Filter
Top Products
AlphaServer DS20 Pedestal–Rackmount Windows NT
Alpha Servers 2.17
System Specifications
Shipping Dimension
Height
Width
Depth
Weight
60 cm (23.8 in.)
43 cm (16.9 in)
65 cm (25.6 in)
43 kg (95 lb) typical
71 kg (156 lb) maximum
Installed Dimensions
Height
Width
Depth
Weight
46 cm (18.1 in.)
35.8 cm (14.1 in.)
58.6 cm (23.1 in.)
39 kg (86 lb) typical
51 kg (113 lb) maximum
Clearances Operating Service
Front
Rear
Sides
75 cm (29.5 in.)
15 cm (6 in.)
None
75 cm (29.5 in.)
75 cm (29.5 in.)
75 cm (29.5 in.)
Environmental
Temperature Operating*
Rate of change
Nonoperating
Storage (60 days)
Rate of change
10 40° C (50 104° F)
11° C/hr (20° F/hr)
-40 66° C (-40 151° F)
-40 66° C (-40 151° F)
20° C/hr (36F/hr)
Relative humidity Operating
Nonoperating
Storage (60 days)
Rate of change
10–90%
10–95%
10–95%
20%/hr
Maximum wet bulb temperature Operating
Storage (60 days)
28° C (82° F)
46° C (115°F)
Minimum dew point temperature Operating
Storage (60 days)
2° C (36° F)
Not tested
Maximum heat dissipation
Dual supply
Current
4097 Btu/hr
Air flow and quality Intake location
Exhaust location
Particle size
Concentration
Front
Rear
N/A
N/A
Altitude Operating
†
Nonoperating
3048 m (10,000 ft)
12192 m (40,000 ft)
Mechanical shock Operating
Nonoperating
10 G 10 ms
20 G peak 30 ms
Vibration Operating
Nonoperating
10-500 Hz
.
1 G peak
1.03Grms 5-300Hz
Acoustics
Operating
Idle
AverageDeclared
5.7 L
wA
, B 38 L
p
A
m
, dba
5.6 L
wA
, B 37 L
p
A
m
, dba
Electrical—Power Supplies are universal, PFC, auto Ranging, 100/240 Vac
Nominal ac voltage
Operating Voltage range
Power source phase
Nominal frequency
Frequency range
Maximum inrush current per line core
RMS current (maximum)
Sin
g
le power suppl
y
(Sin
g
le cord set)
Dual power suppl
y
(Multiple cord set)
RMS current (typical)
100-120 Vac
90-128 Vac
Single
60 Hz
59-61 Hz
11 Amps
12 Amps
7.4 Amps each supply
11.7 Amps @ 100Vac
9.3 Amps @ 120Vac
220-240 Vac
180-256 Vac
Single
50 Hz
49-51 Hz
22 Amps
5 Amps
3.7 Amps each supply
4.9 Amps @ 220Vac
4.4 Amps @ 240Vac
Power cord Type
Length
U.S. plug
IEC 320 C13
190 cm (75 in.)
NEMA 5-15