Sun Microsystems Netra T4 AC100, Руководство по обслуживанию и системе

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B-4 Netra T4 AC100/DC100 Service and System Reference Manual • August 2001
B.2.2.3 Overcurrent Protection Requirements
■
Overcurrent protection devices must be provided as part of each host equipment
rack.
■
Two 20 A single-pole, fast trip, DC-rated circuit breakers (one per ungrounded
supply conductor) must be located in the negative supply conductor between the
DC power source and the Netra T4 DC100 system.
■
Circuit breakers must not trip when presented with inrush current of 20 A lasting
250 ms.
B.3 Environmental Specification
This section defines the principal operating requirements and limitations.
B.3.1 Operating and Storage
Normal Ambient Temperature
Normal Ambient Humidity
Operating 5˚C to 45˚C
Storage –40˚C to 70˚C
Operating 5% to 85% (non-condensing) subject to a maximum absolute humidity of
0.024 kg
water
/kg
dry air
(5 to 90% for a maximum of 96 consequtive hours)
Storage 10% to 95% subject to a maximum absolute humidity of
0.024 kg
water
/kg
dry air