User guide

A–8 Specifications
Hitachi Unified Storage VM Block Module Hardware User Guide
Environmental specifications
The following table lists the specifications of the environmental conditions
needed to support the HUS VM storage system.
Table A-8: HUS VM environmental specifications
Three USA NEMA L15 30P
twistlock
pole, 4 wire
A + B + C + gnd
240 V 30 A per
phase
6 UL489 15 A
2 pole
2 pole, 3 wire
220 VAC
A-B or B-C + gnd
APAC IEC 309, blue
3 pole, 4 wire
A + B + C + gnd
240 V 30 A per
phase
6 UL489 15 A
2 pole
2 pole, 3 wire
220 VAC
A-B, A-C, or B-C +
gnd
EMEA IEC 309, red
4 pole, 5 wire
A + B + C + Neut
+ gnd
415 V 16 A per
phase
316 A
2 pole
1 pole, 3 wire
200 VAC
A-N or B-N or
C-N + gnd
Required number of plugs in each
PDU for each controller chassis or
drive box
Controller chassis Drive box Same power cord
and plug for all
power supplies
11
Required number of PDUs per rack Controller rack
4
Drive rack
4
Same power cord
and plug for all
PDPs
NOTE: The numbers in this table were taken from the PDU manufacturer’s specifications.
Phase Location PDU Plug
Max
Voltage
Rating
Max
Current
Rating
No. of CB
per PDU
Breaker
Rating
Power Supply
Receptacle
Item Operating
1,2
Not Operating
3
Shipping and Storage
4
Temperature
(ºF / ºC)
SFF drive box
50 to 104 / 10 to 40
-18 - 122 / -10 to -50 -45 - 110 / -25 to 60
Relative Humidity (%)
5
20 to 80 8 to 90 5 to 95
Max. Wet Bulb (ºF / ºC) 78.8 / 26 80.6 / 27 84.2 / 29
Temperature deviation
per hour) (ºF / ºC)
50 / 10 50 / 10 68 / 20
Temperature
(ºF / ºC)
SFF drive box
50 to 104 / 10 to 40
-18 - 122 / -10 to -50 -45 - 110 / -30 to 60
Vibration
to 10Hz: 0.25 mm
5 to 10Hz: 0.25mm
10 to 300 Hz
0.49 m/s
2
5 to 10 Hz: 2.5 mm
10 to 70 Hz: 4.9 m/s
2
70 to 99 Hz: 0.05 mm
99 to 300 Hz: 9.8 m/s
2
Sine Vibration:
4.9 m/s
2
, 5 min.
At the resonant
frequency with the
highest displacement
found between 3 to 100
Hz
6
Random Vibration
7
0.147 m2/s3
30 min, 5 to 100 Hz