Quick Operation Guide of DS-A81 Series Storage System
5
Chapter 2 Installation and Working
Environment
The device described in this manual should be installed in a standardized equipment room.
2.1 Power Supply System
The storage system is very sensitive to the change of a voltage, and an excessive high or low
voltage, or a sudden change of the voltage may delete the data in the memory or even cause the
damage of the components. To avoid of such damage, you must ensure the pure power supply
and the power must be grounded. You are recommended to use the UPS, or the multiple power
supply if permitted.
Requirements:
The voltage should be 110V~220V+/-4%, and the sudden change cannot be more than
110V~220V +/-15%; Frequency: 50~60Hz+/-0.5Hz;
Make correct Neutral Line and GND Line connections, and the voltage between them must
be less than 1V.
Grounding for AC power supply system: ensure the GND line is properly connected. The
grounding for the chassis is recommended.
Grounding for DC power supply system: the chassis must be properly grounded.
Connect all power cords before applying power to the redundant power supply module.
The storage system supports management for some UPS models.
2.2 Control of Working Environment
The over-high or over-low temperature and other unsatisfying installation and running
environment factors can cause failures of the chip and mechanical components of the device, and
thus they affect the stable and reliable running of the device as well as the data safety on the
disks. Please follow the measurements shown below to take proper measurements:
Use an air conditioner to control the temperature and the humidity at least 2 or 3 days
before installing the device.
The working environment of the device should meet the temperature of 23 ºC±2 ºC,
humidity of 50%Rh ± 5%Rh and the temperature change rate of <5 ºC/h with
non-condensing.
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