HP LH4r HP Netserver LXr 8500 Rack Cabling Guide - Page 49

Step 5: Powering Up and Powering Down the, Components in the Rack

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Chapter 3 Procedure for Connecting and Routing Cables to the LXr 8500 bind, adjust as necessary. Repeat until the Cable Management Arm extends and retracts smoothly. 8. Secure the server to the front of the rack with screws and rack nuts and replace the bezel. See the HP NetServer LXr 8500 Installation Guide for details. Step 5: Powering Up and Powering Down the Components in the Rack Follow the Power Up Sequence to minimize inrush currents and prevent breakers from tripping. Power Up Sequence 1. Power on peripherals one at a time, beginning with the tape back-up unit, continuing with the mass storage units, monitor, and the rest. 2. If an HP Console Switch is present, it must be on before the server is turned on. Otherwise the server will not detect all the required components and will likely report an error. 3. Lastly, power on one server at a time, waiting for fan units in one to spin up before powering on the next (if more than one is present in the rack). Power Down Considerations To power off the equipment, ensure that network users are properly warned. No specific order is necessary when powering off rack-optimized servers and associated components. However, to do so in an orderly way, you should bring down the operating system, then power off peripherals, then turn off servers. WARNING The HP NetServer LXr 8500 is connected to standby power even when power is turned off. Do not open the system for maintenance except if you have removed the power cord or powered down the PCI slot in software. 45

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Chapter 3
Procedure for Connecting and Routing Cables to the LXr 8500
45
bind, adjust as necessary. Repeat until the Cable Management Arm extends
and retracts smoothly.
8.
Secure the server to the front of the rack with screws and rack nuts and
replace the bezel. See the
HP NetServer LXr 8500
Installation Guide
for
details.
Step 5: Powering Up and Powering Down the
Components in the Rack
Follow the Power Up Sequence to minimize inrush currents and prevent breakers
from tripping.
Power Up Sequence
1.
Power on peripherals one at a time, beginning with the tape back-up unit,
continuing with the mass storage units, monitor, and the rest.
2.
If an HP Console Switch is present, it must be on before the server is
turned on. Otherwise the server will not detect all the required components
and will likely report an error.
3.
Lastly, power on one server at a time, waiting for fan units in one to spin
up before powering on the next (if more than one is present in the rack).
Power Down Considerations
To power off the equipment, ensure that network users are properly warned. No
specific order is necessary when powering off rack-optimized servers and
associated components. However, to do so in an orderly way, you should bring
down the operating system, then power off peripherals, then turn off servers.
WARNING
The HP NetServer LXr 8500 is connected to standby power
even when power is turned off. Do not open the system for
maintenance except if you have removed the power cord or
powered down the PCI slot in software.