Powering On The Dc-Powered Mx2020 Router - Juniper MX2020 Hardware Manual

Powering On the DC-Powered MX2020 Router

Copyright © 2015, Juniper Networks, Inc.
NOTE: For information about connecting to DC power sources, see the
MX2010 3D Universal Edge Router Hardware Guide
Connect each DC power cable to the appropriate external DC power source.
9.
NOTE: For information about connecting to external DC power sources,
see the MX2010 3D Universal Edge Router Hardware Guide
Switch on the external circuit breakers to provide voltage to the DC power source
10.
cable leads.
NOTE: Each PDM must be connected to a dedicated
breaker for the DC power source. The PDM has a switch to accommodate
DC circuit breaker amperage.
Verify that the power cabling is correct, that the cables are not touching, and that they
11.
do not block access to router components or drape where people could trip on them.
Close the cable restraint cover over the terminal studs, and tighten the captive screws.
12.
To power on a DC-powered router:
Verify that an external management device is connected to one of the Routing Engine
1.
ports on the Control Board and Routing Engine (CB-RE) (
Turn on the power to the external management device.
2.
Verify that the PDMs 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. Follow your site's procedures.
Check that the input labeled (
6.
are installed and functioning normally.
NOTE: Nine input LEDs indicate proper voltage level and polarity of input
feeds.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
7.
the strap to one of the ESD points on the chassis.
Chapter 19: Connecting the Router to Power
–48V ), on the PDMs.
) LEDs are lit green steadily, indicating the PDMs
–48V
.
.
or DC circuit
60A 80A
, , or
AUX CONSOLE MGMT
) and the negative (–)
RTN
273
).