Steps1 Align the following:a Network Interface Card (NIC) connectors with the slot opening on Network Daughter Card (NDC) riser bracket.b Captive screws with the screw holes on the NDC riser card.2 Press the NDC at its edges to ensure that the connector on the NDC engages with the connector on the NDC riser card.3 Tighten the captive screws to secure the NDC to the NDC riser card.Figure 60. Installing the NDC1 captive screw (2) 2 NDC3 screw hole (2) 4 connector on the NDC riser card5 NDC riser cardNext steps1 Install the NDC riser.2 Follow the procedure listed in the After working inside your system section.Related linksSafety instructionsBefore working inside your systemInstalling the Network Daughter Card riserAfter working inside your systemChassis intrusion switchThe Chassis Intrusion Switch detects any intrusion into the interior of your system and provides an indication of the same in the systemevent logs. This switch is activated as soon as the cover of your system chassis is removed.NOTE: This is a Field Replaceable Unit (FRU). Removal and installation procedures should be performed only by Dell certifiedservice technicians.120 Installing and removing system components