Figure 74: Connecting DC Power to the Router
Related
Documentation
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
• DC Power Cable Specifications for the MX240 Router on page 160
Powering On a DC-Powered MX240 Router with Normal Capacity Power Supplies
To power on a DC-powered MX240 Router with normal capacity power supplies:
1. Verify that an external management device is connected to one of the Routing Engine
ports (AUX, CONSOLE, or ETHERNET).
2. Turn on the power to the external management device.
3. Verify that the power supplies are fully inserted in the chassis.
4. Verify that the source power cables are connected to the appropriate terminal: the
positive (+) source cable to the return terminal (labeled RTN) and the negative (–)
source cable to the input terminal (labeled –48V).
5. Switch on the dedicated customer site circuit breakers to provide power to the DC
power cables.
6. Check that the INPUT OK LED is lit steadily green to verify that power is present.
Copyright © 2017, Juniper Networks, Inc.204
MX240 3D Universal Edge Router Hardware Guide
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