63
Technical Product Specification
Specifications
The ZT 5085 platform is designed to meet NEBS and ETSI requirements. Although the ZT 5085 is
designed for NEBS-compliance, due to its high power requirements, the system may deviate from
NEBS in order to align itself with industry power requirements and trends.
Acoustic Sound Pressure: 55.1 dBA with fans operating in normal mode (80 percent of full speed
capabilities).
Power Density is 104 W/U (Watts per Rack Unit)
summarizes the environmental specifications for the ZT 5085. The environmental
specifications were derived from the appropriate NEBS and ETSI specifications. Samples were
subjected to the environmental parameters listed below and successfully met the requirements.
A.3
Electrical Specifications
The ZT 5085's configuration options allow either an AC or DC power input panel.
AC input voltage:
100-230 VAC continuous, 50-60 Hz, 20 A total current
DC input voltage:
-40 V to -60 VDC, 50 A total current
Fan voltage:
12 VDC
Table 13. Chassis Environmental Specifications
Parameter
Description
Minimum Operating Temperature
+5
°
C (-5
°
C short term)
Maximum Operating Temperature
40
°
C (50
°
C short term)
Storage Temperature
-40
°
C to 70
°
C
Non-Condensing Relative Humidity
90% non-condensing relative humidity at 40
°
C
Shock - Unpackaged
2 inches at 81 lbs (standard configuration)
Shock - Packaged
9 inches at 106 lbs (standard configuration)
Vibration - Unpackaged
5 Hz to 500 Hz at 2.20g RMS random
Vibration - Packaged
5 Hz to 500 Hz at 1.09g RMS random
ESD
0-15kV air discharge / 0-8kV contact discharge
Acoustics
55.1 dBA sound pressure level
†
Fan Life Expectancy
50,000 hrs (at 40
°
C and 15-65% RH)
Operating Shock
Subjected to Earthquake Zone 4 waveform “VERTEQII” per
NEBS-63-CORE
Non-Operating Vibration
5 to 100 Hz at 0.1 g and 100 to 500 Hz at.25 g5 to 300 Hz at
1.03 g
Operating Vibration
5 to 100 Hz at 0.1 g sine16 to 200 Hz at 1.25 g sine
Cooling
300 LFM/slot
†
The system passed the System Acoustic Sound Pressure test when the fans were set to nominal speed
(80%), but the system does not meet the sound pressure limits required for telecommunications
equipment when the fans are running at high speed (100%). Sound pressure measurements were made
in all four bystander positions for the Fort Collins server unit. The Sound Pressure Limit of 60 dBA was
never exceeded in any measurements when the fans were set to nominal speed (80%). In some
instances, the EUT did not produce significant noise in all bands. Therefore, the true noise values for
those bands was not determined.
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