Seagate ST380023AS Manual download pdf (Page 27)

Barracuda Serial ATA V Product Manual, Rev. B 17

Note. During periods of drive idle, some offline activity may occur accord-

ing to the S.M.A.R.T. specification, which may increase acoustic and

power to operational levels.

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 fre-

quency (RF) environments defined in the following table:

Table 5: Radio frequency environments

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

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 immu-

nity

150 kHz to 80 MHz, 3

Vrms, 80% AM with 1 kHz

sine

A EN 61000-4-6: 97

Voltage dips, inter-

rupts

0% open, 5 seconds

0% short, 5 seconds

40%, 0.10 seconds

70%, 0.01 seconds

EN 61000-4-11: 94

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Seagate ST380023AS Manual Page 27