Juniper MX960 Hardware Manual page 656

To install and power on an MX960 high-voltage second-generation universal power supply, use the
following procedure (see
1. Verify that the power switch on the power supply is in the off (O) position.
2. Ensure that the release lever below the empty power supply slot is locked in the counterclockwise
position (see Figure 114 on page
Figure 243: MX960 with High-Voltage Second Generation Power Supplies Installed
If necessary, pull the spring-loaded locking pin in the release lever away from the chassis and turn the
release lever counterclockwise until it stops. Let go of the locking pin in the release lever. Ensure that
the pin is seated inside the corresponding hole in the chassis.
3. On the power supply, rotate the metal cover away from the input mode switch to expose the switch.
4. Using both hands, slide the power supply straight into the chassis until the power supply is fully seated
in the chassis slot. The power supply faceplate will protrude beyond the chassis.
Figure 114 on page 338).
338).
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