3. right power supply bay 4. right power distribution board5. cable management tray 6. memory riser (8)7. hard drive backplane 8. SAS expander daughter card (primary)9. control panel board 10. release tab for SAS expander daughter card(2)11. release tab for hard drive backplane (2) 12. cooling fan (6)13. left power distribution board 14. left power supply bayChassis intrusion switchCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.NOTE: This is a Field Replaceable Unit (FRU). Removal and installation procedures should beperformed only by Dell certified service technicians.The chassis intrusion switch is located on the Network Daughter Card (NDC) riser, connected to the NDCriser card. It is used to detect unauthorized access to the inside of the system. The intrusion is indicatedon the Embedded Server Management (ESM) when the system cover is open.NOTE: If the intrusion cable is missing or not connected, a notification is received in the ESM andintrusion status is not logged in the system event log.Removing the chassis intrusion switchPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.NOTE: This is a Field Replaceable Unit (FRU). Removal and installation procedures should beperformed only by Dell certified service technicians.NOTE: The chassis intrusion switch is detachable from the Network Daughter Card (NDC) riser.Ensure that it is not removed, so that the chassis intrusions are detected.1. Ensure that you follow the Safety instructions.2. Follow the procedure listed in Before working inside your system.3. Remove the NDC riser.4. Remove the NDC.Steps1. Press the intrusion switch and slide it out of the intrusion switch slot.2. Disconnect the chassis intrusion switch cable connected to the NDC riser card.51
