describes the ports on the UPEU panel.
Table 3-58
Description on the ports
Slot
Silkscree
n
Connecto
r
Quantity
Description
Slot 19
+24 V or
-48 V
3V3 or
7W2
connector
1
Intro24 V or -48 V DC power
EXT-
ALM0
RJ45
connector
1
Port for Boolean inputs 0 to 3
EXT-
ALM1
RJ45
connector
1
Port for Boolean inputs 4 to 7
MON0
RJ45
connector
1
Port for RS485 input 0
MON1
RJ45
connector
1
Port for RS485 input 1
Slot 18
+24 V or
-48 V
3V3 or
7W2
connector
1
Intro24 V or -48 V DC power
EXT-
ALM0
RJ45
connector
1
Port for Boolean inputs 0 to 3
EXT-
ALM1
RJ45
connector
1
Port for Boolean inputs 4 to 7
MON0
RJ45
connector
1
Port for RS485 input 0
MON1
RJ45
connector
1
Port for RS485 input 1
3.1.13 UEIU
The universal environment interface unit (UEIU) of the BBU3900 transmits monitoring signals
and alarm signals from external devices to the main control board.
Panel
shows the panel of the UEIU.
BTS3900C (Ver.C)
Hardware Description
3 BTS3900C Modules
Issue 03 (2013-05-27)
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Copyright © Huawei Technologies Co., Ltd.
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