Figure 3-36
Monitoring system for the BTS3900 cabinet (AC)
NOTE
For details about how to monitor the EMU, see the section Customized Alarm Inputs.
3.6.3 Customized Alarm Inputs
When an alarm is generated by the customized equipment, the alarm must be reported to the
BBU.
Customized alarms are reported to the BBU by any of the following methods:
l
The alarms are collected by the UPEU or UEIU in the BBU.
l
The alarms are collected by the EMU.
For details about the configuration of the customized alarms, see the related initial configuration
guide.
Monitoring Board Configuration
The configuration of the monitoring boards in the BTS3900 depends on the number of
customized alarms, as listed in
Table 3-25
Configuration of monitoring boards in the BTS3900
Cabinet Type
Number of Dry Contact
Alarm Inputs
Monitoring Board
-48 V DC cabinet or
AC cabinet
None
UPEU
1 to 16
UPEU+UEIU
17 to 32
UPEU+UEIU+EMU
+24 V DC cabinet
None
UPEU
BTS3900
Hardware Description
3 BTS3900 Hardware Configuration
Issue 04 (2011-02-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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