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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
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)
Summary of Contents for BBU3900
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