Juniper PTX10008 Hardware Manual page 232

Connecting AC Power to a PTX10000
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 PTX10000 system with less than three power supplies.
Before you begin to connect power to the router, be sure you understand how to prevent ESD damage.
See "Prevention of Electrostatic Discharge Damage" on page
To connect AC power to a PTX10000 chassis:
1. Connect the chassis to earth ground (see
CAUTION:
to ensure proper operation, a PTX10000 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 PTX10000 to connect to the
earth ground.
A PTX10000 gets additional grounding when you plug the power supply in the router
into a grounded AC power outlet by using the AC power cord appropriate for your
geographical location. See
2. Install power supplies in the router and apply power. See
Supply" on page 274
SEE ALSO
JNP10K-PWR-AC Power Supply | 61
How to Install a JNP10K-PWR-AC Power Supply | 274
Connecting DC Power to a PTX10000
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
"Connecting Earth Ground to a PTX10000" on page
To meet safety and electromagnetic interference (EMI) requirements and
"PTX10000 Power Cables Specifications" on page
and How to Install a JNP10K-PWR-AC2 Power Supply.
427.
"How to Install a JNP10K-PWR-AC Power
235
232).
172.