Lenovo ThinkEdge SE455 V3 User Manual page 128

CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
About this task
Attention:
• Read "Installation Guidelines" on page 39
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
• Touch the static-protective package that contains the component to any unpainted metal surface on the
server; then, remove it from the package and place it on a static-protective surface.
Procedure
Step 1. Align the intrusion switch with the guide slot and shoulder pin on the chassis; then, insert the
intrusion switch until it is seated in place.
Step 2. Press the intrusion switch toward the chassis; meanwhile, fasten the captive screw to secure the
intrusion switch.
Figure 91. Installing the intrusion switch
Step 3. Connect the intrusion switch cable to the system board. See
routing" on page 230
After this task is completed
120 ThinkEdge SE455 V3 User Guide
and "Safety inspection checklist" on page 40
48.
to locate Intrusion switch connector.
to ensure that you
"System-board connectors for cable