Seagate ST9120826A Manual Do Utilizador
Momentus 5400 FDE Product Manual, Rev. C
15
2.12
Electromagnetic immunity
When properly installed in a representative host system, the drive operates without errors or degradation in
performance when subjected to the radio frequency (RF) environments defined in the following table:
performance when subjected to the radio frequency (RF) environments defined in the following table:
A - 1) No upset or degradation in performance beyond manufacturer’s specified limits.
2) No data loss.
B - 1) Unit self recovers without user intervention.
2) No data loss.
C - 1) Upset OK provided that unit will function after user intervention.
Table 5:
Electromagnetic immunity
Test
Description
Performance
level
Reference
standard
Electrostatic discharge
Contact, HCP, VCP: ± 4
kV; Air:
± 8 kV
B
EN 61000-4-2: 95
Radiated RF immunity
80 to 2,000 MHz, 10 V/m,
80% AM with 1 kHz sine
900 MHz, 3 V/m, 50% pulse modulation @ 200 Hz
A
EN 61000-4-3: 96
ENV 50204: 95
Electrical fast transient
± 1 kV on AC mains, ± 0.5 kV on external I/O
B
EN 61000-4-4: 95
Surge immunity
± 1 kV differential, ± 2 kV common, AC mains
B
EN 61000-4-5: 95
Conducted RF immunity
150 kHz to 80 MHz, 3 Vrms, 80% AM with 1 kHz
sine
sine
A
EN 61000-4-6: 97
Power Frequency H-field
immunity
immunity
1 A/m, 50Hz/60Hz, 3 axes
A
EN 61000-4-8: 97
Voltage dips, interrupts
30% Reduction for 25 cycles
>95% Reduction for 250 cycles
>95%, 0.5 cycles
C
C
B
EN 61000-4-11: 94