Powering Off The Dc-Powered Mx2020 Router - Juniper MX2020 Hardware Manual

MX2020 3D Universal Edge Router Hardware Guide
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Powering Off the DC-Powered MX2020 Router

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138
NOTE: If the system is completely powered off when you power on the
PSM, the Routing Engine boots as the PSM completes its startup sequence.
Normally, the router boots from the Junos OS on the CompactFlash card.
To power off the system after the Routing Engine finishes booting, see
"Powering Off the DC-Powered MX2020 Router" on page
Verify the MX2020 router power up, system initialization, and status, see
13.
Configuring the MX2020 Router" on page
Connecting the MX2020 Router to Management and Alarm Devices on page 109
Preventing Electrostatic Discharge Damage to an MX2020 Router on page 320
Replacing an MX2020 DC Power Supply Module on page 269
Replacing an MX2020 DC Power Distribution Module on page 264
NOTE: After powering off a PSM, wait at least 60 seconds before turning it
back on.
To power off the router:
On the external management device connected to the CB-RE, issue the
1.
halt both-routing-engines
the Routing Engine cleanly, so their state information is preserved. If the router contains
only one CB-RE, issue the
user@host> request system halt both-routing-engines
Wait until a message appears on the console confirming that the operating system
2.
has halted. For more information about the command, see the
and Services Command Reference
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
3.
the strap to one of the ESD points on the chassis.
Move the DC power switch on the DC PSM faceplate for each DC PSM to the off (
4.
position, and move the DC circuit breaker from the power source input for each DC
PDM to the ( OFF ) position.
Preventing Electrostatic Discharge Damage to an MX2020 Router on page 320
Grounding the MX2020 Router on page 116
Powering On the DC-Powered MX2020 Router on page 136
139, and
operational mode command. The command shuts down
command.
request system halt
.
Copyright © 2013, Juniper Networks, Inc.
138.
"Initially
request system
Junos OS System Basics
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