Seagate ST9100826A, ST960814A, ST980821A, ST9120826A, ST940811A manual Electromagnetic immunity

2.12Electromagnetic 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:

Table 5:	Electromagnetic immunity
			Performance	Reference
Test		Description	level	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,	A	EN 61000-4-3: 96
		80% AM with 1 kHz sine
		900 MHz, 3 V/m, 50% pulse modulation @ 200 Hz		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	A	EN 61000-4-6: 97
		sine
Power Frequency H-field		1 A/m, 50Hz/60Hz, 3 axes	A	EN 61000-4-8: 97
immunity
Voltage dips, interrupts		30% Reduction for 25 cycles	C	EN 61000-4-11: 94
		>95% Reduction for 250 cycles	C
		>95%, 0.5 cycles	B

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.

Momentus 5400 FDE Product Manual, Rev. C 15