Overview Of The Emu - Huawei EMU User Manual

EMU
User Guide
About This Chapter
Applicable to all types of BTSs/NodeBs manufactured by Huawei, the EMU is used to monitor
the environment in the equipment room.
2.1 Functions of the EMU
This describes the functions of the environment monitoring unit (EMU). Providing a variety of
input ports for monitoring signals, the EMU supports real-time monitoring and remote
monitoring. In addition, the EMU is highly reliable and can be flexibly configured. It supports
a large area for temperature monitoring.
2.2 Exterior of the EMU
This describes the exterior of the two EMU models.
2.3 Internal Structure of the EMU
This describes the internal structure of the EMU.
2.4 Communication Ports on the EMU
The EMU provides the RS485 and RS232 ports for the communication between the EMU and
the BTS/NodeB.
2.5 Monitoring Ports of the EMU
The EMU provides monitoring ports for the humidity/temperature sensor, smoke sensor, water
sensor, infrared sensor, and door status sensor. In addition, the EMU provides monitoring ports
for the Boolean signal sensor, analog signal sensor, and output control sensor, which are extended
sensors.
2.6 Technical Specifications of the EMU
This describes the technical specifications of the EMU.
Issue 13 (2009-12-30)
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Overview of the EMU

2 Overview of the EMU
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