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Appendix
Translations of safety messages

Class A device caution statement

CAUTION

This device is a Class A product. Operation of this equipment
in a residential area is likely to cause harmful interference, in
which case users will be required to take whatever measures
may be necessary to correct the interference at their own
expense.

CAUTION

ACHTUNG

Dies ist ein Gerät der Klasse A. Bei Einsatz des Geräts
in Wohngebieten kann es Störungen des Radio- und
Fernsehempfangs verursachen. In diesem Fall muss der
Benutzer alle notwendigen Maßnahmen ergreifen, die
möglicherweise nötig sind, um die Störungen auf eigene
Rechnung zu beheben.

CAUTION

PRECAUCIÓN

Este es un producto clase A. El uso de este equipo en áreas
residenciales puede causar interferencias nocivas, en cuyo
caso, se requerirá que los usuarios tomen cualquier medida
necesaria para corregir la interferencia por cuenta propia.

CAUTION

ATTENTION

Le périphérique est un produit de Classe A. Le fonctionnement
de cet équipement dans une zone résidentielle risque de causer
des interférences nuisibles, auquel cas l’utilisateur devra y
remédier à ses propres frais.

Nortel Secure Router 4134

Quick Start

NN47263-100

02.01

Standard

18 February 2008

Copyright © 2007, 2008 Nortel Networks

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Содержание Secure Router 4134

Страница 1: ...Nortel Secure Router 4134 Quick Start Release 10 1 Document Revision 02 01 www nortel com NN47263 100 323245 B ...

Страница 2: ...on copyrights and any other intellectual property rights contained in this document are the property of Nortel Networks Except as expressly authorized in writing by Nortel Networks the holder is granted no rights to use the information contained herein and this document shall not be published copied produced or reproduced modified translated compiled distributed displayed or transmitted in whole o...

Страница 3: ...statement Mexico only 11 Información NOM unicamente para México 11 Denan statement Japan Nippon only 12 National Environmental Statements of Compliance 12 RoHS Directive Compliance Statement 12 WEEE Directive Compliance Statement 13 Safety messages 13 Notices 13 Cautions and warnings for the Secure Router 4134 15 Foreign Exchange Station FXS Interface Modules 17 Foreign Exchange Office FXO Interfa...

Страница 4: ... 41 Installing a Medium Module 42 Installing a Large Module 42 Installing a Small Module in the Voice Carrier Medium Module 43 Connecting power cables 46 Connecting AC power cables 46 Connecting DC power 47 Powering up the router 52 Prerequisites 52 Verifying a successful installation 52 Configuring the Secure Router 4134 for remote access 55 Connecting a terminal for local access 55 Prerequisites...

Страница 5: ...5 Power cord warning statement 67 Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 6: ...6 Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 7: ... and found to comply with the limits for a Class A digital device pursuant to Part 15 of the Federal Communications Commission FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy If it is not installed and used in accordance w...

Страница 8: ...l apparatus Nortel Secure Router 4134 does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the Radio Interference Regulations of the Canadian Department of Communications Règlement sur le brouillage radioélectrique du ministère des Communications Cet appareil numérique le commutateur Nortel Secure Router 4134 respecte les limites de bruits radioélectriq...

Страница 9: ... the application of EN 55024 CISPR 24 EN 300386 statement The Nortel Secure Router 4134 complies with the requirements of EN 300386 V1 3 3 for emissions and for immunity for a Class A device intended for use in either Telecommunications centre or locations other than telecommunications centres given the performance criteria as specified by the manufacturer European Union and European Free Trade As...

Страница 10: ... Bureau of Standards Metrology and Inspection BSMI CNS 13438 and CNS14336 Class A MIC notice Republic of Korea only This device has been approved for use in Business applications only per the Class A requirements of the Republic of Korea Ministry of Information and Communications MIC This device may not be sold for use in a non business application Observe the Regulatory Marking label on the back ...

Страница 11: ...na NOM Exporter Nortel Networks 5400 Hellyer Ave San Jose CA 95138 USA Importer Nortel Networks de México S A de C V Avenida Insurgentes Sur 1605 Piso 30 Oficina Col San Jose Insurgentes Deleg Benito Juarez México D F 03900 Tel Fax 52 5 480 2100 52 5 480 2199 Input Nortel Secure Router 4134 PS SR4K 660W AC POE 100 240V 10A 5A 50 60 Hz PS SR4K 250W AC 100 240V 5A 3A 50 60 Hz PS SR4K 250W DC 43 72V ...

Страница 12: ...nts of Compliance The WEEE Directive 2002 96 EC and RoHS Restriction of Hazardous Substances Directive 2002 95 EC sets collection recycling and recovery targets for various categories of electrical products and their waste RoHS Directive Compliance Statement The Restriction on Hazardous Substances Directive RoHS 2002 95 EC which accompanies the WEEE Directive bans the use of heavy metals and bromi...

Страница 13: ...ument This section also contains precautionary notices that you must read for safe operation of the Nortel Secure Router 4134 Notices Notice paragraphs alert you about issues that require your attention The following paragraphs describe the types of notices used in this guide For translations of safety messages see Translations of safety messages page 63 ATTENTION An attention notice provides impo...

Страница 14: ...tage notices provide information about how to avoid a situation or condition that can cause serious personal injury or death from high voltage or electric shock DANGER GEFAHR Hinweise mit Vorsicht Hochspannung bieten Informationen dazu wie man Situationen oder Umstände verhindert die zu schweren Personenschäden oder Tod durch Hochspannung oder Stromschlag führen können DANGER Danger notices provid...

Страница 15: ...rotection Ensure that a fuse or circuit breaker no larger than 120 V AC 15 A U S 240 V AC 10 A international is used on the phase conductors For translations of this statement see Translations of safety messages page 63 WARNING WARNUNG Die Nutzung dieses Produkts setzt einen Überstromschutz am Gebäude voraus Stellen Sie sicher dass eine Sicherung oder ein Trennschalter mit höchstens 120 V Wechsels...

Страница 16: ... be aware of proper safety practices and the hazards involved with electrical circuits Use only power cords that have a grounding path Ensure the switch is properly grounded before powering on the unit DANGER GEFAHR Verletzungsrisiko durch Stromschlag Informieren Sie sich über entsprechende Sicherheitsmaßnah men und die mit Stromkreisen verbundenen Gefahren bevor Sie mit diesem Gerät arbeiten Verw...

Страница 17: ...ges page 63 CAUTION ACHTUNG Wenn Sie in kein Modul in diesem Steckplatz installieren stellen Sie sicher dass sich die Abdeckplatte aus Metall weiterhin über dem Steckplatz befindet Wenn die Metallplatte entfernt wird behindert dies den Luftstrom und eine angemessene Kühlung der Einheit Foreign Exchange Station FXS Interface Modules ATTENTION Ensure you use standard straight through RJ11 modular te...

Страница 18: ...odules have a ring signal generator that is a source of hazardous voltage Do not touch the RJ11 port conductors the conductors of a cable that is the exposed metal ends of a cable connector connected to the RJ11 port or the circuit board when the ringer is active an incoming call activates the ringer Personal safety and equipment protection Read this section to prevent injury and equipment damage ...

Страница 19: ...oy cable ties as required Do not exceed the bend radius recommended for the type of cable installed Fiber optic cables and connectors require special care Cover connectors with rubber safety plugs when they are not connected Before you install or replace fiber optic cables clean the connectors Do not exceed the bend radius that is recommended for fiber optic cable The acceptable bend radius for fi...

Страница 20: ...t of the product within the shipping container Antistatic material Antistatic material prevents electrical damage to equipment and therefore prevents the interruption of normal operations in an electronic system Place modules on an appropriate antistatic material when you replace hardware Use an ESD pad or antistatic packaging ATTENTION Some antistatic packaging is effective only on the inside of ...

Страница 21: ...ll Module Voice Carrier Medium Module Mediation Server Module for OCS Release 10 1 also introduces a new internal module the Packetized Voice Module PVM which provides support for voice functionality For detailed information about the modules available in Release 10 1 or for information about the installation of the PVM see Nortel Secure Router 4134 Installation Hardware Components NN47263 301 For...

Страница 22: ...22 New in this release Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 23: ...cure Router 4134 The Quick Start is intended for experienced installers Navigation Installing the Secure Router 4134 chassis and hardware components page 29 Configuring the Secure Router 4134 for remote access page 55 Translations of safety messages page 63 Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 24: ...24 Introduction Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 25: ...lation and initial configuration tasks This work flow shows you the sequence of tasks you perform to install the Secure Router 4134 and prepare the unit for system configuration To link to any task go to Secure Router 4134 installation and initial configuration navigation page 27 Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 26: ...tallation and initial configuration Figure 1 Secure Router 4134 installation and initial configuration tasks Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 27: ...n the chassis page 31 Installing the chassis page 34 Grounding the chassis page 36 Installing the interface modules page 39 Connecting power cables page 46 Powering up the router page 52 Verifying a successful installation page 52 Connecting a terminal for local access page 55 Establishing remote access page 56 Changing the default administrator password page 58 Nortel Secure Router 4134 Quick Sta...

Страница 28: ...28 Secure Router 4134 installation and initial configuration Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 29: ...ware Components NN47263 301 Unpacking and inspecting the Secure Router 4134 chassis Use the information in this section to verify you have received all accessories that ship with the Secure Router 4134 Procedure steps Step Action 1 Remove the shipping container 2 Place the chassis on antistatic material 3 Check all items for damage End ATTENTION If you detect any damage do not install the chassis ...

Страница 30: ...wever it must appear as a separate item on your order Terminal ground lug and two screws Connects the ground wire to the front panel of the chassis Screws 8 32 x 187 in pan head screws with external tooth washer 2 Software and documentation CD Contains the Secure Router 4134 software image file as well as the installation and configuration manuals Installing a power supply module The Secure Router...

Страница 31: ... loosen the two screws that secure the metal plate that covers the slot in which you want to install the power supply unit 2 Remove the cover plate 3 Insert the power supply module in the power supply slot 4 Push the power supply module gently but firmly to insert it fully into the internal connection port When the power supply is fully inserted the front of the power supply module is flush with t...

Страница 32: ...es Table 2 Mounting bracket installation options Position Description Position 1 with front panel facing operator Position 2 with front panel facing operator Position 3 with front panel facing operator Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 33: ...perator Position 2 with rear panel facing operator Position 3 with rear panel facing operator Prerequisites Ensure you have the rack mounting brackets and screws that shipped with the Secure Router 4134 Ensure you have a Phillips 2 screwdriver Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 34: ...Secure Router 4134 chassis in an equipment rack 2 minutes ATTENTION You must install the Secure Router 4134 in a restricted access location You must limit access to the Secure Router 4134 to authorized service personnel only ATTENTION Nortel recommends that you install the chassis including the power supplies and fan tray in the equipment rack before you install the ground lug and the optional ext...

Страница 35: ...ens Nur geschultes Personal kann dieses Produkt installieren CAUTION Risk of equipment damage To prevent damage from electrostatic discharge always wear an antistatic wrist strap connected to an ESD jack CAUTION ACHTUNG Risiko eines Geräteschadens Um Schäden durch elektrostatische Entladung zu verhindern tragen Sie bei der Instandhaltung dieses Produkts immer ein antistatisches Band am Handgelenk ...

Страница 36: ...hassis is level and align the screw holes on the chassis brackets with those on the equipment rack 3 Insert the mounting screws Space the screws evenly to hold the chassis in the frame End Grounding the chassis You must properly ground the Secure Router 4134 before you place it in service You can connect your ground wire to the grounding strip of the equipment rack but you must also ensure that th...

Страница 37: ...g WARNING Disconnect the Secure Router 4134 from all power sources AC and DC before servicing WARNING La prudence Proteger contre le risque de choc electrique debrancher les cordes d alimentation et DC telegraphiant avant d entretenir WARNING WARNUNG Trennen Sie den Secure Router 4134 vor der Instandhaltung von allen Stromquellen Gleichstrom und Wechselstrom ATTENTION You must connect grounding wi...

Страница 38: ...lectric Code ANSI NFPA 70 Procedure steps Step Action 1 Insert available ground wire in the ground lug provided 2 Crimp the barrel of the terminal lug to secure the ground wire 3 Remove the sticker label affixed on the front panel of the unit in the upper right corner 4 Secure the ground lug with two 8 32 screws and washers provided ensuring the barrel faces down as shown in the following figure E...

Страница 39: ...arge interface modules The chassis ships with four small slots and three medium slots You can adapt two of the medium slots to accommodate a large module which spans two medium slots You must separately order the modules The following figure shows the default slot configuration and indicates how slots are numbered on the Secure Router 4134 Figure 2 Slot numbering on the Secure Router 4134 A slot n...

Страница 40: ...e CAUTION ESD To prevent damage from electrostatic discharge always wear an antistatic wrist strap connected to an ESD jack when you work with interface modules The router does not have an ESD jack connect the antistatic wrist strap to an ESD jack at your site CAUTION ACHTUNG ESD Um Schäden durch elektrostatische Entladung zu verhindern tragen Sie bei der Arbeit mit Interfacemodulen immer ein anti...

Страница 41: ...E1 and ISDN BRI Small Modules if they are configured for voice traffic only port 2 1 is functional This limitation does not apply to FXS or FXO voice modules If you are working with 2 or 4 port FXS or FXO Small Modules ensure you read the safety messages related to the FXS and FXO interface modules See Foreign Exchange Station FXS Interface Modules page 17 and Foreign Exchange Office FXO Interface...

Страница 42: ... remove the slot cover plate from the slot in which you will install the module 2 Align the module with the slot and the slot module guides 3 Slide the module into the chassis until its connector panel touches the chassis back panel 4 Push gently but firmly to seat the connector on the interface module in the chassis back panel 5 Ensure the lever on the module is flush with the front panel of the ...

Страница 43: ...ips screwdriver to tighten the two captive screws to secure the module to the chassis End Installing a Small Module in the Voice Carrier Medium Module Ensure you securely install the Voice Carrier Medium Module in the Secure Router 4134 chassis before you install Small Modules in the Voice Carrier Medium Module For instructions to install the Voice Carrier Medium Module in the chassis see Installi...

Страница 44: ...revent damage from electrostatic discharge always wear an antistatic wrist strap connected to an ESD jack when you work with interface modules The router does not have an ESD jack connect the antistatic wrist strap to an ESD jack at your site CAUTION ACHTUNG ESD Um Schäden durch elektrostatische Entladung zu verhindern tragen Sie bei der Arbeit mit Interfacemodulen immer ein antistatisches Band am...

Страница 45: ...et Wenn die Metallplatte entfernt wird behindert dies den Luftstrom und eine angemessene Kühlung der Einheit Prerequisites Ensure you have a Phillips 2 screwdriver Ensure you have securely installed the Voice Carrier Medium Module in the Secure Router 4134 chassis Procedure steps Step Action 1 Use a Phillips screwdriver to remove the slot cover plate from the slot in which you will install the Sma...

Страница 46: ...lways wear an ESD preventative wrist strap when you connect cables or perform maintenance on a Secure Router 4134 Ensure that the wrist strap makes contact with your skin CAUTION ACHTUNG ESD Um Schäden durch elektrostatische Entladung zu verhindern tragen Sie bei der Instandhaltung dieses Produkts immer ein antistatisches Band am Handgelenk das mit einer ESD Buchse verbunden ist Stellen Sie sicher...

Страница 47: ...ower outlet CAUTION Ensure you use an appropriately rated AC power cord only Do not use an extension cord CAUTION ACHTUNG Stellen Sie sicher dass Sie nur ein angemessen bewertetes Netzkabel für Gleichstrom verwenden Verwenden Sie kein Verlängerungskabel End Connecting DC power The following figure shows the location of the terminal block on the DC power supply module Nortel Secure Router 4134 Quic...

Страница 48: ...th your skin CAUTION ACHTUNG ESD Um Schäden durch elektrostatische Entladung zu verhindern tragen Sie bei der Instandhaltung dieses Produkts immer ein antistatisches Band am Handgelenk das mit einer ESD Buchse verbunden ist Stellen Sie sicher dass das Band am Handgelenk Kontakt zur Haut hat CAUTION As a general safety precaution ensure you provide DC power through either a fuse or DC circuit break...

Страница 49: ...rom copper wires when you install the terminals lugs Ensure that no wires are exposed DANGER GEFAHR Stellen Sie sicher dass Sie das richtige Maß an Isolierung von den Kupferkabeln entfernen wenn Sie die Anschlüsse Klemmen installieren Stellen Sie sicher dass keine Kabel freiliegen Procedure steps Step Action 1 Switch off the DC power source DANGER Before you continue with this procedure ensure tha...

Страница 50: ...ponents 3 Remove the terminal cover to expose the terminal block 4 Insert the 48 V lead behind the 48 V terminal as shown in the following figure Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 51: ...e terminal cover over the terminal block 9 Replace the terminal cover screws The maximum torque for tightening terminal cover screws is 4 in lb 0 45 N m 10 Use a cable tie to bind the wires Use at least four cable ties spaced at four inch intervals Place the first tie within six inches of the terminal block Position the bound wires to prevent accidental contact when passing by the Secure Router 41...

Страница 52: ... through the vents of the chassis The fan tray red fail LED can illuminate briefly while the fans power to operational speed End If status LEDs do not illuminate green see Nortel Secure Router 4134 Troubleshooting NN47263 700 Verifying a successful installation Use the information in this section to verify that you have successfully installed the Secure Router 4134 and its components If any LED be...

Страница 53: ...e Secure Router 4134 for specific network line conditions Generally the status LEDs on interface modules illuminate yellow initially and then green The link status LEDs illuminate green but turn off if there is no link Ports GE 0 1 GE 0 2 GE 0 3 and GE 0 4 LEDs illuminate if a link is present and established As a general rule an LED illuminates green for items that you installed If the SM and MM L...

Страница 54: ...54 Installing the Secure Router 4134 chassis and hardware components Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 55: ...the location of the console port on the rear panel of the Secure Router 4134 Figure 6 Connecting a terminal to the Secure Router 4134 console port To access the command line interface CLI using the rear panel console port connect a terminal or a workstation that runs terminal emulation software to the Secure Router 4134 using the console cable that ships with the unit Nortel Secure Router 4134 Qui...

Страница 56: ...le port on the rear panel of the Secure Router 4134 3 Connect the female DB 9 to RJ 45 adapter to the opposite end of the console cable if necessary 4 Insert the RJ 45 or female DB 9 connector dependent on your equipment in a terminal or PC 5 Power up the Secure Router 4134 End Establishing remote access The first time you log on to the Secure Router 4134 CLI you perform initial configuration such...

Страница 57: ...user name and password login admin password setup 2 To access configuration mode enter configure terminal 3 To select the management port for remote access enter interface ethernet 0 0 4 To configure the management port for remote access enter ip address ipaddr netmask 5 To configure the speed and mode of the port enter speed 10 100 1000 auto mode full_duplex half_ duplex 6 To exit interface confi...

Страница 58: ... Nortel Secure Router 4134 Commissioning NN47263 302 To configure features on your Secure Router 4134 see Nortel Secure Router 4134 Documentation Roadmap NN47263 103 for a list of Nortel Secure Router 4134 documents and information about the Release 10 1 features Changing the default administrator password Nortel recommends that you change the default administrator password for security reasons Pr...

Страница 59: ...or the new password 4 Enter your new password The Secure Router 4134 prompts you to verify the new password 5 Re enter your new password A message appears that confirms that the password is changed End Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 60: ...60 Configuring the Secure Router 4134 for remote access Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 61: ...rance requirements for the Secure Router 4134 see Nortel Secure Router 4134 Installation Chassis NN47263 300 WARNING Do not install the Secure Router 4134 near a standing or running water source or in a high humidity environment WARNING Warnung Installieren Sie den Secure Router 4134 nicht in der Nähe von stehenden oder fließenden Gewässern oder in einem Gebiet mit sehr hoher Feuchtigkeit Table 4 ...

Страница 62: ... Storage humidity 0 to 95 R H noncondensing Vibration Packaging and shipping ISTA 2A Office Vibration GR 63 CORE Issue 3 Section 4 4 2 and 5 4 2 Acoustic noise GR 63 CORE Issue 3 section 4 6 and 5 6 Nortel Secure Router 4134 Quick Start NN47263 100 02 01 Standard 18 February 2008 Copyright 2007 2008 Nortel Networks ...

Страница 63: ... alle notwendigen Maßnahmen ergreifen die möglicherweise nötig sind um die Störungen auf eigene Rechnung zu beheben CAUTION PRECAUCIÓN Este es un producto clase A El uso de este equipo en áreas residenciales puede causar interferencias nocivas en cuyo caso se requerirá que los usuarios tomen cualquier medida necesaria para corregir la interferencia por cuenta propia CAUTION ATTENTION Le périphériq...

Страница 64: ...o agli utenti verrà richiesto di adottare tutte le misure necessarie per porre rimedio alle interferenze a proprie spese Qualified service personnel warning statement WARNING Only qualified service personnel must perform installation Read and follow all warning notices and instructions marked on the product or included in the documentation WARNING WARNUNG Nur qualifiziertes Wartungspersonal darf d...

Страница 65: ...oducto o incluidas en la documentación WARNING AVISO Apenas profissionais de atendimento técnico qualificados devem realizar a instalação Leia e siga todos os avisos e instruções destacados no produto ou que façam parte da documentação WARNING AVVISO L installazione deve essere eseguita esclusivamente da personale qualificato Leggere e seguire tutti gli avvisi e le istruzioni presenti sul prodotto...

Страница 66: ...0 A internationaux sur les conducteurs de phase WARNING AVISO Este produto depende de o prédio possuir em sua instalação elétrica a proteção contra corrente excessiva Certifique se de que sejam usados um fusível ou interruptor que não ultrapassem os 120 V AC 15 A EUA 240 V AC 10 A em outros países nos condutores de fase WARNING AVVISO Questo prodotto fa affidamento sull installazione all interno d...

Страница 67: ... la ranura Quitar la placa de cubierta impide la circulación de aire y el enfriamiento adecuado de la unidad CAUTION CUIDADO Caso você não vá instalar um módulo no slot mantenha a tampa de metal no lugar A remoção da tampa impede correntes de ar e o resfriamento adequado à unidade CAUTION ATTENZIONE Se nello slot non viene installato un modulo accertarsi di mantenere la copertura in metallo posizi...

Страница 68: ...sona que tocara el interruptor estaría en peligro de recibir una descarga eléctrica La falta de una puesta a tierra en el interruptor podría causar emisiones excesivas DANGER PERIGO Use apenas cabos de alimentação que tenham ligação à terra Sem um aterramento adequado uma pessoa que toque no switch corre o risco de receber um choque elétrico A ausência de aterramento para o switch pode resultar em...

Страница 69: ......

Страница 70: ...ent is protected by copyright laws and international treaties All information copyrights and any other intellectual property rights contained in this document are the property of Nortel Networks Except as expressly authorized in writing by Nortel Networks the holder is granted no rights to use the information contained herein and this document shall not be published copied produced or reproduced m...

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