Juniper MX240 - Installing an MX240 AC Normal-Capacity Power Supply; Figure 151: Removing an AC Power Supply

To remove an AC power supply (see Figure 151 on page 336):
1. Switch off the dedicated customer site circuit breaker for the power supply, and
remove the power cord from the AC power source. Follow the instructions for your
site.
2. Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
ESD points on the chassis.
3. Move the AC input switch next to the appliance inlet on the power supply to the off
(O) position.
4. Remove the power cord from the power supply.
5. Unscrew the captive screws on the bottom edge of the power supply.
6. Pull the power supply straight out of the chassis.
Figure 151: Removing an AC Power Supply
Installing an MX240 AC Normal-Capacity Power Supply
To install an AC power supply (see Figure 104 on page 257):
1. Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
ESD points on the chassis.
2. Move the AC input switchnext 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.
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MX240 3D Universal Edge Router Hardware Guide