Emissions Certifications

    AT-8024 and AT-8024GB Installation Guide Safety and Electromagnetic Emissions Certifications Safety UL 1950 (UL/cUL), EN60950 (TUV) FCC Class A, EN55022 Class A, VCCI Class A, C-TICK, EN61000-3-2, EN61000-3-3 Immunity EN55024 Quality and MTBF > 90,000 hrs, MTTR < 1/2 hr DOA < 1%...

  • Page 68: Standards

    Technical Specifications Standards IEEE 802.3 (10Base-T Ethernet) IEEE 802.3u (10Base-TX Ethernet) IEEE 802.1d (Spanning Tree) IEEE 802.Q (Virtual LAN tagging) IEEE 802.3x (Flow Control IEEE 802.3ad (Link Aggregation) RFC 1112 (IGMP Snooping Version 1.0) RFC 2236 (IGMP Snooping Version 2.0)

  • Page 69: Snmp Support

    AT-8024 and AT-8024GB Installation Guide SNMP Support RFC 1213 (MIB II) RFC 1215 (TRAP MIB) RFC 1493 (Bridge MIB) RFC 1643 (Ethernet MIB) RFC 1573 (Interface Group MIB) RFC 2674 (IEEE 802.1Q MIB) Allied Telesyn International (ATI) Enterprise MIB...

  • Page 70: Rj-45 Twisted Pair Port Pinouts

    Technical Specifications RJ-45 Twisted Pair Port Pinouts Figure 31 illustrates the pin layout to an RJ-45 connector and port. Figure 31 RJ-45 Connector and Port Pin Layout Table 5 lists the RJ-45 pin signals when a twisted pair port is operating in the MDI configuration.

  • Page 71: Default Switch Settings

    Appendix B Default Switch Settings This appendix lists the factory default settings for the switch. Setting Default IP Address 0.0.0.0 Subnet Mask 0.0.0.0 Gateway Address 0.0.0.0 DHCP and BOOTP Disabled IGMP Snooping Disabled System Name None MAC Aging Time 300 seconds Spanning Tree Protocol Status Disabled...
  • Page 72 Default Switch Settings Setting Default Port Mirroring Disabled Port Trunking Disabled VLANs Port-based and Tagged VLANs Enabled Default VLAN Name Default VLAN (all ports) Basic VLAN Mode Disabled RS-232 Terminal Port Data Bits Stop Bits Parity None Flow Control None Data Rate 115200 bps...

  • Page 73: Translated Electrical Safety And Emission Information

    Appendix C Translated Electrical Safety and Emission Information Important: This appendix contains multiple-language translations for the safety statements in this guide. Wichtig: Dieser Anhang enthält Übersetzungen der in diesem Handbuch enthaltenen Sicherheitshinweise in mehreren Sprachen. Vigtigt: Dette tillæg indeholder oversættelser i flere sprog af sikkerhedsadvarslerne i denne håndbog.
  • Page 74 Translated Electrical Safety and Emission Information Standards: This product meets the following safety standards. U.S. Federal Communications Commission RADIATED ENERGY Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 75 AT-8024 and AT8024GB Installation Guide PLUGGABLE EQUIPMENT, the socket outlet shall be installed near the equipment and shall be easily accessible. CAUTION: Air vents must not be blocked and must have free access to the room ambient air for cooling.
  • Page 76 Translated Electrical Safety and Emission Information Standarder: Dette produkt tilfredsstiller de følgende standarder. Radiofrekvens forstyrrelsesemission FCC Klasse A, EN55022 Klasse A, VCCI Class A, C-TICK, EN61000-3-2, EN61000-3-3 ADVARSEL: I et hjemligt miljø kunne dette produkt forårsage radio forstyrrelse. Bliver det tilfældet, påkræves brugeren muligvis at tage tilstrækkelige foranstaltninger.
  • Page 77 AT-8024 and AT8024GB Installation Guide Eisen: Dit product voldoet aan de volgende eisen. RFI Emissie FCC Klasse A, EN55022 Klasse A, VCCI Class A, C-TICK, EN61000-3-2, EN61000-3-3 WAARSCHUWING: Binnenshuis kan dit product radiostoring veroorzaken, in welk geval de gebruiker verplicht kan worden om gepaste maatregelen te nemen.
  • Page 78 Translated Electrical Safety and Emission Information Normes: ce produit est conforme aux normes de suivantes: Emission d’interférences radioélectriques FCC Classe A, EN55022 Classe A, VCCI Class A, C-TICK, EN61000-3-2, EN61000-3-3 MISE EN GARDE : dans un environnement domestique, ce produit peut provoquer des interférences radioélectriques.
  • Page 79 AT-8024 and AT8024GB Installation Guide Standardit: Tämä tuote on seuraavien standardien mukainen. Radioaaltojen häirintä FCC Luokka A, EN55022 Luokka A, VCCI Class A, C-TICK, EN61000-3-2, EN61000-3-3 VAROITUS: Kotiolosuhteissa tämä laite voi aiheuttaa radioaaltojen häiröitä, missä tapauksessa laitteen käyttäjän on mahdollisesti ryhdyttävä tarpeellisiin toimenpiteisiin.
  • Page 80 Translated Electrical Safety and Emission Information Standard: Questo prodotto è conforme ai seguenti standard. Emissione RFI (interferenza di radiofrequenza) FCC Classe A, EN55022 Classe A, VCCI Class A, C-TICK, EN61000-3- 2, EN61000-3-3 AVVERTENZA: in ambiente domestico questo prodotto potrebbe causare radio interferenza.
  • Page 81 AT-8024 and AT8024GB Installation Guide Sikkerhetsnormer: Dette produktet tilfredsstiller følgende sikkerhetsnormer. RFI stråling FCC Klasse A, EN55022 Klasse A, VCCI Class A, C-TICK, EN61000-3-2, EN61000-3-3 ADVARSEL: Hvis dette produktet benyttes til privat bruk, kan produktet forårsake radioforstyrrelse. Hvis dette skjer, må brukeren ta de nødvendige forholdsregler.
  • Page 82 Translated Electrical Safety and Emission Information Padrões: Este produto atende aos seguintes padrões. Emissão de interferência de radiofrequência FCC Classe A, EN55022 Classe A, VCCI Class A, C-TICK, EN61000-3- 2, EN61000-3-3 AVISO: Num ambiente doméstico este produto pode causar interferência na radiorrecepção e, neste caso, pode ser necessário que o utente tome as medidas adequadas.
  • Page 83 AT-8024 and AT8024GB Installation Guide Estándares: Este producto cumple con los siguientes estándares. Emisión RFI FCC Clase A, EN55022 Clase A, VCCI Class A, C-TICK, EN61000-3-2, EN61000-3-3 ADVERTENCIA: en un entorno doméstico, este producto puede causar radiointerferencias, en cuyo caso, puede requerirse del usuario que tome las medidas que sean convenientes al respecto.
  • Page 84 Translated Electrical Safety and Emission Information Standarder: Denna produkt uppfyller följande standarder. Radiostörning FCC Klass A, EN55022 Klass A, VCCI Class A, C-TICK, EN61000-3-2, EN61000-3-3 VARNING: Denna produkt kan ge upphov till radiostörningar i hemmet, vilket kan tvinga användaren till att vidtaga erforderliga åtgärder. Immunitet EN55024 Elsäkerhet...

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