Juniper MX2010, Hardware Manual

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Powering Off the DC-Powered 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 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.
user@host>
request system halt both-routing-engines
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.
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.
user@host>
request vmhost power-off
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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