ESD During installation, maintenance, and/or removal, wear grounding wrist straps to avoid ESD damage to the components. Failure to do so could result in damage to electrical components and could potentially void your warranty.The system has several ways to indicate an application card failure. The first indicator is that the Status LED on the Switch Processor Card (SPC) turns red to indicate the failure of a chassis component. Another indicator is the Run/Fail LED on an application card is red or turns off if that card has a problem.
If you see either of these indicators, you can determine the nature of the problem by using the CLI or by checking the Simple Network Management Protocol (SNMP) traps that are generated.
Monitor application cards in the chassis by executing the following commands from the CLI in Execute mode:
show card diag slot_#
slot_# is the chassis slot number in which the particular card that you wish to monitor is installed. For application cards, slot_# is any integer between 1 and 16. The following is a sample output for this command to monitor the card in chassis slot 8:
Card Tests : Pass
Boot Mode : Normal
show card info slot_#
If any of this information appears to be erroneous, such as the operational state or an LED state, check for any of the SNMP alarms listed in the Using SNMP Traps section that follows.
The system supports SNMP traps that are triggered when conditions indicate the need to replace an application card. The system provides the following traps:
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A PAC Migration operation has begun. The first varbind identifies the PAC whose tasks are being migrated from; the second varbind identifies the PAC where the tasks are being migrated to. If a migration is taking place, it is likely that there is a problem with the original PAC.
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A PAC Migration operation has successfully completed. The first varbind identifies the PAC whose tasks are being migrated from; the second varbind identifies the PAC where the tasks are being migrated to.
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A PAC Migration operation has failed. The first varbind identifies the PAC whose tasks are being migrated from; the second varbind identifies the PAC where the tasks are being migrated to.
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An SPC switchover operation has begun. The first varbind identifies the SPC whose tasks are being switched from; the second varbind identifies the SPC where the tasks are being switched to. If a migration is taking place, it is likely that there is a problem with the original SPC.
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An SPC Switchover has completed successfully. The starSlotNum varbind identifies the new primary SPC.
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An SPC switchover operation has failed. The first varbind identifies the SPC whose tasks are being switched from; the second varbind identifies the SPC where the tasks are being switched to.
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If any of the above traps have been generated, it is likely that the application card needs to be replaced.
IMPORTANT: Before you remove and replace an application card on an active system, refer to the System Administration and Configuration Reference for instructions on how to migrate or switch processes and services to a redundant (standby) card.|
1
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Use a #2 Phillips screwdriver to loosen the screws at the top and bottom of the failed application card’s front panel.
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CAUTION: To avoid damaging the card’s interlock switch, ensure that it is completely down prior to proceeding. Refer to the Product Overview Guide for additional information.In addition, to minimize the risk of data loss, ensure that all LEDs on the PAC are completely off prior to removing the card from the chassis.
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4
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CAUTION: Do not leave chassis slots uncovered for extended periods of time. This reduces airflow through the chassis and could cause it to overheat. Make sure a card or a blanking panel is installed in every chassis slot at all times. |
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Proceed to the Installing the Replacement Application Card section that follows for instructions on installing a new application card.
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IMPORTANT: If the card just removed from the chassis was an SPC, proceed to the Removing and Replacing the CompactFlash Memory Card section later in this chapter.|
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Holding the card by its ejector levers, align the card with the upper and lower card guides of the appropriate chassis slot and gently slide the card into the slot until the levers touch the chassis frame.
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CAUTION: To avoid damaging the card’s interlock switch, ensure that it is completely down prior to proceeding. Refer to the Product Overview Guide for additional information.In addition, take extra caution when installing PACs. These cards contain heat sinks that could become loose or damaged if they come into contact with another card while the PAC is being inserted in the chassis slot.
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Push the ejector levers inward firmly and straight until the card is firmly seated in the chassis midplane and the ejector levers can be pushed in no further. Press firmly on the card’s faceplate to ensure that it is fully seated. The card’s front panel should be flush against the chassis’ upper and lower card mounts for the slot.
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3
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Raise the interlock switch on the front panel of the application card to lock the ejector tab in place. The flange on the left-side of the interlock switch prevents movement of the ejector tab when raised completely.
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IMPORTANT: The interlock switch must be fully raised in order to properly secure the application card’s top screw to the chassis.|
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Use a #2 Phillips screwdriver to tighten the screws at the top and bottom of the application card’s front panel to secure the card.
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The SPC card ships with a CompactFlash memory card that stores configuration files, software images, and session capacity/feature licensing keys for the system. The following figure displays the location of the CompactFlash memory card on the SPC.
In the event of an SPC hardware failure, you must remove the CompactFlash from the failed card and install the replacement SPC. This ensures that the proper software image, configuration files, and license keys are loaded as the system boots.
CAUTION: To reduce the risk of damage, handle the CompactFlash memory card only when necessary as part of the maintenance process. This section provides instructions for the removal of the CompactFlash card from the failed SPC and its safe insertion in the replacement SPC.
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1
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Gently insert the module removed in step 1 into the socket on the replacement SPC.
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Proceed to the Installing the Replacement Application Card section of this chapter for instructions on installing the replacement SPC.
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If the failed application card is still under warranty, return it to the vendor for repair. Starent Network’s contact information is located in the About This Guide chapter of this document.
If the failed application card is out of warranty, contact the vendor to determine if it can be sent in for repair at an additional cost.
If you choose to discard the failed component, please return it to Starent Networks for proper disposal. Contact us at: recycle@starentnetworks.com to obtain return instructions. Starent Networks will pre-pay or reimburse shipping charges associated with this service.
