Power On The Mx240 Router - Juniper MX240 Hardware Manual

3. Place one hand underneath the Routing Engine to support it.
4. Carefully align the sides of the Routing Engine with the guides inside the opening on the SCBE2-MX.
5. Slide the Routing Engine into the SCBE2-MX until you feel resistance and then press the faceplate of
the Routing Engine until it engages the connectors.
6. Press both of the ejector handles inward to seat the Routing Engine.
7. Tighten the captive screws on the top and bottom of the Routing Engine.
8. Connect the management device cables to the Routing Engine.

Power On the MX240 Router

1. Verify that the power supplies are fully inserted in the chassis.
2. Verify that each AC power cord is securely inserted into its appliance inlet.
3. Verify that an external management device is connected to one of the Routing Engine ports (AUX,
CONSOLE, or ETHERNET).
4. Turn on the power to the external management device.
5. Switch on the dedicated customer-site circuit breakers. Follow the ESD and safety instructions for your
site.
6. Attach an ESD grounding strap to your bare wrist and connect the strap to one of the ESD points on
the chassis.
7. Move the AC input switch on the chassis above the AC power supply or the DC circuit breaker on each
DC power-supply faceplate to the off (—) position.
8. Check that the AC or the DC power supply is correctly installed and functioning normally. Verify that
the AC OK and DC OK LEDs light steadily, and the PS FAIL LED is not lit.
417