Connecting Dc Power To An Ex9214 Switch - Juniper EX9214 Hardware Manual

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Connecting DC Power to an EX9214 Switch

Copyright © 2015, Juniper Networks, Inc.
Switch, Connecting AC Power to an EX9208 Switch, or
EX9214 Switch" on page
On the external management device, monitor the startup process to ensure that the
9.
system boots properly.
NOTE: After you power on a power supply, wait for at least 60 seconds before
you turn it off. After you power off a power supply, wait for at least 60 seconds
before you turn it back on.
If the system is completely powered off when you switch on a power supply,
the RE module boots as the power supply completes its startup sequence.
If the Routing Engine finishes booting and you need to power off the system
again, first issue the CLI
After you power on a power supply, it can take up to 60 seconds for status
indicators such as power supply LEDs and the
CLI command display to indicate that the power supply is functioning
normally. Ignore any error indicators that might appear during the first 60
seconds.
Installing an AC Power Supply in an EX9204 Switch
Installing an AC Power Supply in an EX9208 Switch
Installing an AC Power Supply in an EX9214 Switch on page 181
You can install four DC power supplies in EX9214 switches.
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
in the OFF position. Verify that the
CAUTION: Before you connect power to the switch, a licensed electrician
must attach a cable lug to the grounding and power cables that you supply.
A cable with an incorrectly attached lug can damage the switch (for example,
by causing a short circuit).
CAUTION: Do not mix different types of power supplies (AC and DC) in the
same chassis.
Chapter 12: Connecting the Switch to Power
145.
request system halt
position, and tape the switch handle of the circuit breaker
INP0 OK
"Connecting AC Power to an
command.
operational mode
show chassis
and INP1 OK LEDs are off.
149