HP LH4r HP Netserver LT 6000r Installation Guide - Page 28

Power On and Power Off Procedures

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Chapter 2 Controls, Indicators, and Ports current at the same time. If the circuit breakers on the incoming power line have insufficient capacity, they might trip, preventing the servers from powering up. When preparing your site for installation, allow for additional inrush current. Follow these circuit breaker recommendations before installing the server at your site: • In North America, use a 20-amp-minimum circuit with one NEMA AB1 class 14B breaker for each 16-amp Power Distribution Unit (PDU). • In Europe: ◊ For a single HP NetServer in a rack, use a 15-amp-minimum circuit with one IEC MCB C-type breaker for each 16-amp PDU. ◊ For multiple HP NetServers in a rack, use a 15-amp-minimum circuit with one IEC MCB D-type breaker for each 16-amp PDU. NOTE Each 16-amp PDU can accommodate a maximum of two HP NetServers. When the proper power supply is available, connect the HP NetServer to the AC power source. Power On and Power Off Procedures Power On 1. Ensure that the NetServer's power cords are connected to a power source, and that the LED on each of the NetServer's power supplies is flashing green. 2. Press the power switch when prompted by the operating system. CAUTION The Power supplies continue to provide standby voltage to the HP NetServer until the power cords are disconnected. 20

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Chapter 2
Controls, Indicators, and Ports
20
current at the same time. If the circuit breakers on the incoming power line have
insufficient capacity, they might trip, preventing the servers from powering up.
When preparing your site for installation, allow for additional inrush current.
Follow these circuit breaker recommendations before installing the server at your
site:
•
In North America, use a 20-amp-minimum circuit with one NEMA AB1
class 14B breaker for each 16-amp Power Distribution Unit (PDU).
•
In Europe:
◊
For a single HP NetServer in a rack, use a 15-amp-minimum circuit
with one IEC MCB C-type breaker for each 16-amp PDU.
◊
For multiple HP NetServers in a rack, use a 15-amp-minimum circuit
with one IEC MCB D-type breaker for each 16-amp PDU.
NOTE
Each 16-amp PDU can accommodate a maximum of two HP
NetServers.
When the proper power supply is available, connect the HP NetServer to the AC
power source.
Power On and Power Off Procedures
Power On
1.
Ensure that the NetServer’s power cords are connected to a power source,
and that the LED on each of the NetServer’s power supplies is flashing
green.
2.
Press the power switch when prompted by the operating system.
CAUTION
The Power supplies continue to provide standby voltage to the
HP NetServer until the power cords are disconnected.