Seagate ST380020ACE Computer Drive User Manual


 
14 U Series CE Family Product Manual, Rev. A
1.10 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:
1.11 Reliability
1.12 Agency certification
1.12.1 Safety certification
The drives are recognized in accordance with UL 1950 and CSA C22.2
(950) and meet all applicable sections of IEC950 and EN 60950 as tested
by TUV North America.
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 1,000 MHz, 3 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 com-
mon, AC mains
B EN 61000-4-5: 95
Conducted
RF
immunity
150 kHz to 80 MHz, 3 Vrms,
80% AM with 1 kHz sine
A EN 61000-4-6: 97
Voltage dips,
interrupts
0% open, 5 seconds
0% short, 5 seconds
40%, 0.10 seconds
70%, 0.01 seconds
C
C
C
B
EN 61000-4-11: 94
Nonrecoverable read errors 1 per 10
13
bits read, max
Mean time between failures 600,000 power-on hours (nominal power,
25°C ambient temperature)
Contact start-stop cycles 50,000 cycles
(at nominal voltage and temperature, with
60 cycles per hour and a 50% duty cycle)
Preventive maintenance None required