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RMS-SNMP01B SNMP Card
User Manual
The SNMP card equipped with a temperature and humidity sensor can monitor the
temperature and humidity over an RS485 bus.
Table 2-2 Port to a temperature and humidity sensor
Port
CNRJ2
Issue 10 (2020-03-20)
The Ethernet network port is protected by a security mechanism. The port for monitoring the ambient
temperature and humidity sensor use Modbus protocol, without reference to the access authentication
mechanism.
Pin No.
1
2
3
4
5
6
7
8
Copyright © Huawei Technologies Co., Ltd.
Table 2-2
lists the port definition.
Signal
RS485+ (A)
RS485– (B)
12V_OUT
RS485+ (A)
RS485– (B)
N/A
N/A
GND
2 Overview
Port Type
RJ45
4
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