Chapter 2 Hardware Installation 11
RDU-A G2 Intelligent Monitoring Unit User Manual
Refer to
IRM-S04DI Intelligent Digital Input Sensor With Phoenix Ports User Manual
for IRM-S04DI;
Refer to
IRM-S04DIF Intelligent Digital Input Sensor With RJ45 Ports User Manual
for IRM-S04DIF.
2.3.3 Installing Physical Sensors
The physical sensors include smoke sensor, water logging sensor, infrared sensor and door status sensor.
There are two installation modes for smoke sensor, water logging sensor, infrared sensor and door status sensor.
Directly connected to DI port on the rear panel of RDU-A G2. (Silk print: DI1, DI2, Smoke1 and Smoke2. Each
port can be connected with anyone of smoke sensor, water logging sensor, infrared sensor and door status
sensor at will.) See Table 1-15 for the line sequence of cable connection.
Connected to RDU-A G2 through IRM-S04DI or IRM-S04DIF: connect the sensor to the digital input port of
IRM-S04DI or IRM-S04DIF. For the line sequence of cable connection, refer to
IRM-S04DI Intelligent Digital
Input Sensor With Phoenix Ports User Manual
or
IRM-S04DIF Intelligent Digital Input Sensor With RJ45 Ports
User Manual
.