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Product Number: ACS-2600RPS=
May 17, 2000
This document describes how to install an adapter plate in the Cisco uBR914 Cable Data Service Unit (DSU) for use with the Cisco Redundant Power System (RPS). The Cisco RPS provides power system redundancy to up to four external devices, such as the Cisco uBR914 DSU and other routers, switches, and 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, depending on the types of cables used to connect the Cisco RPS to the Cisco uBR914 DSU.
To use the Cisco RPS with a Cisco uBR914 DSU, you must remove the existing power supply and replace it with a Cisco RPS adapter plate.
This document includes the following sections:
Follow these guidelines to ensure general safety:
Safety warnings appear throughout this publication in procedures that, if performed incorrectly, might harm you. A warning symbol precedes each safety warning.
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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. |
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.
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.
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.
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.
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.
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.
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.
¡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.
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.
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Note To see translations of the other warnings that appear in this publication, see Appendix C, Regulatory Compliance and Safety Information, in the Cisco uBR914 Hardware Installation Guide. |
Follow these guidelines when working on equipment powered by electricity.
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Warning Read the installation instructions before you connect the system to its power source. |
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Warning Ultimate disposal of this product should be handled according to all national laws and regulations. |
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Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment. |
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Warning 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. |
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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 objects to the terminals. |
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Caution Only the Cisco RPS (model PWR600-AC-RPS) should be used to power the Cisco uBR914 DSU. |
Seul le système d'alimentation redondant Cisco (RPS modèle PWR600-AC-RPS) doit servir à alimenter le Cisco uBR914 DSU.
Das Cisco uBR914 DSU darf nur mit einer redundanten Stromversorgung von Cisco, Modell PWR600-AC-RPS, betrieben werden.
Para alimentar el Cisco uBR914 DSU, usar exclusivamente el sistema de alimentación redundante (redundant power system = RPS) Cisco, modelo PWR600-AC-RPS.
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 be used correctly. If no wrist strap is available, ground yourself by touching the metal part of the chassis.
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Caution For safety, periodically check the resistance value of the antistatic strap, which should be between 1 and 10 megohms (Mohm). |
This kit includes the following items:
To install the Cisco RPS adapter plate, you will also need the following tools and equipment (which are not included):
After installing the Cisco RPS adapter plate, you must connect it to the RPS, as described in "Connecting to the RPS" section.
You must remove the Cisco uBR914 chassis cover to access the internal power supply.
To remove the chassis cover:
Step 2 Disconnect the power cable from the back panel of the Cisco uBR914 DSU.
Step 3 Attach an ESD-preventive wrist strap.
Step 4 Disconnect all other cables from the rear panel of the Cisco uBR914 DSU.
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Warning Do not work on the system or connect or disconnect cables during periods of lightning activity. |
Step 5 Remove the Cisco uBR914 DSU from its rack, if it is already rack-mounted.
Step 6 Place the Cisco uBR914 DSU so that the front panel is facing you. Remove the screws located on top of the cover near the front edge.
Step 7 Slide the cover toward you until the metal tabs on the side edges separate from the chassis bottom, as shown in Figure 2.
Step 8 Lift the front edge of the cover until it clears the front of the chassis and then set it aside.
Step 9 Continue on with the next section to remove the factory-installed power supply.
To remove the Cisco uBR914 DSU's AC internal power supply:
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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. |
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Caution If you need to remove the fan connector to more easily remove the power connector, be certain to replace the fan connector afterward; running the Cisco uBR914 DSU without the fan connected can cause permanent damage. |
Step 2 Remove the mounting screw that secures the power supply to the chassis, as shown in Figure 4. Set aside this screw in case you ever need to reinstall the power supply.
Step 3 Slide the power supply forward slightly in the chassis. This disengages the built-in hooks that help secure the power supply to the chassis. Lift up the power supply to remove it from the chassis. See Figure 5.
Step 4 Place the removed screw and AC power supply in an antistatic bag for storage. (You will not need the AC power supply unless you decide later to discontinue using the RPS and reinstall the AC power supply.)
To install the Cisco RPS Adapter Plate in the Cisco uBR914 DSU:
Step 2 Install the mounting screw that came with the Cisco RPS Adapter Plate into the screw hole, as shown in Figure 7.
Step 3 Connect the six-pin connector from the RPS adapter plate to the system board. The connector is keyed so that it cannot be connected to the system board incorrectly. See Figure 8.
Step 4 Connect the four-pin environmental status connector as shown in Figure 9.
Step 5 Remove the RPS power ratings label (see Figure 10) and attach it over the existing AC power rating label on the rear panel of the Cisco uBR914 DSU (see Figure 11).
Step 6 Continue on with the next section to replace the cover on the Cisco uBR914 DSU.
To replace the cover:
Step 2 Referring to Figure 2, press the two chassis sections together and ensure the following:
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Caution To fit the two sections together, it might be necessary to work them together at one end and then the other, working back and forth; however, use care to prevent bending of the chassis edges. |
Step 3 When the two sections fit together snugly, slide the chassis top so until it fits into the front bezel.
Step 4 Replace the cover screws. Tighten the screws to no more than 8 or 9 inch-pounds of torque.
Step 5 Reinstall the chassis in the rack, within four feet of the Cisco RPS that will provide power for it.
Step 6 Reconnect all cables except the power cable. Proceed to the next section to connect the Cisco uBR914 DSU to the RPS.
The Cisco uBR914 DSU can be connected to the RPS in either a quasi-redundant or fully-redundant configuration using the cables shown in Table 1.
| Redundancy Configuration | Cable Description | Cable Order Number |
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Quasi-redundant | One-to-one cable, 22-pin to 18-pin, 4 feet (1.22 m)1 | CAB-RPS-2218= |
Fully redundant | Two-to-one cable, 22-pin to 18-pin, 4 feet (1.22 m)1 | CAB-RPSY-2218= |
Before connecting the RPS to the Cisco uBR914 DSU, read the power warnings below. Cisco recommends that you disconnect all power from the Cisco RPS before beginning. However, if another external device is already connected to the Cisco RPS, you can connect the Cisco uBR914 DSU without interrupting power to the Cisco RPS and other device by connecting your cable to the Cisco RPS first and then to the Cisco uBR914 DSU.
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Warning Attach only the Cisco RPS (model PWR600-AC-RPS) to the RPS receptacle. |
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Warning 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. |
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Warning Before working on a system that has an On/off switch, turn OFF the power and unplug the power cord. |
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Warning The Cisco RPS might have more than one power cord. To reduce the risk of electric shock, disconnect the two power supply cords before servicing the unit. |
To connect the Cisco uBR914 DSU to the Cisco RPS:
Step 2 Connect the 18-pin end of the one-to-one cable or Y-cable to the RPS connector on the rear panel of the Cisco uBR914 DSU (see Figure 11).
Step 3 Connect the other end of the one-to-one or Y-cable to any available 22-pin connector on the rear panel connector on the Cisco RPS, as shown in Figure 12 and Figure 13.
Step 4 On the rear panel of the Cisco RPS, connect an AC power cable to either or both of the power connectors. Use the cable locks on the Cisco RPS to lock the cables in place. See Figure 14.
Step 5 Connect the other end of each Cisco RPS AC power cable into a grounded AC power outlet.
Step 6 Power up the Cisco RPS. There is a separate power switch for each AC power supply. If using two AC power cables, make sure each power switch is turned ON. See Figure 15.
Step 7 Power on the Cisco uBR914 DSU by turning its power switch to the ON (|) position.
The Cisco RPS is on and provides power to the external device in 10 to 15 seconds. The RPS is working properly when its front-panel LEDs are solid green. When the RPS is supplying power to the Cisco uBR914 DSU, the LED labeled RPS on the front panel of the Cisco uBR914 DSU is on.
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Note If the external device does not power up, see the Cisco RPS Hardware Installation Guide , available on CCO and the Documentation CD-ROM. |
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|---|---|
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In North America, TAC can be reached at 800 553-2447 or 408 526-7209. For other telephone numbers and TAC e-mail addresses worldwide, consult the following web site: http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml.
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Posted: Thu May 11 10:24:04 PDT 2000
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