Supplies; Figure 74: Connecting Dc Power To The Router - Juniper MX240 Hardware Manual

MX240 3D Universal Edge Router Hardware Guide
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Documentation
Powering On a DC-Powered MX240 Router with Normal Capacity Power Supplies
204

Figure 74: Connecting DC Power to the Router

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
To power on a DC-powered MX240 Router with normal capacity power supplies:
Verify that an external management device is connected to one of the Routing Engine
1.
ports ( AUX , CONSOLE , or
Turn on the power to the external management device.
2.
Verify that the power supplies 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
INPUT OK
6.
ETHERNET ).
–48V ).
LED is lit steadily green to verify that power is present.
) and the negative (–)
RTN
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