Pin Signal Description
4 TX+ Transmit data over RS485.
5 TX-
6 Null -
7 CANH CAN bus high level
8 CANL CAN bus low level
3.2.4 User Interface Module UIM05B1
The user interface module UIM05B1 provides sensor ports, RS485 ports, and dry
contact input and output ports to manage the cabinet interior environment of the
power system and to report alarms.
Figure 3-18 Panel
(1) Dry contact and sensor
ports
(2) COM communications port (3) Battery temperature sensor
port
(4) Door status sensor port (5) Battery switch port (6) Cable hole for fan cables
(7) Handle
The battery switch is used only when the mains supply is unavailable.
Figure 3-19 Dry contacts
iSitePower Integrated Smart Site (ICC1000-A1-E1)
User Manual 3 Components
Issue 04 (2022-10-15) Copyright © Huawei Technologies Co., Ltd. 42
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