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HUAWEI EMUB Monitoring Unit HUAWEI WD2G1EMUB -48VDC 32 positions
| Item | Function |
| Power input | · An EMUB provides a power input port and can be supplied with -48 V DCpower. The voltage can range from -36 V DC to -72 V DC. · An EMUB can detect input voltage. |
| Environment monitoring | · An EMUB provides one port to connect a current-type humidity and temperature sensor working in the voltage of +12 V DC or +24 V DC and the current range of 4 mA to 20 mA. The temperature monitoring scope of the sensor is from -20°C to +80°C (-4°F to 176°F). · An EMUB provides one port for monitoring four different analog signal inputs. If a voltage-type sensor is connected to the EMUB, the voltage ranges from 0 V to 5 V. If a current-type sensor is connected to the EMUB, the current ranges from 4 mA to 20 mA. · The input signal type on the EMUB side is set by the DIP switch according to the input signal type set on the eNodeB side. · An EMUB provides a +24 V DC port to connect a smoke sensor, a +24 V DC or +12 V DC port to connect a water sensor, a +24 V DC or +12 V DC port to connect an infrared sensor, and a dry contact-type port to connect a door status sensor. These ports meet the monitoring requirements of the system. |
| Boolean signal monitoring | An EMUB provides ports for monitoring 32 Boolean signal inputs of the dry contact type and open collector (OC) type. |
| Relay node control | An EMUB provides six output control ports for external Boolean signals of the relay node type. |
| Communication function | An EMUB provides two RS-485 ports for the communication between the EMUB and the base station. |
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