Chapter 1 Product Introduction 3
RDU-A G2 Intelligent Monitoring Unit User Manual
Silk print
Color
Status
Description
Run/Alarm
Green/Red
Green
No alarm
Red
Alarm
Reset button
Press and hold the reset button (silk print: Reset) for four seconds, release your hand until the run/alarm indicator
turns off, the IP address and password of the RDU-A G2 will be restored to factory defaults after the system restarts.
See Table 1-6 for the defaults.
Console port
The RDU-A G2 host supplies a console port (USB port, see Figure 1-1 for its position), which adopts USB
communication mode. The communication parameters are given in Table 1-5.
Table 1-5 Communication parameters of console port
Parameter
Baud rate
Bit
Parity
Stop bit
Value
115200bps
8 bits
None
1 bit
USB port
The RDU-A G2 host supplies two USB-A type socket ports for connecting camera or USB Modem of designated
model. Its position is shown in Figure 1-1.
Network port
The RDU-A G2 host supplies two network ports which adopt 10/100M self-adaptable Ethernet ports. Its position is
shown in Figure 1-1. See Table 1-6 for default configuration of the network ports.
Table 1-6 Default configuration parameters of the network ports
Parameter
Network card
IP address
Subnet mask
Default gateway
Network card 1 (eth0)
192.168.0.254
255.255.255.0
192.168.0.1
Network card 2 (eth1)
192.168.1.254
255.255.255.0
192.168.1.1
Note: The login password of the Web browser will be restored to
‘emerson’
Relay output port
The RDU-A G2 host supplies two relay outputs: DO1 and DO2. Their positions are shown in Figure 1-1. See
Table 1-7 for their parameters.
Table 1-7 Relay output port parameter
Parameter
Value
Range
Port
Usage
DO1/DO2
Voltage
11V ~ 14V
RJ45
1. DO output, and it can connect to an alarm lamp;
2. The total power of the two ports is supportive of up to 2.4W;
3. Supportive of short-circuit protection function
Total current
≤ 0.2A
Digital input port
The RDU-A G2 host supplies four digital input ports. Their positions are shown in Figure 1-1. See Table 1-8 for their
parameters.
Table 1-8 Electric parameters of digital input port
Silk print
Definition
Rated output
voltage
Output current
(total)
Maximum output
power (total)
Overload protection
of the port
DI1
Door status 1 port
+12Vdc
≤ 0.2A
2.4W
Supportive of
overload protection
DI2
Door status 2 port
Smoke1
Smoke port 1
Smoke2
Smoke port 2
Sensor port
The RDU-A G2 host supplies two routes of sensor ports, which include four RJ45 interfaces. Their positions are
shown in Figure 1-1. See Table 1-9 for their parameters.