Huawei DBS3900 Installation Manual page 29

DBS3900 LampSite
Installation Guide
Specifi
cations
Operati
ng
tempera
ture
Relativ
e
humidit
y
Altitude N/A
Other Running Environment Specifications







Issue 08 (2016-05-30)
Installation
Scenario
Installed on a
wall or in a
19-inch rack.
Installed in a
shelf.
Installed in all
scenarios.
Installing more than one RHUB, 1 U space is required between two RHUBs.
The RHUB cannot be installed at an air outlet of the heat dissipation box of an air
conditioner or other heat-generating appliances.
The RHUB cannot be installed near a strong heat source.
The RHUB cannot be installed in a position with water dripping, such as outdoor
equipment of air conditioners, pipe, and leaking or dripping roofs.
The installation position must be far from rains. If the RHUB is installed on a wall, there
must be no window on either side of the wall.
The installation position must be far away from high voltage, highly corrosive devices,
flammable or explosive substances, and electromagnetic interference such as power
stations, high-voltage substations, and wired TV towers.
The RHUB must be installed in a dry, ventilating, and dust-proof place.
If the RHUB is installed in parking areas or basements, the installation position must be
well-ventilated.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
RHUB
Condition
Quantity
N/A -5° C to
+50° C
1 -5° C to
+45° C
-5° C to
2
+43° C
3 -5° C to
+40° C
N/A 5% RH to
95% RH
N/A -60 m to
+1800 m
1800 m to
4000 m
6 Installing an RHUB
Remarks
N/A
N/A
N/A
N/A
N/A
Works properly.
Above the 1800 m altitude,
the maximum operating
temperature decreases by
1° C each time the altitude
increases by 220 m.
22