Figure 2-14 Monitoring Principles Of The Dbs3900 When The Bbu Is Installed In The Omb; Figure 2-15 Monitoring Principles Of The Dbs3900 When The Bbu Is Installed In The Apm30H (Ver.b) In The +24; Figure 2-16 Monitoring Principles Of The Dbs3900 In The Bbu+Rru+Icr (+24 V Dc) Scenario - Huawei BBU3900 Hardware Description

2 DBS3900 Monitoring System

Figure 2-14 Monitoring principles of the DBS3900 when the BBU is installed in the OMB

Monitoring Principles of the DBS3900 in the +24 V DC Power Supply Scenario
Figure 2-15
the APM30H (Ver.B) in the +24 V DC power supply scenario.
l
l
Figure 2-15 Monitoring principles of the DBS3900 when the BBU is installed in the APM30H
(Ver.B) in the +24 DC power supply scenario
Figure 2-16
+RRU+ICR and also in the +24 V DC power supply scenario. In this solution, the BBU is
installed in the IMB03, and the RRU is installed on the IFS06.
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Figure 2-16 Monitoring principles of the DBS3900 in the BBU+RRU+ICR (+24 V DC) scenario

For details about the monitoring of the EMUA, see
For details about the connections of all monitoring signal cables in the cabinet, see Monitoring
Signal Cable Connections.
2-10
OMB
COM_IN / COM1
BBU
MON0 / MON1
Cable to be
connected on site
Cable connected
before delivery
Monitoring from
HEUA
source to destination
illustrates the monitoring principles of the DBS3900 when the BBU is installed in
For details about the functions of monitoring ports on the CMUA, see CMUA.
For details about the functions of monitoring ports on the power equipment (DC/DC), see
Power Subrack (DC/DC).
APM30H(+24V,Ver.B)
COM_IN
ALM
CMUA
PRESENT
MON0 / MON1
EXT-ALM0 / EXT-ALM1
Power System
Cable to be
(DC/DC)
connected on site
Cable connected
BBU
before delivery
Monitoring from
source to destination
illustrates the monitoring principles of the DBS3900 in the indoor solution of BBU
For details about the functions of monitoring ports on the power equipment (DC/DC), see
Power Subrack (DC/DC).
IMB03
ALM
PRESENT
BBU
EXT-ALM0 / EXT-ALM1
Cable to be
connected on site
IMB03
Cable connected
before delivery
Monitoring from
Power System
source to destination (DC/DC)
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Copyright © Huawei Technologies Co., Ltd.
Hardware Description
2.1 Customized Alarm
Issue 11 (2010-11-10)
BBU3900
Input.