Standards
- ANSI/TIA/EIA 942 (TIA 942) "Telecommunications Infrastructure Standard for Data Center" (2005 r.)
- Rules for Electrical Installation device (PUE)
- CH-512-78 (building standart) "Instructions for the building and room design for electronic computers" (edition of 2000 year)
|
TIER I |
TIER II |
TIERIII |
TIER IV |
ЦОД BEMOBILE |
|
|
Energy input |
One |
One |
One active and one reserved |
Two active |
Two active |
|
Component reserving |
N |
N, N+1 |
N+1 |
2*(N+1) |
N+1 - 2*(N+1) |
|
Devision into autonomous units |
No |
No |
No |
Yes |
Yes |
|
Uninterrupted cooling |
No |
No |
Possible |
Yes |
Yes |
| Hot change |
No |
No |
Yes |
Yes |
Yes |
|
Staff per duty |
No |
Min 1 engineer |
Min 2 engineers |
>2 engineers, 24х7 |
>2 engineers, 24х7 |
|
Load on the floor, kg/m2 |
600 |
800 |
1200 |
1200 |
1200 |
|
Service access |
99,67% |
99,75% |
99,982% |
99,995% |
On client demand |
|
Max time of dead time per year, h |
28,8 |
22 |
1,6 |
0,4 |
On client demand |
|
*Average power per rack, kWt |
<2 |
<4 |
>6 |
>8 |
On client demand |
|
*Max power per rack, kWt |
<4 |
<8 |
>15 |
>20 |
> 25 |
