Lenovo ThinkSystem SR665 Maintenance Manual page 224

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If the server is in a rack, adjust the cable management arm (CMA) to gain access to the power

If you have installed the 2U CMA Upgrade Kit for Toolless Slide Rail or Toolless Slide Rail Kit with

2U CMA, do the following:

Figure 82. CMA adjustment

1. Press down the stop bracket

2. Rotate the CMA out of the way to gain access to the power supply.

Disconnect the power cord from the hot-swap power supply.

Note: If you are replacing two power supplies, replace them one by one to ensure that the power

supply to the server is not interrupted. Do not disconnect the power cord from the secondly

replaced power supply until the power output LED for the firstly replaced power supply is lit. For the

location of the power output LED, refer to "Rear view LEDs" on page 41.

ThinkSystem SR665 Maintenance Manual

and rotate it to the open position.