Remove The Mx240 Routing Engine; Install The Mx240 Routing Engine Into The Scbe2-Mx - Juniper MX240 Hardware Manual

1. On the external management device connected to the Routing Engine, issue the request system halt
both-routing-engines operational mode command. This command shuts down the Routing Engines
cleanly, so that their state information is preserved. (If the router contains only one Routing Engine,
issue the request system halt command.)
user@host> request system halt both-routing-engines
2. Wait until a message appears on the console confirming that the operating system has halted.
3. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to
one of the ESD points on the chassis.
4. 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 (O) position.

Remove the MX240 Routing Engine

1. Remove the cables connected to the Routing Engine.
2. Place an electrostatic bag or antistatic mat on a flat, stable surface.
3. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to
one of the ESD points on the chassis.
4. Loosen the captive screws on the top and bottom of the Routing Engine.
5. Flip the ejector handles outward to unseat the Routing Engine.
6. Grasp the Routing Engine by the ejector handles, and slide it about halfway out of the chassis.
7. Place one hand underneath the Routing Engine to support it, and slide it completely out of the chassis.
8. Place the Routing Engine on the antistatic mat.

Install the MX240 Routing Engine into the SCBE2-MX

1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to
one of the ESD points on the chassis.
2. Ensure that the ejector handles are not in the locked position. If necessary, flip the ejector handles
outward.
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