Installation Scenarios - Huawei DBS3900 LTE Installation Manual

RRU3260
Installation Guide
Indicator
CPRI1

3.4 Installation Scenarios

An RRU can be installed on a pole, U-steel, angle steel, or IFS06. Installation scenarios must
meet heat-dissipation and waterproofing requirements of the RRU.
Requirements for the Installation Scenarios
Application scenarios:
To ensure proper heat dissipation of the RRU, the following requirements must be met:
l
l
l
l
In improper installation scenarios, the heat dissipation efficiency decreases and therefore the
RRU may not work properly.
Issue ()
Color
Red or
green
The RRU cannot be installed in an enclosed cabinet without a cooling system.
The RRU cannot be installed in an enclosed camouflage box.
The RRU cannot be installed in an enclosed equipment room without a cooling system.
When multiple RRUs are installed in centralized mode, the minimum clearance
requirements must be met. For details about the minimum clearance requirements, see
Clearance for Multiple RRUs
CAUTION
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Status Meaning
Steady off The optical module cannot be detected, or the
optical module is powered off.
Steady green The CPRI link is functioning properly.
Steady red An optical module fails to transmit or receive
signals because the optical module is faulty
or the fiber optic cable is broken.
Blinking red (on The CPRI link is out of lock because of a
for 1s and off for failure in clock lock between two modes or
1s) mismatched data rates over CPRI ports.
Steady off The optical module cannot be detected, or the
optical module is powered off.
and 3.5.3 Installation Spacing Between
Figure 3-6 shows an improper installation scenario.
3 Information About the Installation
RRUs.
3.5.2
12