Powering On A Dc-Powered Mx204 Router - Juniper MX204 Hardware Manual

MX204 3D Universal Edge Router Hardware Guide

Powering On a DC-Powered MX204 Router

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To power on a DC-powered router:
Verify that an external management device is connected to the
1.
chassis.
Turn on power to the external management device.
2.
Verify that the power supply modules are fully inserted in the chassis.
3.
Verify that the source power cables are connected to the appropriate terminal: the
4.
positive (+) source cable to the return terminal (labeled
source cable to the input terminal (labeled
Switch on the dedicated customer-site circuit breakers to provide power to the DC
5.
power cables.
Check that the status LED on the power supply faceplate is lit steadily green to verify
6.
that power is present.
If power is not present:
7.
Verify that the fuse is installed correctly, and turn on the breaker at the battery
distribution fuse board or fuse bay.
Check the voltage with a meter at the terminals of the power supply for correct
voltage level and polarity.
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
8.
ESD points on the chassis.
Observe the status LED on each power supply faceplate. If a DC power supply is
9.
correctly installed and functioning normally, the status LED lights green steadily.
If the status LED on the power supply is unlit, the power supply is not functioning
normally. Repeat the installation and cabling procedures.
port on the
CON
) and the negative (–)
RTN
).
–48V
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