Serial Port Module Replacement - Lenovo ThinkEdge SE455 V3 User Manual

Figure 184. Installing the security bezel keylock bracket
After this task is completed
Complete the parts replacement. See

Serial port module replacement

Follow instructions in this section to remove or install the serial port module.
Remove the serial port module
Follow instructions in this section to remove the serial port module.
S002
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.
• If applicable, remove the security bezel. See
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
"Complete the parts replacement" on page
and "Safety inspection checklist" on page 40
"Remove the security bezel" on page
48.
225.
195.
.
Chapter 5 Hardware replacement procedures
to ensure that you
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