are recommended to minimize the risk of hardware corrosion and degradation. In
general, the humidity fluctuations within the data center should be minimized. It is also
recommended that the data center be positively pressured and have air curtains on
entry ways to prevent outside air contaminants and humidity from entering the
facility.
For facilities below 40% relative humidity, it is recommended to use grounding straps
when contacting the equipment to avoid the risk of Electrostatic discharge (ESD),
which can harm electronic equipment.
As part of an ongoing monitoring process for the corrosiveness of the environment, it
is recommended to place copper and silver coupons (per ISA 71.04-1985, Section 6.1
Reactivity), in airstreams representative of those in the data center. The monthly
reactivity rate of the coupons should be less than 300 Angstroms. When monitored
reactivity rate is exceeded, the coupon should be analyzed for material species and a
corrective mitigation process put in place.
Storage time (unpowered) recommendation: do not exceed 6 consecutive months of
unpowered storage.
Technical specifications
26 Unity 480/F, Unity 680/F, Unity 880/F Hardware Information Guide
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