Scenario 3: Ac Power Input (Backup Power Required); Figure 3-6 Installation Of One Ac-Powered Bts3900E In Omni-Directional Configuration - Huawei BTS3900E GSM User Manual

BTS3900E GSM
User Guide
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3.3 Scenario 3: AC Power Input (Backup Power Required)

This describes the installation scenarios of the BTS3900E in the case that AC power is available
on site and backup power is required.
Configuration of Omni-Directional Site (One BTS3900E)
Figure 3-6
configuration when backup power is required.

Figure 3-6 Installation of one AC-powered BTS3900E in omni-directional configuration

This installation scenario has the following features:
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Issue 01 (2010-01-15)
If three BTS3900Es are cascaded, the capacity of the external power input system should
–
range from 15 A to 20 A.
The BTS3900E DC(1) works as the basic module. It is connected to the two extension
BTS3900Es through the SFP ports to form a star topology.
shows the installation of one DC-powered BTS3900E in omni-directional
AC INPUT
AC/DC-3U
TM-Space-7U
The power cabinet (APM30 or APM30H) is mandatory. It supplies -48 V DC power and
provides a maximum of 7 U installation space.
The BBC or IBBS200T that is used to install batteries is mandatory.
Installation options:
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3 Typical Installation Scenarios of the BTS3900E (Outdoor
-48V DC
APM30(H)
Battery
Coverage)
Antenna
Jumper
BTS3900E
DC
3-5