Power Supplies - Juniper MX960 Hardware Manual

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Connecting Power to a DC-Powered MX960 Router with Normal-Capacity Power
Supplies
Copyright © 2017, Juniper Networks, Inc.
If any of the status LEDs indicates that the power supply is not functioning normally,
repeat the installation and cabling procedures.
On the external management device connected to the Routing Engine, monitor the
9.
startup process to verify that the system has booted properly.
NOTE: If the system is completely powered off when you power on the
power supply, the Routing Engine boots as the power supply completes
its startup sequence. Normally, the router boots from the Junos OS on the
CompactFlash card.
After powering on a power supply, wait at least 60 seconds before turning
it off.
Connecting Power to an AC-Powered MX960 Router with High-Capacity Power Supplies
on page 229
Connecting the MX960 Router to Management and Alarm Devices on page 247
Preventing Electrostatic Discharge Damage to an MX960 Router
Replacing an MX960 AC Power Supply on page 391
Powering Off the MX960 Router on page 242
CAUTION: Do not mix AC and DC power supplies within the same router.
Damage to the router might occur.
WARNING: Before performing DC power procedures, ensure that power is
removed from the DC circuit. To ensure that all power is off, locate the circuit
breaker on the panel board that services the DC circuit, switch the circuit
breaker to the off position, and tape the switch handle of the circuit breaker
in the off position.
You connect DC power to the router by attaching power cables from the external DC
power sources to the terminal studs on the power supply faceplates. You must provide
the power cables (the cable lugs are supplied with the router).
Chapter 17: Connecting the MX960 Router to Power
233