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Sun Netra X4250 Server Site Planning Guide • May 2010
Clearance for Service Access
These are the minimum clearances needed for servicing the server.
Environmental Specifications
These are the environmental specifications for the AC and DC versions of the server.
Description
Specification
Clearance, front of server
36 inches (91 cm)
Clearance, rear of server
36 inches (91 cm)
Specification
Operating
Nonoperating
Ambient temperature
*
41˚F to 104˚F (5˚C to 40˚C) up to 6000
feet (1829 meters)
†
–40˚F to 158˚F (–40˚C to 70˚C)
Relative humidity
10% to 90% noncondensing, short term
25˚F to 113˚F (-5˚C to 55˚C)
5% to 90% noncondensing, but not to
exceed 0.024 kg of water per kg of dry
air (0.053 lbs. water/2.205 lbs. dry air)
Up to 93% noncondensing 100.4˚
(37.7˚C) maximum wet bulb
Elevation (Sun requirement)
Maximum 9840 feet (3000 meters) at
104˚F (40˚C)
Maximum 39370 feet (12000
meters)
Elevation (NEBS requirement)
-200 feet to 5900 feet (-60 meters to 1800
meters) at 104˚F (40˚C)
5900 feet to 13100 feet (1800 meters to
4000 meters) at 86˚F (30˚C)
Vibration
DC servers: 0.1G, 5-100 Hz, 0.1 Oct/min
AC servers: 0.1G (x,y axes); 0.15G (z
axis), 5-500 Hz, 1 Oct/min
DC servers: 0.1G, 5-100 Hz, 0.1
Oct/min
AC servers: 0.25G (x,y axes); 0.5G
(z axis), 5-500 Hz, 1 Oct/min
Shock
DC servers: Operating 30 m/s2, 11msec
half-sine
AC servers: 3G, 11msec half-sine
DC servers: Operating 30 m/s2,
11 msec half-sine
AC servers: 1 in. roll off front to
back, 0.5 in. roll off side to side,
20 mm step-up
Seismic
AC server only: Zone 4
Not applicable