Table 3-14 describes the ports on the panel of the UPEU.
Table 3-14 Ports on the panel of the UPEU
Slot Label Connecto
r
Quantity Description
Slot 19 PWR 3V3 1 Port for +24 V DC or -48 V DC input
power
EXT-
ALM0
RJ-45 1 Port for Boolean signal inputs 0 to 3
EXT-
ALM1
RJ-45 1 Port for Boolean signal inputs 4 to 7
MON0 RJ-45 1 Port for RS485 signal input 0
MON1 RJ-45 1 Port for RS485 signal input 1
Slot 18 PWR 3V3 1 Port for +24 V DC or -48 V DC input
power
EXT-
ALM0
RJ-45 1 Port for Boolean signal inputs 0 to 3
EXT-
ALM1
RJ-45 1 Port for Boolean signal inputs 4 to 7
MON0 RJ-45 1 Port for RS485 signal input 0
MON1 RJ-45 1 Port for RS485 signal input 1
3.2.6 UEIU
The Universal Environment Interface Unit (UEIU) transmits monitoring and alarm signals from
the external devices to the main control and transmission unit.
Panel
Figure 3-15 shows the panel of the UEIU.
Figure 3-15 Panel of the UEIU
3 BBU3900 Equipment
BBU3900
Hardware Description
3-16 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 11 (2010-11-10)