Lenovo ThinkSystem SR850 V2 - Page 184

• 1100-watt Platinum, input power 115 Vac / 230 Vac / 240 VDC
• 1800-watt Platinum, input power 230 Vac / 240 VDC
• 2400-watt Platinum, input power 230 Vac / 240 VDC
CAUTION:
• 240 V dc input (input range: 180-300 V dc) is supported in Chinese Mainland ONLY.
• Power supply with 240 V dc input cannot support hot-plugging power cord function. Before
removing the power supply with dc input, please turn off server or disconnect dc power sources at
the breaker panel or by turning off the power source. Then, remove the power cord.
Watch the procedure. A video of this procedure is available from the following links:
•
https://www.youtube.com/playlist?list=PLYV5R7hVcs-C6QgmsUMRG6ul0bHzrGmsG
• https://list.youku.com/albumlist/show/id_54461099
Procedure
Step 1. Make preparations for this task.
a. Make sure the power supply unit to be installed is of the same wattage as the installed ones.
Otherwise, complete the following steps:
1. Turn off the server and peripheral devices.
2. Disconnect the power cords and all external cables.
3. Remove all the installed power supply units.
4. Make sure all the power supply units to be installed are of the same wattage. Do not mix
power supply units of different wattages in the same unit of server.
b. If CMA has been installed, do the following:
Figure 89. Adjusting CMA
1. Press down the stop bracket and rotate it to the open position.
2. Rotate the CMA out of the way to gain access to the power supply bay.
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ThinkSystem SR850 V2 Maintenance Manual