Figure 99. Installing the intrusion switchNote: Ensure that the intrusion switch cable is routed through the cable clip and the pre-cut slotson the foam and fan cage bottom. Otherwise, the cable may slide under the fan cage, the contactsurface between the fan cage and the system board assembly may get uneven, and the fanconnection may get loose.a. Insert the intrusion switch onto the holder on the fan cage and push it in the direction asshown until it is fully seated.b. Fix the intrusion switch cable into the cable clip.c. Route the cable into the fan cage through the pre-cut slots on the foam and fan cagebottom.d. Insert the intrusion switch connector into the connector keyhole, and move it in the showndirection until it is fully seated.Step 3. Install the fan cage back into the chassis. See “Install the system fan cage” on page 270.Step 4. Install system fans into the fan cage. See “Install a system fan” on page 266.After you finishComplete the parts replacement. See “Complete the parts replacement” on page 279.Demo video142 ThinkSystem SR665 V3 User Guide