Page 120 of 362 Replacing equipment553-3001-520 Standard 16.00 April 200010 Follow the steps below to disengage the module:a Remove the two mounting screws that secure the rear of the cardcage to the module.b Remove the front trim panels on each side of the card cage.c Remove the three mounting screws that secure the front of the cardcage to the bottom of the module.d Pull the card cage halfway out of the module.11 Follow the steps below to disconnect power and ground connections atthe rear of the module:a Disconnect the system monitor ribbon cables to J1 and J2.b Disconnect the module power connectors. These are small orangeconnectors plugged into the module power distribution unit(MPDU) with AC power, or connected to each other with DC power.c Disconnect the logic ground (orange) wire from the backplane bolt.d Disconnect the frame ground (green) wire from the frame groundpost.12 Pull the card cage all the way out of the module.Note: For AC-powered systems, after the card cage is out of the moduleyou must remove the MPDU and reinstall it on the replacement cardcage. The screw-heads for the MPDU are in the wall of the power supplyslot.13 Remove the floating power connector (the black connector) on the rearof the card cage. Using the same mounting screws and nuts, attach theconnector to the new card cage.WARNINGDo not disconnect the main power connectors (large orangeconnectors) at the top and bottom of the module.
