Chapter 1 Product Introduction 1
RDU-A G2 Intelligent Monitoring Unit User Manual
Chapter 1 Product Introduction
Note
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC
Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in
a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used
in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment
in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his
own expense.
RDU-A G2 intelligent monitoring unit (RDU-A G2 for short) can realize Web accessing, digital input/output, analog
input/output and connections with equipment such as sensor, UPS, air conditioner and PDU. It can meet the
requirements of TCP/IP, RS232/485 networking modes and can be flexibly configured according to various
application conditions.
This chapter introduces hardware function difference between the RDU-A G2 and the RDU-A, component
descriptions, main functions and technical specifications.
1.1 Hardware Function Difference Between New And Old Version
The hardware function difference between the RDU-A G2 and the RDU-A is given in Table 1-1.
Table 1-1 Hardware function difference between the RDU-A G2 and the RDU-A
Function difference
RDU-A
RDU-A G2
Power input
One route of external power
Two routes of external power, supportive of
connecting only one route and connecting both routes
Expansion slot
Supportive of only one expansion slot, which is
exclusively for IRM-4COM card
Supportive of two expansion slots, which can be
inserted with IRM-4COM card, IRM-8DIAI card and
IRM-8DOAO card
Network port
Single network port, and the IP can only be
manually set
Duel network ports, supportive of DHCP dynamic
addressing
IRM sensor
connection
Only 28 nodes (including the node devices
connected to the provided DOOR1, DOOR2,
WATER, SMOKE ports) can be connected at
most
At most 32 nodes can be connected
USB port
One piece, which can be connected with only
one USB Modem or camera at most
Two pieces, which can be connected with one USB
Modem plus one camera or two cameras
1.2 Component Descriptions
RDU-A G2 includes RDU-A G2 host and options: IRM-4COM card, IRM-8DIAI card and IRM-8DOAO card.
1.2.1 RDU-A G2 Host
The appearance and interfaces of RDU-A G2 host are shown in Figure 1-1.
