IBM 866011U - Netfinity 5500 - 8660, Hardware Maintenance Manual

Page: 84 / 402

– 6.4 bel for typical system configuration (3 hard
disk drives installed)
Ÿ
Sound pressure, idling
– 45 dBA for open bay system (no hard disk drives
installed)
– 45 dBA for typical system configuration (3 hard
disk drives installed)
Ÿ
Sound pressure, operating
– 45 dBA for open bay system (no hard disk drives
installed)
– 46 dBA for typical system configuration (3 hard
disk drives installed)
These levels are measured in controlled acoustical
environments according to ISO 7779, and are reported in
accordance with ISO 9296. The declared sound power
levels indicate an upper limit, below which a large portion
of machines operate. Sound pressure levels in your
location might exceed the average values stated because
of room reflections and other nearby noise.
Electrical Input
Ÿ
Sine-wave input (50
±
or 60
±
Hz) is required
Ÿ
Input voltage
–
Low range
- Minimum: 90 V ac
- Maximum: 137 V ac
– High range
- Minimum: 180 V ac
- Maximum: 265 V ac
– Input kilovolt-amperes (KVA) approximately
- Minimum configuration as shipped: 0.2
KVA
- Maximum configuration: 0.78 KVA
Electrostatic Discharge
Ÿ
Tested to 14 KV
Immunity
Ÿ
Verified to comply with EN 50082-2
Safety Standards
Ÿ
UL 1950
Ÿ
CSA C22.2 No. 950-M93
Ÿ
EN 60950 and countries deviations
Ÿ
IEC 950
Ÿ
NOM-019
76
Netfinity Server HMM