Appearance SFP Port Description
SFP1 TX1 Transmit port
RX1 Receive port
SFP2 RX2 Receive port
TX2 Transmit port
Indicators Green
indicator
If the indicator is steady green,
the line is normal.
Yellow
indicator
If the indicator blinks yellow,
data communication is
normal.
● DI ports: digital input ports, which are used to connect to DI power grid
scheduling commands or alarm signals.
Appearance DI Port Description
DI1 1 Can connect to four passive
dry contact signals.
12 V
DI2 2
12 V
DI3 3
12 V
DI4 4
12 V
● AI ports: analog input ports, which are used to connect to AI power grid
scheduling commands or environment monitoring sensors.
SmartLogger3000
User Manual 2 Product Overview
Issue 10 (2022-08-20) Copyright © Huawei Technologies Co., Ltd. 17
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