Juniper QFX10016, Hardware Manual

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SEE ALSO
General Safety Guidelines and Warnings
Grounded Equipment Warning
Connect AC Power to a QFX Modular Chassis
Before you begin to connect power to the switch, be sure you understand how to prevent ESD damage.
See
Prevention of Electrostatic Discharge Damage
.
After you ground the chassis, add power supplies, and supply power to the chassis, the system initiates
the power-on sequence. This sequence can start incrementally with a single power supply, but it is not
recommended that you bring up a QFX system with less than three power supplies.
To connect AC power to a QFX modular chassis:
1. Connect the chassis to earth ground (see
Connect the QFX10008 or QFX10016 to Earth Ground
).
CAUTION: To meet safety and electromagnetic interference (EMI) requirements and to
ensure proper operation, a QFX modular chassis must be adequately grounded before
it is connected to power.
For installations that require a separate grounding conductor to the chassis, use the
protective earthing terminal on the rear panel of the QFX10008 or QFX10016 to
connect to the earth ground.
A QFX modular chassis gets additional grounding when you plug the power supply in
the switch into a grounded AC power outlet by using the AC power cord appropriate
for your geographical location. See
QFX10000 Power Cables Specifications .
2. Install power supplies in the switch and apply power. See
How to Install a QFX10000-PWR-AC
Power Supply and How to Install a JNP10K-PWR-AC2 Power Supply .
Connect DC Power to a QFX10008 or QFX10016
The overall process of bringing up a DC-powered chassis involves the proper cabling of the individual
power supplies, adding the power supplies to the chassis, and supplying power. The power-on sequence
can start incrementally with a single power supply, but it is not recommended that you bring up a QFX
modular chassis system with less than three power supplies.
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