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ETP4860-B1A2 Embedded Power
User Manual
Table 3-3 Pin definitions for SIG2 wiring terminals
Pin
1
6
2
3
4
5
7
8
9
10
Communications Ports
Table 3-4 Communications port description
Communications
Port
COM
FE
NOTE
Issue 04 (2021-01-05)
Signal
VD1
VD2
BTE
ETE
GAT
CAN+
CAN-
Communications
Parameter
Baud rate: 9600
bit/s, 19200 bit/s,
115200 bit/s
autonegotiation
10M/100M
autonegotiation
All these ports are protected by a security mechanism.
Copyright © Huawei Technologies Co., Ltd.
Description
Battery midpoint voltage detection port 1
Battery midpoint voltage detection port 2
Battery temperature sensor port
Ambient temperature sensor port
Door status sensor port
CAN communications port
Communications
Protocol
Master/slave
protocol
-
SNMP
BIN protocol
HTTPS protocol
3 Components
Function
Connects to a
Huawei NMS.
Provides 12 V
power supply for
external devices.
Connects to a
third-party
management
system.
Connects to a
Huawei NMS.
Connects to a PC
and manages the
SMU through the
WebUI.
20
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