Huawei RMS-SNMP01A, User Manual

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RMS-SNMP01A SNMP Card
User Manual
2 Overview
Issue 08 (2020-01-09) Copyright © Huawei Technologies Co., Ltd. 4
Silk Screen Name Indicator Description
COM RS485 southbound
interface N/A This port connects to
AI/DI module or
iBAT 2.0.
NETWORK Ethernet port Green indicator Off: No network
cable is connected.
Steady on: A
network cable is
connected.
Yellow indicator Blinking: The card
is communicating
with the network.
 The NETWORK port is protected by a security mechanism.
 The COM port and TEM_HUM port use Modbus protocol, without reference to the access
authentication mechanism.
 The USB port connects to the GSM modem, without reference to the system management.
The SNMP card is equipped with a temperature and humidity sensor or an external dry
contact card over an RS485 bus.
Table 2-2 lists the port definition.
Table 2-2 TEM_HUM port
Port Pin No. Signal Port Type
J3004 1 GND RJ11
2 N/A
3 RS485–
4 RS485+
5 N/A
6 12V_OUT
The COM port on the SNMP card is an RS485 southbound interface, connecting AI/DI
module or iBAT 2.0.
Table 2-3 describes the pin definitions of the port.
Table 2-3 COM port
Port Pin No. Signal Port Type
J3011 1 RS485+ RJ45
2 RS485–
3 N/A