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Installation Manual – Hardware Installation
BBU3806 WCDMA Base Band Unit
5.2.2 BBU3806 Weight and Dimensioning
Table 5-1 lists the weight and the dimensioning of BBU3806.
Table 5-1 BBU3806 weight and dimensions
Weight
Dimensions (Unit: mm)
5.3 BBU3806 Installation Modes
BBU3806 supports the following installation modes:
Cabinet-mounted installation
Wall-mounted installation
For more details, see sections 5.5 and 5.6 .
5.4 Setting BBU3806 DIP Switch
There is one DIP switch labeled as "SLOT" on the BBU3806 panel. Use digits 1 and 2
to set the cascading of BBU3806, and digits 3 and 4 to set line impedance.
You may set the DIP switch either before or after installing BBU3806. Setting before
BBU3806 installation is recommended. Table 5-2 lists detailed setting of the DIP
switch.
Table 5-2 BBU3806 DIP switch
Digit 1
OFF
ON
OFF
ON
Parameter
Digit 2
Description
OFF
Active BBU3806
(Default)
OFF
Standby BBU3806
ON
Level 2 extension
BBU3806
ON
Level 3 extension
BBU3806
Huawei Technologies Proprietary
Specification
< 3 kg
Height: 436
Width: 300
Depth: 42
Digit 3
OFF
OFF
ON
ON
5-2
Chapter 5 Installing BBU3806
Digit 4
Description
OFF
120-ohm E1
ON
100-ohm T1
OFF
Reserved
ON
75-ohm E1
(Default value)
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