![]() Criteria For Choosing Phone-Line Communications Setup and operation of a phone-based monitoring system is easy, whereas attaching to an existing data network may involve the IT department. If the building is not wired, the installation of a new phone service is less expensive than the installation of new data service. If the monitored location is already wired, it can share an existing line. Also, their data can interface with cloud-based mapping and database services.Ĭosts are generally less too. ![]() Their information can be accessed through a browser or smart-phone app. Traditional Approach, Modern ConveniencesĮxcept for bandwidth, monitoring systems based on phone lines can mimic the functionality that Internet protocol (IP) and wireless communications have to offer. While global phone-line installations decreased from 1990 to 2010, their numbers have stabilized and are increasing in some areas. Often, it’s the only form of communications available during natural disasters. It’s hardened, reliable, pervasive, and resistant to cyber-attacks. Having survived numerous assaults from competing technologies such as ISDN, cellular, and wireless services, the phone line is considered the cockroach of the communications world. ![]() While many remote monitoring systems are now Internet-based, communications through plain-old telephone service (POTS) is not dead! Phone-line-based remote monitoring unit (RMU) communications remain a viable alternative (or complement) to Ethernet and wireless communications in a variety of remote monitoring applications where a broadband connection is impractical or power outages prevail ( see the figure).Īdvances in landline-based remote monitoring systems enable you to access their data from browsers and smart phones and to interface their information with the cloud. By monitoring operating conditions such as level, flow, and vibration as well as ambient conditions such as humidity, temperature, and moisture, remote monitoring systems serve a crucial role in ensuring the optimum operations and security of unattended equipment and unprotected assets at distant locations. Many different industries use remote systems for machine monitoring, predictive maintenance, vendor managed inventory, building automation, and energy management. ![]()
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