Cisco Internet Router AC and DC Power Supply Replacement Instructions
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1 Cisco Internet Router AC and DC Power Supply Replacement Instructions Customer Order Number: DOC = Product Numbers: AC-RPS=, DC-RPS= This publication contains instructions to remove and replace a dual AC or DC power supply that is automatically equipped in the Cisco Internet Router. This publication also includes instructions for verifying the operation of the system after you replace the AC or DC-input power supply. Refer to Cisco Internet Router Installation and Configuration Guide for more information about this product line. This publication uses the following terminology to refer to the Cisco Internet Router and power supply: Product Name Cisco Internet Router AC-input power supply DC-input power supply Reference router AC power supply DC power supply Contents Overview, page 2 Tools and Equipment Required, page 3 Safety, page 4 Safety Warnings, page 4 Disconnect Device Warnings, page 5 Corporate Headquarters: Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA USA Copyright 2003 Cisco Systems, Inc. All rights reserved.
2 Overview Electrostatic Discharge, page 5 Removing an AC or DC Power Supply, page 6 Installing an AC or DC Dual Power Supply, page 12 Verifying AC or DC Dual Power Supply Functionality, page 16 Obtaining Technical Assistance, page 19 Contacting Cisco, page 19 Technical Assistance Center, page 19 Contacting TAC by Using the Cisco TAC Website, page 19 Contacting TAC by Telephone, page 20 World Wide Web, page 20 Related Documentation, page 20 Obtaining Documentation, page 21 Documentation CD-ROM, page 21 Ordering Documentation, page 21 Documentation Feedback, page 21 Electromagnetic Compliance, page 22 Translated Safety Warnings, page 25 Power Supply Specifications, page 27 Overview The AC-powered Cisco Internet Router is equipped with a dual 300-watt AC power supply and the DC-powered Cisco Internet Router is equipped a dual 300-watt DC power supply. Each 300-watt AC or DC power supply includes two terminal blocks for power redundancy and is inserted into the router chassis from the top of the unit. (See Figure 1.) Each AC or DC power supply contains the following: ON/OFF switch internal power supply fan 3 status LEDs on each power terminal block You must power down your router before maintaining any field replaceable unit (FRU) module. Note The router must be used with the power supply-type that originally shipped with the router from the factory and within in its marked electrical ratings. AC must be exchanged for AC; DC must be exchanged for DC. Cisco will not support this product if the power supply is exchanged for a non-factory power supply. 2 Overview
3 RESET DON NOT REMOVE OR INSERT CABLES WITH THE POWER ON RESET INPUT /60Hz 2-5A DC WITH THE POWER ON DC INPUT /60Hz 2-5A Tools and Equipment Required Figure 1 AC (top) and DC (bottom) Cisco Internet Routers ACTIVE CARRIER RX PKT WRAP PASS THRU CONSOLE AUX OVERTEMP SYSTEM STAUS POWER LINK/ACTIVE (G) 100 MBPS POWER ACTIVE CARRIER RX PKT WRAP PASS THRU CONSOLE AUX OVERTEMP SYSTEM STAUS POWER IN OK POWER LINK/ACTIVE (G) 100 MBPS DON NOT REMOVE OR INSERT CABLES IN OK Tools and Equipment Required You will need the following tools and equipment to install and remove the AC or DC power supply: ESD-preventive wrist strap Number 1 Phillips screwdriver Antistatic bag (optional) Replacement AC or DC dual power supply (See Figure 2 and Figure 3.) 1/8-inch flat-blade screwdriver Figure 2 Cisco Internet Router AC Power Supply Tools and Equipment Required 3
4 Safety Figure 3 Cisco Internet Router DC Power Supply IN OK DC IN OK DC Safety This publication contains important safety information that you must read and understand before attempting to install, remove, or modify any hardware in your router. For more safety information, see the Electromagnetic Compliance section on page 22 and the Translated Safety Warnings section on page 25. For information about regulatory compliance and safety, see the Regulatory Compliance and Safety Information for the Cisco Internet Router publication that shipped with your router. Please review the safety guidelines in the following sections to avoid injuring yourself or damaging the equipment: Safety Warnings, page 4 Disconnect Device Warnings, page 5 Safety Warnings Before replacing the power supply, note the following safety warnings: Caution This router is equipped with a redundant power supply. Ensure both power supply connections are disconnected before beginning any procedure. Warning Read the installation instructions before you connect the system to its power source. Warning Before working on a system that has an on/off switch, turn OFF the power and unplug the power cord. Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. 4 Safety
5 Electrostatic Discharge For more safety information about your Cisco Internet Router, refer to the Regulatory Compliance and Safety Information for the Cisco Internet Router guide that shipped with your router. Disconnect Device Warnings The Cisco Internet Router power source must be disconnected before performing any maintenance task on the hardware modules. Please refer to the safety warnings in the Powering Down the Router section of Chapter 5, Maintaining the Cisco Internet Router, in the Cisco Internet Router Installation and Configuration Guide. Electrostatic Discharge Electrostatic discharge (ESD) can damage circuit boards and other electronic equipment if they are handled improperly. Cisco recommends using an ESD-preventive strap when you handle a router or one of its components. Electromagnetic interference (EMI) shielding is an integral component of the router. When handling router components, observe the following guidelines to prevent ESD damage: Always use an ESD-preventive wrist strap and ensure that the strap makes adequate contact with your skin. Attach an ESD-preventive wrist strap to your wrist and to the chassis; or to a bare metal surface. (See Figure 4.) The ESD-preventive wrist strap protects equipment from ESD voltages on the body only; ESD voltages on clothing can still cause damage to electronic components. Caution For safety, periodically check the resistance value of the ESD-preventive wrist strap. The resistance measurement should be between 1 and 10 megohms. Preventing Electrostatic Discharge Electrostatic discharge (ESD) damage can cause complete or intermittent equipment failures. Cisco recommends using an ESD-preventive strap when you handle a router or one of its components. Electromagnetic interference (EMI) shielding is an integral component of the router. Following are guidelines for preventing ESD damage: Always use an ESD-preventive wrist or ankle strap and ensure that it makes good skin contact. Connect the equipment end of the connection cord to bare metal on the router chassis. (See Figure 4.) Disconnect Device Warnings 5
6 RESET WITH THE POWER ON INPUT /60Hz 2-5A Removing an AC or DC Power Supply Figure 4 Attaching an ESD-Preventive strap ACTIVE CARRIER RX PKT WRAP PASS THRU CONSOLE AUX OVERTEMP SYSTEM STAUS POWER POWER LINK/ACTIVE (G) 100 MBPS DON NOT REMOVE OR INSERT CABLES Avoid contact between the component and clothing. The wrist strap protects the component only from ESD voltages on the body; ESD voltages on clothing can still cause damage. Removing an AC or DC Power Supply Perform the following steps to ensure safe removal of the power supply: Step 1 If installed, remove the cable-management cover in order to power down the router. (Refer to Chapter 5, Maintaining the Cisco Internet Router, in the Cisco Internet Router Installation and Configuration Guide.) Step 2 Power down your router as described in Chapter 5, Maintaining the Cisco Internet Router, in the Cisco Internet Router Installation and Configuration Guide. Warning Before performing any maintenance on this router or its components, unplug the power cord on AC units. Warning Step 3 Step 4 Before performing any of the following procedures, ensure that power is removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF position. Attach an ESD-preventive wrist strap to your wrist and to the router; or to a bare metal surface. (See Preventing Electrostatic Discharge, page 5.) Loosen the three locking screws for the negative, positive, and ground connectors on the DC power supply terminal block using a 1/8-inch flat-blade screwdriver. (See Figure 5.) a. Remove the -48 VDC wire (black wire) from the terminal block negative connector (-). b. Remove the +48 VDC wire (white wire) from the terminal block positive connector (+). c. Remove the safety ground (green wire) from the terminal block ground connector. 6 Removing an AC or DC Power Supply
7 DON NOT REMOVE OR INSERT CABLES WITH THE POWER ON INPUT /60Hz 2-5A Removing an AC or DC Power Supply Figure 5 Removing DC Power Leads from the Terminal Block a b c Negative Positive Ground Positive Ground Ground a Negative lead disconnected c Ground lead disconnected b Positive lead disconnected Step 5 Remove all interface cables from the front panel of the router. (See Figure 6.) Figure 6 Removing Interface Cables ACTIVE CARRIER RX PKT WRAP PASS THRU CONSOLE AUX RESET OVERTEMP SYSTEM STAUS POWER LINK/ACTIVE (G) 100 MBPS POWER Step 6 Place the router so that the back panel is in front of you. (See Figure 7.) Figure 7 Back panel on the Cisco Internet Router Removing an AC or DC Power Supply 7
8 Removing an AC or DC Power Supply Step 7 Step 8 Unscrew the four screws that secure the chassis cover to the router using a Number 1 Phillips screwdriver and remove the router chassis cover. (Refer to Chapter 5, Maintaining the Cisco Internet Router, in the Cisco Internet Router Installation and Configuration Guide.) Using the Number 1 Phillips screwdriver, remove the three mounting screws that secure the power supply to the router. (See Figure 8 for the AC power supply and Figure 9 for the DC power supply.) Figure 8 AC Power Supply Mounting Screws 2 AC AC power connection 2 Power supply mounting screws 8 Removing an AC or DC Power Supply
9 Removing an AC or DC Power Supply Figure 9 DC Power Supply Mounting Screws 2 IN OK DC IN OK DC DC power connection 2 Power supply mounting screws Step 9 Disconnect the following power connectors from the main board: (See Figure 10.) 1. 4-jack harness pin connector. 3. Two 2-pin +/-12V connector. Removing an AC or DC Power Supply 9
10 Removing an AC or DC Power Supply Figure 10 Disconnecting the Power Connectors from the Main Board a c b a 4-jack harness c Two 2-pin +/-12V connector b 6-pin connector Step 10 Lift the air baffle separator out of the router. (See Figure 11.) 10 Removing an AC or DC Power Supply
11 Removing an AC or DC Power Supply Figure 11 Removing the Air Baffle Separator Step 11 Place the 4-jack harness behind the power supply before lifting it out. Note Step 12 Avoid disturbing the fan assembly by placing the 4-jack harness behind the power supply after it is removed from the main board. Do this before listing the power supply from the router chassis. Slide the power supply away from the front panel to disengage the power supply hook from the router hook and remove the power supply from the router. (See Figure 12.) Removing an AC or DC Power Supply 11
12 Installing an AC or DC Dual Power Supply Figure 12 Lifting the Power Supply Out of the Router Step 13 After removing the power supply, replace the cover securely until you are ready to install a new power supply. This will help prevent damage to your main board and other components while router is out of service. (Refer to Chapter 5, Maintaining the Cisco Internet Router, in the Cisco Internet Router Installation and Configuration Guide for instructions on removing the router chassis cover.) Installing an AC or DC Dual Power Supply Caution Only install the same type of AC or DC power supply that was originally installed in the Cisco Internet Router that was shipped from Cisco. Installing a different type of power supply (AC or DC) than was originally installed in the router is not supported. To install a AC or DC power supply, perform the following steps: Warning Read the following installation instructions before you connect the system to its power source. Step 1 Step 2 Attach an ESD-preventive wrist strap to your wrist and to the router; or to a bare metal surface. (See Preventing Electrostatic Discharge, page 5.) Place the power supply into the router and slide it toward the front panel. (See Figure 13.) You will be able to feel the hook engage. 12 Installing an AC or DC Dual Power Supply
13 Installing an AC or DC Dual Power Supply Figure 13 Inserting the Power Supply in the Router Step 3 Replace the air baffle separator in the router. (See Figure 14.) Figure 14 Installing the Air Baffle Separator Installing an AC or DC Dual Power Supply 13
14 Installing an AC or DC Dual Power Supply Step 4 Reconnect the following power connectors to the main board: (See Figure 15.) a. Two 2-pin +/-12V connectors b. 6-pin connector c. 4-jack harness Figure 15 Installing 2 2-pin 12V connectors, 6-pin connector, 4-jack harness c a b a Two 2-pin +/-12V connector c 4-jack harness b 6-pin connector Caution Observe the proper keying of the DC output connector to the main board connector. Force on the connector can damage router. Step 5 Turn the router so that you face the rear panel, and then reinstall the three mounting screws. (See Figure 8 for the AC power supply and Figure 9 for DC power supply.) Step 6 Replace the router cover as described in Chapter 5, Maintaining the Cisco Internet Router, in the Cisco Internet Router Installation and Configuration Guide for instructions on removing the router chassis cover. 14 Installing an AC or DC Dual Power Supply
15 Installing an AC or DC Dual Power Supply Step 7 Connect the AC power supply by connecting the AC power cord. (See Figure 17.) Connect the DC power supply by performing the following: a. Insert the safety ground (green wire) into the terminal block ground connector and tighten the locking screw. Ensure that no bare wire is exposed. (See Figure 16.) b. Insert the +48 VDC wire (white wire) into the terminal block positive connector (+) and tighten the locking screw. Ensure that no bare wire is exposed. (See Figure 16.) c. Insert the 48 VDC wire (black wire) into the terminal block negative connector ( ) and tighten the locking screw. Ensure that no bare wire is exposed. (See Figure 16.) Note Verify that the power supply leads are secured with a cable tie on the DC power supply. Figure 16 Connecting Terminal Block to Power Leads a b c Ground Positive Ground Negative Positive Ground a Ground lead connected c Negative lead connected b Positive lead connected Figure 17 Attaching the AC Power Cord to the Router Warning After wiring the DC power supply, remove the tape from the circuit breaker switch handle and reinstate power by moving the handle of the circuit breaker to the ON position. Installing an AC or DC Dual Power Supply 15
16 RESET DON NOT REMOVE OR INSERT CABLES WITH THE POWER ON INPUT /60Hz 2-5A Verifying AC or DC Dual Power Supply Functionality Step 8 Connect the router to the main power source. (See Figure 18.) Figure 18 Connect the Router to the Power Source ACTIVE CARRIER RX PKT WRAP PASS THRU CONSOLE AUX OVERTEMP SYSTEM STAUS POWER LINK/ACTIVE (G) 100 MBPS POWER Step 9 Power up the router as described in Chapter 5, Maintaining the Cisco Internet Router, in the Cisco Internet Router Installation and Configuration Guide. Verifying AC or DC Dual Power Supply Functionality The internal power supply fan should power on when power is restored to the router. Six green LEDs on the front of the power supply should be active. If one LED is not actively lit, consult the appropriate redundant power supply LED status messages in Table 1 for AC and Table 2 for DC. (See Figure 20 for AC and Figure 20 for DC.) 16 Verifying AC or DC Dual Power Supply Functionality
17 Verifying AC or DC Dual Power Supply Functionality Figure 19 AC Power Supply LEDs The AC power supply LEDS provide the following status information: Table 1 AC Power Supply Status LEDs LED Activity Description Solid Green The AC input voltages to both individual power supplies are within acceptable limits. Off Power is OFF. Solid Green Both individual Power Supplies are functioning normally. Off Power is OFF. (Over Temp Failure) Amber/Red As a lamp test at power up, this LED shall come up amber/red for approximately half a second. OR The power system overheats or one of the internal fans fails. Solid Green The temperature of the corresponding individual power supply is within acceptable limits. (That is, the temperature is normal.) Off Power is OFF. Verifying AC or DC Dual Power Supply Functionality 17
18 Verifying AC or DC Dual Power Supply Functionality Figure 20 DC Power Supply LEDs IN OK DC IN OK DC IN OK DC The DC power supply status LEDs provide the following status information: Table 2 DC Power Supply Status LEDs LED Activity Description IN OK Green The DC input voltages to both individual power supplies are within acceptable limits. Off Power is OFF. DC Green Both individual power supplies are functioning normally. Off Power is OFF. (Over Temp Failure) Amber/Red As a lamp test at power up, this LED shall come up amber/red for approximately half a second. OR The power system overheats or one of the internal fans fails. Green The temperature of the corresponding individual power supply is within acceptable limits. (That is, the temperature is normal.) Off Power is OFF. 18 Verifying AC or DC Dual Power Supply Functionality
19 Obtaining Technical Assistance Obtaining Technical Assistance Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com registered users, additional troubleshooting tools are available from the TAC website. Technical assistance information is presented in the following sections: Contacting Cisco, page 19 Technical Assistance Center, page 19 Contacting Cisco Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools. For Cisco.com registered users, additional troubleshooting tools are available from the TAC website. Cisco.com Cisco.com is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information and resources at anytime, from anywhere in the world. This highly integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco. Cisco.com provides a broad range of features and services to help customers and partners streamline business processes and improve productivity. Through Cisco.com, you can find information about Cisco and our networking solutions, services, and programs. In addition, you can resolve technical issues with online technical support, download and test software packages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available. Customers and partners can self-register on Cisco.com to obtain additional personalized information and services. Registered users can order products, check on the status of an order, access technical support, and view benefits specific to their relationships with Cisco. To access Cisco.com, go to the following website: Technical Assistance Center The Cisco TAC website is available to all customers who need technical assistance with a Cisco product or technology that is under warranty or covered by a maintenance contract. Contacting TAC by Using the Cisco TAC Website If you have a priority level 3 (P3) or priority level 4 (P4) problem, contact TAC by going to the TAC website: P3 and P4 level problems are defined as follows: P3 Your network performance is degraded. Network functionality is noticeably impaired, but most business operations continue. Obtaining Technical Assistance 19
20 Related Documentation Contacting TAC by Telephone P4 You need information or assistance on Cisco product capabilities, product installation, or basic product configuration. In each of the above cases, use the Cisco TAC website to quickly find answers to your questions. To register for Cisco.com, go to the following website: If you cannot resolve your technical issue by using the TAC online resources, Cisco.com registered users can open a case online by using the TAC Case Open tool at the following website: If you have a priority level 1(P1) or priority level 2 (P2) problem, contact TAC by telephone and immediately open a case. To obtain a directory of toll-free numbers for your country, go to the following website: P1 and P2 level problems are defined as follows: P1 Your production network is down, causing a critical impact to business operations if service is not restored quickly. No workaround is available. P2 Your production network is severely degraded, affecting significant aspects of your business operations. No workaround is available. World Wide Web You can access the most current Cisco documentation on the World Wide Web at the following sites: Related Documentation The following section provides some reference material out of the Cisco.com library that may be useful for configuring and maintaining the Cisco Internet Router: Cisco Internet Router Installation and Configuration Guide Regulatory Compliance and Safety Information for the Cisco Internet Router Cisco IOS Software Configuration for the Cisco Internet Router Cisco IOS Software Release 12.0SP Release Notes for Cisco IOS Release 12.0(19)SP or later release of Cisco IOS 12.0SP Cisco IOS Release 12.0 Command Reference 20 World Wide Web
21 Obtaining Documentation Obtaining Documentation The following sections provide sources for obtaining documentation from Cisco Systems. Access to documentation is presented in the following sections: Documentation CD-ROM, page 21 Ordering Documentation, page 21 Documentation Feedback, page 21 Documentation CD-ROM Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM is updated monthly and might be more current than printed documentation. The CD-ROM package is available as a single unit or as an annual subscription. Ordering Documentation Cisco documentation is available in the following ways: Registered Cisco Direct Customers Can order Cisco Product documentation from the Networking Products MarketPlace: Registered Cisco.com users Can order the Documentation CD-ROM through the online Subscription Store: Nonregistered Cisco.com users Can order documentation through a local account representative by calling Cisco: North America NETS(6387) Documentation Feedback If you are reading Cisco product documentation on the World Wide Web, you can submit technical comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco. You can your comments to bug-doc@cisco.com. To submit your comments by mail, use the response card behind the front cover of your document, or write to the following address: Attn. Document Resource Connection Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA We appreciate your comments. Obtaining Documentation 21
22 Electromagnetic Compliance Electromagnetic Compliance Safety compliance information is presented in the following sections: Electromagnetic Compatibility Regulatory Statements, page 22 Site Wiring Distance and Interference Guidelines, page 24 Electromagnetic Compatibility Regulatory Statements FCC Class A Compliance CISPR 22 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. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense. Modifying the equipment without Cisco s authorization may result in the equipment no longer complying with FCC requirements for Class A digital devices. In that event, your right to use the equipment may be limited by FCC regulation and you may be required to correct any interference to radio or television communication at your own expense. You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures: Turn the television or radio antenna until the interference stops. Move the equipment to one side or the other of the television or radio. Move the equipment farther away from the television or radio. Plug the equipment into an outlet that is on a different circuit from the television or radio. (In other words, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.) Warning This is a class A product. In a domestic environment, this product may cause radio interference, in which case, the user may be required to take adequate measures. Note For CISPR 22 class B, the use of shielded (i.e. screened) CAT5 or equivalent Ethernet cable is required. Note This apparatus complies with EN55022 class B conducted emissions requirements on AC main with unshielded or shielded CAT5 Ethernet cabling (i.e. does not require the use of shielded Ethernet cable to meet this requirement.) 22 Electromagnetic Compliance
23 Electromagnetic Compliance Canada English Statement of Compliance This class A digital apparatus complies with Canadian ICES-003. French Statement of Compliance Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada. Europe (EU) This apparatus complies with EN55022 Class A and EN55024 standards when used as ITE/TTE equipment, and EN (EN55022 class B with shielded CAT5 Ethernet cable, non-central office equipment) for Telecommunications Network Equipment (TNE). Hungarian Class A Warning Taiwan Class A Warning Figyelmeztetés a felhasználói kézikönyv számára: Ez a berendezés A osztályú termék, felhasználására és üzembe helyezésére a magyar EMC A osztályú követelményeknek (MSZ EN 55022) megfelelõen kerülhet sor, illetve ezen A osztályú berendezések csak megfelelõ kereskedelmi forrásból származhatnak, amelyek biztosítják a megfelelõ speciális üzembe helyezési körülményeket és biztonságos üzemelési távolságok alkalmazását. This equipment is a class A product and should be used and installed properly according to the Hungarian EMC Class A requirements (MSZEN55022). The Class A equipment are derived for typical commercial establishments for which special conditions of installation and protection distance are used. This is a class A product. In a domestic environment this product may cause radio interference in which case you may be required to take adequate measures. Note Bureau of Standards, Metrology and Inspection (BSMI) product approval license number is on the product label outside the system enclosure. Japan VCCI Class A Electromagnetic Compatibility Regulatory Statements 23
24 Electromagnetic Compliance This is a Class A product based on the standard of the Voluntary Control Council for Interference by Information Technology Equipment (VCCI). If this equipment is used in a domestic environment, radio disturbance may arise. When such trouble occurs, the user may be required to take corrective actions. Korean Class A Warning Class A device. This device is registered for EMC requirements for industrial use. The seller or buyer should be aware of this. If this type was sold or purchased by mistake, it should be replaced with a residential-use type. Site Wiring Distance and Interference Guidelines Electromagnetic Interference This section offers site wiring guidelines for setting up the site plant wiring and cabling. When planning the location of the new system, consider the following: Electromagnetic Interference Distance Limitations for Signaling and Unshielded Conductors Electromagnetic interference can occur between the field and the signals on the wires when the wires are run for any significant distance. This fact has two implications for the construction of plant wiring: Poor wiring practice can result in radio interference emanating from the plant wiring. Strong EMI, especially when it is caused by lightning or radio transmitters, can destroy and/or cause interference with the signal drivers and receivers in the Cisco Internet Router, and can create an electrical hazard by conducting power surges through lines and into equipment. Note To predict and remedy strong EMI, consult experts in radio frequency interference (RFI). A good quality twisted pair cable or shielded twisted pair cable helps limit radiation and noise induced into the cable minimizing, Potential for radio interference. Potential for interference with the data transmission. Distance Limitations for Signaling and Unshielded Conductors Give special consideration to the effect of a lightning strike in the site vicinity if wires exceed recommended distances, or if wires pass between buildings. The electromagnetic pulse (EMP) caused by lightning or other high-energy phenomena can easily couple enough energy into unshielded conductors to destroy electronic devices. 24 Site Wiring Distance and Interference Guidelines
25 Translated Safety Warnings Provide a properly grounded and shielded environment. Consider electrical surge suppression issues by addressing the following items: Potential surge sources Distance Caution Splicing can degrade cable performance. Translated Safety Warnings Safety warnings appear throughout this publication in procedures that, if performed incorrectly, may harm you. A warning symbol precedes each warning statement. The following paragraph is an example of a safety warning. It identifies the warning symbol and associates it with a bodily injury hazard. The remaining paragraphs in this section are translations of the initial safety warning. Note For a complete list of translated safety warnings, read the Regulatory Compliance and Safety Information for the Cisco Internet Router document that accompanies your Cisco Internet Router. We recommend that you read and understand the safety warnings and guidelines before installing, configuring or maintaining the router. Table 3 Translated Safety Warnings Warning Waarschuwing Varoitus This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. (To see translations of the warnings that appear in this publication, refer to the appendix Translated Safety Warnings in the installation guide that accompanied this device.) Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico s en dient u op de hoogte te zijn van standaard maatregelen om ongelukken te voorkomen. (Voor vertalingen van de waarschuwingen die in deze publicatie verschijnen, kunt u het aanhangsel Translated Safety Warnings (Vertalingen van veiligheidsvoorschriften) in de installatiegids die bij dit toestel is ingesloten, raadplegen. Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa ruumiinvammaan. Ennen kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä vaaroista ja tavanomaisista onnettomuuksien ehkäisykeinoista. (Tässä julkaisussa esiintyvien varoitusten käännökset löydät tämän laitteen mukana olevan asennusoppaan liitteestä "Translated Safety Warnings" (käännetyt turvallisuutta koskevat varoitukset).) Translated Safety Warnings 25
26 Translated Safety Warnings Table 3 Translated Safety Warnings (continued) Attention Warnung Avvertenza Advarsel Aviso Advertencia! Ce symbole d avertissement indique un danger. Vous vous trouvez dans une situation pouvant entraîner des blessures. Avant d accéder à cet équipement, soyez conscient des dangers posés par les circuits électriques et familiarisez-vous avec les procédures courantes de prévention des accidents. Pour obtenir les traductions des mises en garde figurant dans cette publication, veuillez consulter l annexe intitulée «Translated Safety Warnings» (Traduction des avis de sécurité) dans le guide d installation qui accompagne cet appareil. Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur Vermeidung von Unfällen bewußt. (Übersetzungen der in dieser Veröffentlichung enthaltenen Warnhinweise finden Sie im Anhang mit dem Titel Translated Safety Warnings (Übersetzung der Warnhinweise) in der diesem Gerät beiliegenden Installationsanleitung.) Questo simbolo di avvertenza indica un pericolo. Si è in una situazione che può causare infortuni. Prima di lavorare su qualsiasi apparecchiatura, occorre conoscere i pericoli relativi ai circuiti elettrici ed essere al corrente delle pratiche standard per la prevenzione di incidenti. La traduzione delle avvertenze riportate in questa pubblicazione si trova nell appendice, Translated Safety Warnings (Traduzione delle avvertenze di sicurezza), del manuale d installazione che accompagna questo dispositivo. Dette varselsymbolet betyr fare. Du befinner deg i en situasjon som kan føre til personskade. Før du utfører arbeid på utstyr, må du være oppmerksom på de faremomentene som elektriske kretser innebærer, samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker. (Hvis du vil se oversettelser av de advarslene som finnes i denne publikasjonen, kan du se i vedlegget "Translated Safety Warnings" [Oversatte sikkerhetsadvarsler] i installasjonsveiledningen som ble levert med denne enheten.) Este símbolo de aviso indica perigo. Encontra-se numa situação que lhe poderá causar danos fisicos. Antes de começar a trabalhar com qualquer equipamento, familiarize-se com os perigos relacionados com circuitos eléctricos, e com quaisquer práticas comuns que possam prevenir possíveis acidentes. (Para ver as traduções dos avisos que constam desta publicação, consulte o apêndice Translated Safety Warnings - Traduções dos Avisos de Segurança, no guia de instalação que acompanha este dispositivo). Este símbolo de aviso significa peligro. Existe riesgo para su integridad física. Antes de manipular cualquier equipo, considerar los riesgos que entraña la corriente eléctrica y familiarizarse con los procedimientos estándar de prevención de accidentes. (Para ver traducciones de las advertencias que aparecen en esta publicación, consultar el apéndice titulado Translated Safety Warnings, en la guía de instalación que se acompaña con este dispositivo.) 26 Translated Safety Warnings
27 Power Supply Specifications Table 3 Translated Safety Warnings (continued) Varning! Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan leda till personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanligt förfarande för att förebygga skador. (Se förklaringar av de varningar som förekommer i denna publikation i appendix "Translated Safety Warnings" [Översatta säkerhetsvarningar] i den installationshandbok som medföljer denna anordning.) Power Supply Specifications This section provides details and descriptions of the power supply. (See Table 4.) Table 4 Dual AC and DC Power Supply Specifications Specifics Dual AC Power Dual DC Power Maximum: 300W (1708 BTU/hr) maximum Maximum: 300W (1708 BTU/hr); Minimum: W ( Minimum: W ( Total Input Power BTU/hr) BTU/hr) Input Voltage 100 to 240 VAC -48/-60VDC Typical Input Current 2.5 to 5A 3.0 to 4.0A Maximum Input Current - 9.0A Input Line Frequency 50/60 Hz - Heat Dissipation 500W 500W Additional feature information is available online in the Cisco Internet Router Installation and Configuration Guide publication, located on Cisco.com. This document accompanies other marketing materials related to the Cisco Internet Router. Power Supply Specifications 27
28 Power Supply Specifications This document is to be used in conjunction with the documents listed in the Cisco Internet RouterInstallation and Configuration Guide. CCVP, the Cisco logo, and the Cisco Square Bridge logo are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn is a service mark of Cisco Systems, Inc.; and Access Registrar, Aironet, BPX, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Enterprise/Solver, EtherChannel, EtherFast, EtherSwitch, Fast Step, Follow Me Browsing, FormShare, GigaDrive, HomeLink, Internet Quotient, IOS, iphone, IP/TV, iq Expertise, the iq logo, iq Net Readiness Scorecard, iquick Study, LightStream, Linksys, MeetingPlace, MGX, Networking Academy, Network Registrar, Packet, PIX, ProConnect, ScriptShare, SMARTnet, StackWise, The Fastest Way to Increase Your Internet Quotient, and TransPath are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries. All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0705R) Copyright 2003 Cisco Systems, Inc. All rights reserved. 28 Power Supply Specifications
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