A.3
Electrical Specifications
Table A–4 Electrical Characteristics – All System Variants
Voltage and Current
Values
Nominal voltage
Voltage range
(temporary condition)
Power source phase
Input current (typical)
Input power
RMS current (max. steady state)
Maximum inrush current (amps)
-48VDC
-36 to –72VDC
Dual power input
7.5 A at –48VDC
160 W (typ.), 350 W (max.)
According to ETS 30-132-2
A.4
Acoustics
Table A–5 gives the acoustic noise declaration for an
AlphaServer
TS15 system with one to
four hard disk drives (HDD).
Table A–5 Acoustics
Acoustics — Declared Values per ISO 9296 and ISO 7779
TS15 with 1-4 HDD
Mode
L
WAd
, B
L
pAm
, dBA
(Bystander positions
per ISO 7779)
L
pAm
, dBA
(Bystander positions
per NEBS)
Idle 6.2
45 47
Operating 6.2
45
47
Idle/operating, high
temperature per ETSI
6.3 46
48
Current values for specific configurations are available from HP representatives.
1 B = 10 dBA.
A-4
hp AlphaServer TS15 Owner's Guide