SNR RDC-48-540-STD [6/15] Vi other requirements
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SNR RDC-48-540-STD [6/15] Vi other requirements

SNR RDC-48-540-STD [6/15] Vi other requirements
Page 6 of 15
VI. Other Requirements
No. Items Requirements Remarks
1 Noise Less than 50dB
2 Hot swappable
Support hot swappable. No influence to input/ output
when hot swap.
3 Failure separation
Reliable separation when one module fails, and no
influence to the other module.
4
Remote compensation
None
5
Voltage drop for
distribution unit
Less than 0.3V
Differential mode 3KA/common mode 5KA for ± 5
times.
6
Lightning protection
Series connection fuse with protective loop.
Waveform 8/20us，no
destruction
Remarks: Requirements for noise testing:
1. Put testing sample with full arrangement on the state of non- package and non-electricity to the center of
EMC darkroom.
2. Wipe off all the background noise in the darkroom.
3. Test the sample noise when electricity is put on and fan rotates with max speed.
4. Make psophometer 0.6m away from shelf, and 1.5m from ground, and then test four facets of sample.
VII. Safety & EMC
No. Items Criteria Remarks
Input—Output 3000Vac/15mA/1min
Input—Ground 1800Vac/10mA/1min
1
Dielectric
Strength
Output—Ground 500Vac/10mA/1min
No flashover and
breakdown. It is right to use
DC which is peak of AC
voltage.
Input—Output ≥10MΩ@500Vdc
Input—Ground ≥10MΩ@500Vdc
2
Isolation
Resistance
Output—Ground ≥10MΩ@500Vdc
Under normal atmospheric
pressure, relative humidity is
90%, testing voltage is
500Vdc.
3 Ground Fault Current <3.5mA
Input to ground
4 Resistance to ground <0.1Ω
Connect 40A/2min to the
metal case and NW
5 Safety
Design meets UL60950 and EN60950,
and final product meets TUV, CE and UL
UL60950/EN60950/
CE MARK
CE CLASS B EN55022
RE CLASS B EN55022
ESD LEVEL 3 EN61000-4-2
RS 10V/m EN61000-4-3
CS 10V EN61000-4-6
EFT LEVEL 3 EN61000-4-4
6
EMC
SUGER LEVEL 4 EN61000-4-5

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