Powering On A Dc-Powered Mx5, Mx10, Mx40, And Mx80 Router; Figure 34: Connecting Dc Power To The Router - Juniper MX5 Hardware Manual

MX5, MX10, MX40, and MX80 Universal Routing Platforms Hardware Guide
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Powering On a DC-Powered MX5, MX10, MX40, and MX80 Router

88
CAUTION: You must ensure that power connections maintain the proper
polarity. The power source cables might be labeled
their polarity. There is no standard color coding for DC power cables. The
color coding used by the external DC power source at your site determines
the color coding for the leads on the power cables that attach to the
terminal studs on each power supply.
NOTE: For information about connecting to DC power sources, see
MX10, MX40, and MX80 Routers DC Power Specifications" on page
Replace the clear plastic cover over the terminals on the faceplate.
8.
Verify that the power cables are connected correctly, that they are not touching or
9.
blocking access to router components, and that they do not drape where people could
trip on them.
If you are installing two power supplies, repeat Steps
10.
supply.

Figure 34: Connecting DC Power to the Router

MX5, MX10, MX40, and MX80 Router Grounding Specifications on page 62
To power on a DC-powered router:
Verify that an external management device is connected to one of the Routing Engine
1.
ports ( , , or
AUX CONSOLE
Turn on the power to the external management device.
2.
Verify that the power supplies are fully inserted in the chassis.
3.
).
ETHERNET
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and to indicate
(+) (–)
"MX5,
3 through 9 for the other power
39.