Juniper EX9214 Hardware Manual page 178

EX9214 Switch Hardware Guide
154
a management device to the management port, see
to a Network for Out-of-Band Management" on page
To power on the switch:
Connect the external management device to the master RE module's Ethernet
1.
management ( ) port.
<...>
Turn on the power to the external management device.
2.
Attach the ESD grounding strap to your bare wrist, and connect the strap to the ESD
3.
point on the chassis.
Verify that the power supplies are fully inserted in the chassis and that each of their
4.
handles is flush against the faceplate.
Verify that the source power cables are connected to the appropriate terminal: the
5.
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
6.
power cables.
Check the LED is lit steadily green to verify that power is present.
7. INPUT OK
If power is not present:
8.
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.
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 might bounce back to the Off
move the breaker too quickly.
If any of the status LEDs indicates that the power supply is not functioning normally,
repeat the installation and cabling procedures. See Connecting DC Power to an EX9204
Switch, Connecting DC Power to an EX9208 Switch, or
EX9214 Switch" on page
Verify that the
BREAKER ON
10.
Verify that the LED glows steady green, indicating the power supply is correctly
11. PWR OK
installed and functioning normally.
If the power supply is not functioning normally, repeat the installation and cabling
procedures.
).
–48V
) position.
—
149.
LED glows steady green.
"Connecting an EX9200 Switch
157.
RTN ) and the negative (–)
) position if you
O
"Connecting DC Power to an
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