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Powering Off the DC-Powered or DC-Powered (240 V China) MX2000 Router

Note:

After powering off a PSM, wait at least 60 seconds before turning it back on.

To power off an MX2010 or MX2020 DC-powered or router:

  1. On the external management device connected to the CB-RE, issue the request system halt both-routing-engines operational mode command. The command shuts down the Routing Engines cleanly, so the state information is preserved. If the router contains only one CB-RE, issue the request system halt command.
  2. Wait until a message appears on the console confirming that the operating system has halted. For more information about the command, see the Junos OS System Basics and Services Command Reference.
  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 DC power switch on the DC PSM faceplate for each DC PSM or DC-Powered (240 V China) to the off (O) position, and move the DC circuit breaker from the power source input for each DC PDM to the (OFF) position.

To power off an MX2008 DC-powered router:

  1. On the external management device connected to the RCB, issue the request vmhost power-off operational mode command individually on both the RCBs. The command shuts down the RCB cleanly, so the state information is preserved.

  2. Wait until a message appears on the console confirming that the operating system has halted. For more information about the command, see the Junos OS System Basics and Services Command Reference.

  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 DC power switch on the DC PSM faceplate for each DC PSM to the off (O) position, and move the DC circuit breaker from the power source input for each DC PDM to the (OFF) position.

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