Pin
Signal
Description
2
TX-
3
12V
12 V output (rated current: 500 mA)
4
RX+
Receives data over RS485.
5
RX-
6
I
2
C_SCL
I
2
C clock signal
7
I
2
C_SDA
I
2
C data signal
8
PGND
Grounding (PE)
3.4 Rectifier
A rectifier converts AC input power into stable DC power.
Figure 3-10 Appearance
(1) Power indicator
(2) Alarm indicator
(3) Fault indicator
(4) Locking latch
(5) Handle
Table 3-14 Indicator description
Indicator
Color
Status
Description
Power
indicator
Green
Steady
on
The rectifier has an AC input.
Off
The rectifier has no AC input.
The rectifier is faulty.
ETP4860-B1A2 Embedded Power
User Manual
3 Components
Issue 04 (2021-01-05)
Copyright © Huawei Technologies Co., Ltd.
27