Juniper MX960 Hardware Manual page 271

Copyright © 2017, Juniper Networks, Inc.
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.
On each of the DC power supplies, switch the DC circuit breaker to the center position
9.
before moving it to the on (
NOTE: The circuit breaker may bounce back to the off (
move the breaker too quickly.
Verify that the
10. BREAKER ON
Verify that the
11. PWR OK
installed and functioning normally.
NOTE: After a power supply is powered on, it can take up to 60 seconds
for status indicators—such as the status LEDs on the power supply and
the
show chassis
functioning normally. Ignore error indicators that appear during the first
60 seconds.
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
12.
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. To power off the system after the Routing Engine finishes booting,
see "Powering Off the MX960 Router" on page
Chapter 17: Connecting the MX960 Router to Power
| ) position.
LED is lit green steadily.
LED is lit green steadily, indicating the power supply is correctly
command display—to indicate that the power supply is
) position if you
O
242.
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