Installation Scenarios - Huawei RRU3971 Installation Manual

Indicator

3.4 Installation Scenarios

An RRU can be installed on a pole, U-steel, angle steel, wall, 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
l
If the RRU is inappropriately installed, heat dissipation of the RRU deteriorates and the RRU
may not work properly, as shown in
Issue ()
Color
NOTE
VSWR indicators on RRUs providing one or more than two TX channels have two types of status:
l Steady off: No VSWR alarm is generated.
l Steady on: VSWR alarms are generated on one or more ports.
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 Three or More RRUs
RRU mounting kits in assembled installation mode are not allowed in indoor scenarios.
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Status Meaning
Steady red An optical module fails to receive or transmit
signals possibly because the optical module
is faulty or the optical fiber is broken.
Blinking red (on The CPRI link is out of lock because of faults
for 1s and off for on the mutual lock of dual-mode clock
1s) sources or mismatched data rates on CPRI
ports.
Steady off The optical module cannot be detected or is
powered off.
and 3.5.3 Installation Spacing Between
Figure 3-5.
3 Information About the Installation
3.5.2
RRUs.
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