Figure 76: Connecting DC Power to the Router
Related
Documentation
DC Power Cable Specifications for the MX480 Router on page 173•
• Preventing Electrostatic Discharge Damage to an MX480 Router on page 484
Powering On a DC-Powered MX480 Router with Normal Capacity Power Supplies
To power on a DC-powered router:
1. Verify that an external management device is connected to one of the Routing Engine
ports (CONSOLE, AUX, or ETHERNET).
2. Turn on the power to the external management device.
3. Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
ESD points on the chassis.
4. Verify that the power supplies are fully inserted in the chassis.
5. Verify that the source power cables are connected to the appropriate terminal: the
positive (+) source cable to the return terminal (labeled RETURN) and the negative
(–) source cable to the input terminal (labeled -48V).
6. Switch on the dedicated customer site circuit breakers to provide power to the DC
power cables.
Copyright © 2017, Juniper Networks, Inc.224
MX480 3D Universal Edge Router Hardware Guide
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