• For AC power supply units:
1. Connect one end of the power cord to the power connector on the power supply unit.
2. Connect the other end of the power cord to a properly grounded electrical outlet.
• For –48V DC power supply units:
1. Use a slotted screwdriver to loosen the 3 captive screws on the power supply terminal
block.
2. Check the polarity label on the power supply unit and each power cord.
Polarity
PSU terminal block
Power cord
Input
-Vin
Ground
GND
Input
RTN
3. Face the groove side of each power cord connector towards the corresponding screw hole
on the terminal block. Then, insert them to the connector beneath the screw hole.
4. Tighten the captive screws on the terminal block. Ensure the screws and power cords are
secured in place.
5. Connect the other end of the cables to a properly grounded electrical outlet.
After you finish
1. If you have adjusted the CMA to gain access to the power supply bay, properly readjust the CMA back
in place.
2. If the server is turned off, turn on the server. Ensure that both the power input LED and the power output
LED on the power supply are lit, indicating that the power supply is operating properly.
Hot-swap rear drive assembly replacement
Use this information to remove and install the hot-swap rear drive assembly.
Note: The term “hot-swap drive” refers to all the supported types of 2.5-inch hot-swap hard disk drives and
hot-swap solid-state drives.
Remove the hot-swap rear drive assembly
Use this information to remove the hot-swap rear drive assembly.
About this task
The following illustrates how to remove the 2.5-inch rear drive assembly. You can remove the 7mm rear drive
assembly in the same way.
Attention:
• Read “Installation guidelines” on page 83 to ensure that you work safely.
• Power off the server and disconnect all power cords for this task.
140
ThinkSystem SR630 V2 Maintenance Manual
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