User Manual
Advanced Console Server & RIM Gateway User Manual 183
8.3 Environmental Monitoring
All Opengear console servers can be configured to monitor their operating environment.
External Environmental Monitor Devices (EMDs) can be connected to any Opengear console server serial port. Each
console server can support multiple EMDs.
Each EMD device has an internal temperature and humidity sensor plus one or two general purpose status sensor ports
which can be connected to smoke detectors, water detectors, vibration sensors or open-door sensors.
The ACM5000 and ACM5500 advanced console server models also each have internal temperature sensor and can
optionally be configured to have up to four general purpose status sensor ports (which can be connected smoke or water
detector and vibration or open-door sensors) directly connected.
Using the Management Console, Administrators can view the ambient temperature (in °C or °F) and humidity
(percentage) and configure alerts to monitor the status and sensors to automatically send alarms progressively from
warning levels to critical.
8.3.1 Connecting the EMD and its sensors
The Environmental Monitor Device (EMD) connects to any serial port on the console server via a special EMD
Adapter and standard CAT5 cable. The sensors then screw into the EMD:
 The EMD is powered over the serial port connection
and communicates using a custom handshake
protocol. It is not an RS232 device and should not be
connected without the adapter
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