Remove the MPO Coupler Panel

1. To avoid any lost connections or frozen operations, stop all applications currently running or scheduled to run.
2. Follow safety and ESD precautions.

   See Safety and ESD Precautions.

3. If any external cables are connected to the coupler panel:
   1. Record the connection locations for all external cables connected to the coupler panel.

      Customer cabling identifiers are specific to their modular systems and are not labeled at the factory. In contrast, factory cables are labeled with connection information.

   2. Disconnect all external cables.
4. Using a No. 3 Phillips screwdriver, remove the four screws holding the coupler panel to the frame.

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   Caution  -  When removing the MPO coupler panel at slot 40, take care that it does not snag the Ethernet cables connected to the RJ-45 coupler panel at slot 41. You might need to go in through the front of the frame to disentangle the Ethernet cables from the MPO coupler panel.

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5. Carefully pull out the coupler panel.
6. If replacing one of the faulty modules within the coupler panel, do the following:
   1. Disconnect the internal fiber cables from the faulty module.
   2. Pull the two mushroom heads to release the faulty module, then remove the module.
7. Install the coupler panel.

   See Install the MPO Coupler Panel.

Related Information

• Replaceable CRUs

• Replaceable FRUs

• Servicing Cords and Cables