Installing An Mx240 Ac Normal-Capacity Power Supply - Juniper MX240 Hardware Manual

Installing an MX240 AC Normal-Capacity Power Supply

To install an AC power supply (see
1. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other
end of the strap to the ESD point on the chassis.
2. Move the AC input switch next to the appliance inlet on the power supply to the off (O) position.
3. 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 should be flush with any adjacent power supply faceplate
or blank installed in the power supply slot.
4. Tighten both captive screws at the bottom of the power supply.
5. Attach the power cord to the power supply.
6. Attach the power cord to the AC power source, and switch on the dedicated customer site circuit
breaker. Follow the instructions for your site.
7. Move the AC input switch next to the appliance inlet on the power supply to the on (|) position and
observe the status LEDs on the power supply faceplate. If the power supply is correctly installed and
functioning normally, the AC OK and DC OK LEDs light steadily, and the PS FAIL LED is not lit.
Figure 134: Installing an AC Power Supply
SEE ALSO
Figure 134 on page 386):
386