8 Chapter 2 Hardware Installation
RDU-A G2 Intelligent Monitoring Unit User Manual
Chapter 2 Hardware Installation
This chapter introduces the hardware installation of RDU-A G2, including installation preparation, installing RDU-A
G2 host, and installing accessories of expansion cards and sensors.
2.1 Installation Preparation
2.1.1 Note
When installing RDU-A G2, take the following precautions to avoid damage to personnel and devices by accident.
Always cut off the power before performing any installation operation on RDU-A G2
Ensure that the external devices are connected to the correct RDU-A G2 ports
Wear an ESD wrist-wrap during installation
Arrange the wires properly, and do not put any heavy objects on the wires or stamp the wires
2.1.2 Environmental Requirement
Operating environment
The RDU-A G2 must be installed indoors. See Table 1-17 for the detailed requirements.
Anti-static requirement
Take the following measures for minimizing static influences:
Maintain proper temperature and humidity in the machine room (See Table 1-17)
Wear antistatic clothing and an ESD wrist-wrap when contacting with the circuit board; if antistatic clothing or
ESD wrist-wraps are unavailable, wash your hands and dry them instead
Anti-EMI requirement
Take the following measures for anti-EMI purpose:
The RDU-A G2 working ground cannot share with the ground device or SPD ground of electrical power
equipment. Instead, place them away from each other as far as possible
Keep the RDU-A G2 away from large-power radio transmitter, radar, or high-frequency large current electrical
equipment
Use electromagnetic shielding if necessary
2.1.3 Space Requirement
Keep the RDU-A G2 as far as possible away from heat sources
It is recommended to install the RDU-A G2 into a 19
’’ standard cabinet. Keep at least 10mm clearance around
the RDU-A G2 for heat dissipation
2.1.4 Installation Tool
The required installation tools are listed in Table 2-1.
Table 2-1 Installation tools
Tool
Specification
Usage
Cross screwdriver (cross)
100mm, 200mm
Installing brackets, dummy plates for expansion slots of RDU-A G2 host
Digital multimeter
3.5-bit digital display
Inspecting the electrical connection