Outdoor Distributed Installation Of The Dbs3900; Table 2-3 Auxiliary Devices Used In The Outdoor Distributed Installation Of The Dbs3900 - Huawei Airbridge DBS3900 Product Description

2 Solutions for the Auxiliary Devices of the DBS3900

Table 2-3 Auxiliary devices used in the outdoor distributed installation of the DBS3900

Component
APM30 (220/110 V AC
type)
APM30 (-48 V DC type)
Storage battery cabinet

2.4 Outdoor Distributed Installation of the DBS3900

This describes the outdoor distributed installation of the DBS3900. In this mode, the major
modules are the BBU3900 and RRU3606. The BBU3900 supports 220/110 V AC input and
-48 V DC input. The DC RRU3606 supports -48 V DC input. The AC RRU3606 supports
220/110 V AC input. The BBU3900 can be installed in the APM30, and the RRU3606 can be
installed on a wall or pole close to the RF antenna. In this way, the cost of network
construction is reduced.
Installation Scenarios
Figure 2-4
2-6
If the distance between the RRU3606 and the BBU3900 exceeds 70 m [229.66 ft], independent
power supply equipment needs to be configured for the RRU3606.
The auxiliary devices should be configured according to the actual situation and power input mode.
The DC RRU3606 that works in 800 MHz AB and 450 MHz and the AC RRU3606 cannot be
installed in centralized mode.
shows the outdoor distributed installation of the DBS3900.
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Airbridge DBS3900 CDMA Base Station
Description
The APM30 of the 220/110 V AC type is an integrated
power system that is used for outdoor applications and
supports 220/110 V AC power input.
The APM30 of the -48 V DC type is an integrated power
backup system that is used for outdoor applications and
supports -48 V DC power input.
This component is optional and used for power backup.
When the mains supply fails, the storage battery cabinet
powers the equipment.
Product Description
Issue 11 (2010-06-18)