• Confirm that the LEDs have gone from green to off.
• Execute the do show platform command to verify that the MPA to be removed is in the disabled
state.
• Physically remove the MPA to be replaced.
• Physically insert the replacement MPA
• Return the MPA to the up state with the no hw-module subslot rack/slot/subslot shutdown
command.
• Hard OIR
You can perform the OIR in a running system, by not executing any commands:
• Loosen and remove the right ejector screw.
• Loosen and remove the left ejector screw.
• Remove and replace the MPA.
Modular Port Adapter Installation and Removal
This section provides step-by-step instructions for removing and installing a modular port adapter (MPA) in
a NC55-MOD-A-S and NC55-MOD-A-SE-S modular line card (MLC).
After you remove the MPA from the slot, wait for 60 seconds before you reinsert the MPA.
Note
After you unscrew both ejector screws, wait for 15 seconds before removing MPA from the slot.
Note
During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly
touch the backplane with your hand or any metal tool, or you could shock yourself. Statement 94
Warning
To remove and install a MPA, do the following:
1. To insert the MPA, locate the guide rails inside the MLC that hold the MPA in place. They are at the
bottom left and bottom right of the MPA slot and are recessed about an inch.
2. Carefully slide the MPA all the way in the MLC until the MPA is firmly seated in the MPA interface
connector. When fully seated, the MPA might be slightly behind the faceplate.
The MPA will slide easily into the slot if it is properly aligned on the tracks. If the MPA does not slide easily,
do NOT force it. Remove the MPA and reposition it, paying close attention to engaging it on the tracks. Push
the MPA inside the slot until you hear a click. Continue to push the MPA further until you hear a second click.
The MPA is fully seated only after the second click is heard.
Note
Hardware Installation Guide for Cisco NCS 5500 Series Modular Routers
106
Replace Chassis Components
Modular Port Adapter Installation and Removal
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