• Preventing Electrostatic Discharge Damage to an MX240 Router on page 444
• DC Power Cable Specifications for the MX240 Router on page 160
Powering Off the MX240 Router
NOTE: After powering off a power supply, wait at least 60 seconds before
turning it back on.
To power off the router:
1. On the external management device connected to the Routing Engine, issue the
requestsystem haltboth-routing-engines operational mode command. Thecommand
shuts down the Routing Engines cleanly, so 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. For more information about the command, see the CLI Explorer.
3. Attach an 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.
Related
Documentation
Powering On an AC-Powered MX240 Router on page 200•
• Powering On a DC-Powered MX240 Router with Normal Capacity Power Supplies on
page 204
• Preventing Electrostatic Discharge Damage to an MX240 Router on page 444
Connecting an MX240 AC Power Supply Cord
To connect the AC power cord:
1. Locate a replacement power cord with the type of plug appropriate for your
geographical location (see “AC Power Cord Specifications for the MX240 Router” on
page 140).
2. Connect the power cord to the power supply.
3. Insert the power cord plug into an external AC power source receptacle.
Copyright © 2017, Juniper Networks, Inc.206
MX240 3D Universal Edge Router Hardware Guide
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