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Zorluk: OrtaPhysical Security Controls and Environmental Measures

An IT technician working in a newly commissioned remote network facility reports experiencing frequent static electric shocks when touching metallic server racks. Subsequent monitoring reveals that the temperature is maintained at 20∘C20^{\circ}\text{C}, but relative humidity levels inside the room have dropped to 15%15\%. Which of the following environmental security controls should be adjusted to minimize electrostatic discharge (ESD) risks to sensitive network hardware?

  1. Increase the environmental relative humidity level to maintain a range between 40% and 55%.Cevap
  2. B
    Decrease the HVAC cooling temperature setpoint to 15°C to reduce thermal static generation.
  3. C
    Reconfigure the facility HVAC system to operate under negative pressure relative to the exterior environment.
  4. D
    Install a clean-agent gaseous fire suppression system inside the network equipment enclosures.

Cevap

Increase the environmental relative humidity level to maintain a range between 40% and 55%.
Increasing relative humidity to 40%-55% provides sufficient moisture in the air to continuously drain ambient static charges before high-voltage electrostatic discharges occur. This mitigates hardware damage risks while staying below thresholds that cause condensation.

Adım Adım Çözüm

1
Analyze the reported physical environment issue
Low relative humidity (15%15\%) allows electrical charges to accumulate easily on metallic surfaces and personnel, creating a high risk of ESD damage.
Air with extremely low humidity lacks the conductive moisture film necessary to dissipate static charges harmlessly into the ground.
2
Evaluate humidity management standards for data centers
Industry standards recommend maintaining relative humidity between 40% and 55% (or keeping the dew point between 5.5∘C5.5^{\circ}\text{C} and 15∘C15^{\circ}\text{C}).
Maintaining humidity within this target window reduces static charge generation while preventing excess moisture condensation.
3
Select the appropriate environmental control
Increasing humidity via the HVAC humidifier remediates ESD risks directly.
This directly targets the root cause of static electricity accumulation without introducing environmental hazards.

Anahtar Kavram

Environmental Controls and Humidity Management for ESD Mitigation
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Konular

Physical Security Controls and Environmental Measures

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