8. If the AC power source outlet has a power router, set it to the ON (|) position.
9. Verify that the AC and DC LEDs on each power supply are lit green.
If the amber fault LED is lit, remove power from the power supply, and replace the
power supply (see “Removinga Power Supplyfrom an ACX5000Router” on page138).
Do not remove the power supply until you have a replacement power supply ready:
the power supplies or a blank cover panel must be installed in the router to ensure
proper airflow.
CAUTION: Replacea failed powersupply with a blank panelor new power
supply within 1 minute of removal to prevent chassis overheating.
CAUTION: A system reboot with Routing Engine FPGA version 7.1 might
not successfully boot the Junos OS software. In case of a system reboot
failure, you need to power cycle the router. To check the current FPGA
version, issue the show chassis firmware command.
Related
Documentation
AC Power Supply for an ACX5000 Router on page 37•
• AC Power Supply LEDs on an ACX5000 Router on page 29
Connecting DC Power to an ACX5000 Router
The power supply in an ACX5000 router is a hot-removable and hot-insertable
field-replaceable unit (FRU). You can remove and replace it without powering off the
router or disrupting routing functions.
WARNING: DC-powered ACX5000 routers are intended for installation only
in a restricted access location.
NOTE: The battery returns of the DC power supply must be connected as an
isolated DC return (DC-I).
Before you begin connecting DC power to the router:
•
Ensure that you have taken the necessary precautions to prevent electrostatic discharge
(ESD) damage (see Prevention of Electrostatic Discharge Damage).
•
Ensure that you have connected the router chassis to earth ground.
CAUTION: Before you connect power to the router, a licensed electrician
must attach a cable lug to the grounding andpowercables that you supply.
Copyright © 2015, Juniper Networks, Inc.116
ACX5048 and ACX5096 Universal Access Router
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