Operating Manual
PRIVATE AND CONFIDENTIAL © 2021 FRTEK CO., LTD.
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39GHz_L 5G Wireless Optical DAS Operating Manual
4.3 Electrical Specification
• Power supplied to MPSU, DRU operates normally on commercial power supply (AC120/60Hz).
• There is overvoltage and over current protection function for the power supply.
• When after momentary power outage occurs, RF set value automatically returns to the status
right before the power outage.
• Equipment grounding is located on both sides of the enclosure.
• All components used on 39GHz_L 5G Wireless Optical DAS satisfies EMI terms of FCC title 47,
part 15, subject J, class A.
• Grounding strap to ground the grounding wire of #6AWG must be attached to the enclosure.
4.4 Environmental Specification
• No condensation traces may appear inside the unit when proceeding specified temperature and
humidity test.
• It should be designed to prevent internal condensation and deterioration due to humidity and
internal/external temperature difference.
• When proceeding specified vibration test, system performance and equipment damage should
not occur.
• When proceeding specified waterproof test, there should be no trace of moisture penetration
inside the unit.
• Environment test should be conducted in accordance with room temperature operation standard
(indoor only, outdoor standard when using enclosure).
• Environment test item and method repetition period should follow operator environmental test
procedure..
39GHz_L 5G Wireless Optical DAS main environment test conditions are as below.
Item
Apply condition
Performance request
Operation
environment
test
In-building
- Temperature : -10 ~ +50C
- Humidity : 0 ~ 90% RH
- Output change : within ±3dB
- Enclosure inside/outside to have
no issue
Outdoor
- Temperature : -25 ~ +55C
- Humidity : 0 ~ 90% RH
- Output change : within ±3dB
- Enclosure inside/outside to have
no issue