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Installing the Cisco RPS Adapter Plate in Cisco 3620 Routers

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Table of Contents

Installing the Cisco RPS Adapter Plate in Cisco 3620 Routers
 Safety Recommendations
 Required Tools and Equipment
 Removing the Cover
 Removing the Power Supply
 Installing the Redundant Power Supply Adapter Plate
 Replacing the Cover
 Cisco Connection Online

Installing the Cisco RPS Adapter Plate in Cisco 3620 Routers

Product Number: ACS-3620RPS=

This document describes how to install an adapter plate in Cisco 3620 routers for use with the Cisco Redundant Power System (RPS). The Cisco RPS provides power system redundancy to external devices (such as routers, switches, or hubs). The system includes two fully redundant AC input power modules and four DC output power modules for connection to external devices. The Cisco RPS supports quasi-redundant and fully redundant power source configurations. To use the Cisco RPS with Cisco 3620 routers, you must remove the existing power supply and replace it with a Cisco RPS adapter plate.

This document includes the following sections:

Safety Recommendations

Follow these guidelines to ensure general safety:

  • Keep the chassis area clear and dust-free during and after installation.
  • Put the removed chassis cover in a safe place.
  • Keep tools away from walk areas where you or others could fall over them.
  • Do not wear loose clothing that could get caught in the chassis. Fasten your tie or scarf and roll up your sleeves.
  • Wear safety glasses when working under any conditions that might be hazardous to your eyes.
  • Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.

Safety Warnings

Safety warnings appear throughout this publication in procedures that, if performed incorrectly, may harm you. A warning symbol precedes each safety warning.

Warning    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 Regulatory Compliance and Safety Information document that accompanied this device.

Waarschuwing  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 document Regulatory Compliance and Safety Information (Informatie over naleving van veiligheids- en andere voorschriften) raadplegen dat bij dit toestel is ingesloten.

Varoitus  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 laitteen mukana olevasta Regulatory Compliance and Safety Information -kirjasesta (määräysten noudattaminen ja tietoa turvallisuudesta).

Attention  Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant causer des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers posés par les circuits électriques et familiarisez-vous avec les procédures couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions d'avertissements figurant dans cette publication, consultez le document Regulatory Compliance and Safety Information (Conformité aux règlements et consignes de sécurité) qui accompagne cet appareil.

Warnung  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 Dokument Regulatory Compliance and Safety Information (Informationen zu behördlichen Vorschriften und Sicherheit), das zusammen mit diesem Gerät geliefert wurde.

Avvertenza  Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle persone. 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 nel documento Regulatory Compliance and Safety Information (Conformità alle norme e informazioni sulla sicurezza) che accompagna questo dispositivo.

Advarsel  Dette varselsymbolet betyr fare. Du befinner deg i en situasjon som kan føre til personskade. Før du utfører arbeid på utstyr, må du vare 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 dokumentet Regulatory Compliance and Safety Information (Overholdelse av forskrifter og sikkerhetsinformasjon) som ble levert med denne enheten.

Aviso  Este símbolo de aviso indica perigo. Encontra-se numa situação que lhe poderá causar danos físicos. 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 documento Regulatory Compliance and Safety Information (Informação de Segurança e Disposições Reguladoras) que acompanha este dispositivo.

¡Advertencia!  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 una traducción de las advertencias que aparecen en esta publicación, consultar el documento titulado Regulatory Compliance and Safety Information (Información sobre seguridad y conformidad con las disposiciones reglamentarias) que se acompaña con este dispositivo.

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 förkommer i denna publikation i dokumentet Regulatory Compliance and Safety Information (Efterrättelse av föreskrifter och säkerhetsinformation), vilket medföljer denna anordning.

Safety with Electricity

Follow these guidelines when working on equipment powered by electricity:

  • Locate the emergency power-OFF switch in the room in which you are working. Then, if an electrical accident occurs, you can quickly shut the power OFF.
  Read the installation instructions before you connect the system to its power source.
  Ultimate disposal of this product should be handled according to all national laws and regulations.
  Only trained and qualified personnel should be allowed to install or replace this equipment.
Before working on a chassis or working near power supplies, unplug the power cord on AC units; disconnect the power at the circuit breaker on DC units.
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.
  • Do not work alone if potentially hazardous conditions exist.
  • Never assume that power is disconnected from a circuit. Always check.
  • Look carefully for possible hazards in your work area, such as moist floors, ungrounded power extension cables, and missing safety grounds.
  • If an electrical accident occurs, proceed as follows:
    • Use caution; do not become a victim yourself.
    • Turn OFF power to the system.
    • If possible, send another person to get medical aid. Otherwise, determine the condition of the victim and then call for help.
    • Determine if the person needs rescue breathing or external cardiac compressions; then take appropriate action.
Use the Cisco RPS (model PWR600-AC-RPS) only to power the external device.

Seul le système d'alimentation redondant Cisco (RPS modèle PWR600-AC-RPS) doit servir à alimenter le dispositif externe.

Das externe Gerät darf nur mit einer redundanten Stromversorgung von Cisco, Modell PWR600-AC-RPS, betrieben werden.




Para alimentar el dispositivo externo, usar exclusivamente el sistema de alimentación redundante (redundant power system = RPS) Cisco, modelo PWR600-AC-RPS.

Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. It occurs when electronic printed circuit cards are improperly handled and can result in complete or intermittent failures. Always follow ESD prevention procedures when removing and replacing cards. Ensure that the chassis is electrically connected to earth ground. Wear an ESD-preventive wrist strap, ensuring that it makes good skin contact. Connect the clip to an unpainted surface of the chassis frame to safely channel unwanted ESD voltages to ground. To properly guard against ESD damage and shocks, the wrist strap and cord must operate effectively. If no wrist strap is available, ground yourself by touching the metal part of the chassis.

For safety, periodically check the resistance value of the antistatic strap, which should be between 1 and 10 megohms (Mohm).

Required Tools and Equipment

This kit includes the following items:

  • Cisco RPS adapter plate, shown in Figure 1
  • DC power rating label

Figure 1   Cisco RPS Adapter Plate for Cisco 3620 Routers


To install the Cisco RPS adapter plate, you will also need the following tools and equipment (which are not included):

  • Cisco 3620 router
  • Medium-size Phillips screwdriver
  • ESD-preventive wrist strap
  • Antistatic bag (optional)
  • Wire cutters or scissors for cutting the cable tie-wraps (optional)

Removing the Cover

You must remove the chassis cover to access the internal power supply.

Do not touch the power supply when the power cord is connected. For systems with a power switch, line voltages are present within the power supply even when the power switch is OFF and the power cord is connected. For systems without a power switch, line voltages are present within the power supply when the power cord is connected.
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.

Take these steps to remove the chassis cover:

Step 1   Power OFF the router.

Step 2   Attach an ESD-preventive wrist strap.

Step 3   Disconnect all cables from the rear panel of the router.

Before opening the chassis, disconnect the telephone-network cables to avoid contact with telephone-network voltages.
Do not work on the system or connect or disconnect cables during periods of lightning activity.

Step 4   Place the router so that the front panel is facing you. Remove the three screws located on top of the cover near the front edge, as shown in Figure 2.


Figure 2   Removing the Cover


Step 5   Lift the front edge of the cover until it clears the front of the chassis, as shown in Figure 2.

Step 6   Pull the cover toward you until the metal tabs on the rear edge separate from the chassis bottom, as shown in Figure 2.

Step 7   Lift the cover until it is free from the chassis and then set it aside.

Removing the Power Supply

This section describes how to remove the internal power supply. Although the AC power supply is shown in the illustrations that follow, the procedure is the same for removing both the AC and DC power supplies.

Take these steps to remove the power supply:

Step 1   Locate the six-pin connector on the system board near the front of the router, and disconnect it. (See Figure 3.)

Step 2   Locate the two small two-pin connectors used to power the fans. Grasp the two halves of each connector firmly and pull them apart. (See Figure 3.)

Note If cable tie-wraps on the harness interfere with removing the connectors, cut the tie-wraps, being careful not to cut the power supply wires.


Figure 3   Locating the Connectors


Step 3   Remove the mounting screw that secures the power supply to the chassis. (See Figure 4.) Set aside this screw for later use.


Figure 4   Removing the Mounting Screw


Step 4   Slide the power supply forward slightly in the chassis. This disengages the built-in hooks that help secure the power supply to the chassis. (See Figure 5.)


Figure 5   Removing the Power Supply


Step 5   Lift the power supply out of the chassis.

Installing the Redundant Power Supply Adapter Plate

Take these steps to install the Cisco RPS Adapter Plate:

Step 1   Place the router so that the rear panel is facing you. (See Figure 6.)


Figure 6   Cisco 3620 Rear Panel


Step 2   Attach the DC power rating label over the ratings on the rear panel of the router. (See Figure 7.)


Figure 7   Attaching the DC Power Rating Label


Step 3   Align the Cisco RPS Adapter Plate with the chassis cutout for the power supply. Tilt the adapter plate slightly toward you at the top and rock it up and into place ensuring that the two small hooks at the top of the Adapter Plate engage the router chassis. (See Figure 8.)


Figure 8   Installing the Cisco RPS Adapter Plate


Step 4   Install the mounting screw that came with the Cisco RPS Adapter Plate into the screw hole. (See Figure 9.)


Figure 9   Installing the Mounting Screw


Step 5   Connect the six-pin connector to the system board. The connector is keyed so that it cannot be connected to the system board incorrectly. (See Figure 10.)

Step 6   Reconnect the two small two-pin connectors used to power the fans. (See Figure 10.)

Step 7   Connect the 4-pin environmental status connector only if your router, with the connector connected, has been upgraded to the correct level of IOS. Using any other level of IOS can cause the router to crash. Version 11.1(12)AA or later is compatible, but will not show status from the RPS. Version 11.2(7)P or later will provide RPS status information to the network.


Figure 10   Reconnecting the Connectors


Replacing the Cover

Follow these steps to replace the cover:

Step 1   Place the chassis so the front panel is facing you.

Step 2   Hold the cover so the tabs at the rear of the cover are aligned with the chassis bottom, as shown in Figure 11.


Figure 11   Replacing the Cover


Step 3   Push the cover toward the rear, making sure that the cover tabs fit under the chassis back panel, and the back panel tabs fit under the top cover.

Step 4   Lower the front of the cover onto the chassis, making sure that the side tabs on the cover fit inside the chassis side panels, and the chassis tabs fit under the cover side panels.

Step 5   Secure the cover with the three screws you set aside earlier.

Step 6   Reinstall the chassis on a rack, wall, or desktop.

Step 7   Reconnect all cables.

Step 8   Remove the antistatic wrist strap.

Step 9   Power ON the router.

Cisco Connection Online

Cisco Connection Online (CCO) is Cisco Systems' primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services.

Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco's customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files.

CCO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously: a character-based version and a multimedia version that resides on the World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit, Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over lower bandwidths. The WWW version of CCO provides richly formatted documents with photographs, figures, graphics, and video, as well as hyperlinks to related information.

You can access CCO in the following ways:

For a copy of CCO's Frequently Asked Questions (FAQ), contact cco-help@cisco.com. For additional information, contact cco-team@cisco.com.

Note      If you are a network administrator and need personal technical assistance with a Cisco product that is under warranty or covered by a maintenance contract, contact Cisco's Technical Assistance Center (TAC) at 800 553-2447, 408 526-7209, or tac@cisco.com. To obtain general information about Cisco Systems, Cisco products, or upgrades, contact 800 553-6387, 408 526-7208, or cs-rep@cisco.com.