Benutzeranleitung / Produktwartung 7000 and 7507 LED Board MAS-7KLED des Produzenten Cisco
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1 Doc. No . Copyright © 1995 Cisco Systems, Inc. All rights reser ved. Cisco 7000 and Cisco 7507 LED Board Replacement Instr uctions 78-1060-02 Product Number: MAS-7KLED Customer Order Number: DOC-781060= This document contains instructions for replacing the top and bottom front chassis panels and the LED board in the Cisco 7000 and Cisco 7507.
2 Cisco 7000 and Cisco 7507 LED Board Replacement Instructions Product Overview Pr oduct Overview This section describes the top and bottom front chassis panels and the LED board. T op and Bottom F ront Chassis P anels The top and bottom front chassis panels each comprise a plastic injected-molded bezel on a metal frame.
Cisco 7000 and Cisco 7507 LED Board Replacement Instructions 3 Product Overview LED Board Location and Description The LED board contains the three LEDs that report system software (normal) and po wer supply (upper power and lo wer power) status through semiopaque panels on the front of the chassis.
4 Cisco 7000 and Cisco 7507 LED Board Replacement Instructions Product Overview T w o pins in the brackets and a metal spring that butts up against the ceiling of the chassis k eep the board in place. (See Figure 3.) Y ou must remov e the top front chassis panel to access the LED board.
Cisco 7000 and Cisco 7507 LED Board Replacement Instructions 5 Prerequisites Prerequisites Before you begin an installation, re view the safety guidelines in this section to av oid injuring yourself or damaging the equipment. W arning This warning symbol means dang er .
6 Cisco 7000 and Cisco 7507 LED Board Replacement Instructions Prerequisites Saf ety Guidelines The follo wing guidelines will help to ensure your safety and protect the equipment. This list is not inclusiv e of all potentially hazardous situations, so be alert .
Cisco 7000 and Cisco 7507 LED Board Replacement Instructions 7 Removing and Replacing the Front Chassis Panels • When removing or installing an LED board, connect the equipment end of the ground strap to an unpainted surface of the chassis, such as the v ertical metal frame that is exposed when the front chassis panels are remov ed.
8 Cisco 7000 and Cisco 7507 LED Board Replacement Instructions Removing and Replacing the Fr ont Chassis P anels W arning Before performing any of the follo wing procedures, ensure that power is remov ed from the DC circuit.
Cisco 7000 and Cisco 7507 LED Board Replacement Instructions 9 Removing and Replacing the Front Chassis Panels Figure 6 Removing the T op Front P anel Step 5 W ith your other hand, grasp the front of the panel by inserting your fingers into the opening on the underside of the bezel.
10 Cisco 7000 and Cisco 7507 LED Board Replacement Instructions Removing and Replacing the Fr ont Chassis P anels Step 6 While holding the panel in place, place one palm against the top front center of the panel to brace it, and place the other against the lip near the bottom edge of the frame.
Cisco 7000 and Cisco 7507 LED Board Replacement Instructions 11 Removing and Replacing the Front Chassis Panels Figure 7 Replacing the T op Fr ont Panel Cisco 7000 UPPER POWER LOWER POWER NORMAL Cisco.
12 Cisco 7000 and Cisco 7507 LED Board Replacement Instructions Removing and Replacing the LED Boar d Remo ving and Replacing the LED Board The LED board slides horizontally into two mounting brackets near the top of the chassis interior and connects directly to the backplane.
Cisco 7000 and Cisco 7507 LED Board Replacement Instructions 13 Removing and Replacing the LED Board Step 7 K eep the spring depressed as you pull the board straight out at a 90-degree orientation to the backplane. Step 8 Place the board in an antistatic bag if returning it to the factory .
14 Cisco 7000 and Cisco 7507 LED Board Replacement Instructions Removing and Replacing the LED Boar d Installation Check out Perform the following steps to v erify that the new LED board functions correctly . Note The following w arning is for units with DC-input po wer supplies.
Cisco 7000 and Cisco 7507 LED Board Replacement Instructions 15 Translated Safety Warnings T ranslated Safety W arnings Follo wing are translations of the safety warnings that appear throughout this publication: Lightning Activity W ar ning W arning Do not work on the system or connect or disconnect cables during periods of lightning acti vity .
16 Cisco 7000 and Cisco 7507 LED Board Replacement Instructions T ranslated Safety W arnings Adv arsel Før kabinettet åpnes, skal kablene for telenettet kobles fra for å unngå å k omme i kontakt med spenningen i telenettet.
Cisco 7000 and Cisco 7507 LED Board Replacement Instructions 17 Translated Safety Warnings Electric Shock W ar ning W arning This unit might hav e more than one power cord. T o reduce the risk of electric shock, disconnect the two po wer supply cords before servicing the unit.
18 Cisco 7000 and Cisco 7507 LED Board Replacement Instructions T ranslated Safety W arnings Attention A v ant de pratiquer l'une quelconque des procédures ci-dessous, vérifier que le circuit en courant continu n'est plus sous tension.
Cisco 7000 and Cisco 7507 LED Board Replacement Instructions 19 Translated Safety Warnings W arnung Nach V erdrahtung des Gleichstrom-Netzgeräts entfernen Sie das Klebeband vom Schaltergrif f des Unterbrechers und schalten den Strom erneut ein, indem Sie den Griff des Unterbrechers auf EIN stellen.
20 Cisco 7000 and Cisco 7507 LED Board Replacement Instructions Cisco Information Online Cisco Inf ormation Online Cisco Information Online (CIO) is Cisco Systems’ primary , real-time support channel. Maintenance customers and partners can self-register on CIO to obtain additional content and services.
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