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RTUs with T1 support are recent monitoring developments, but that doesn't mean that they're hard to find.
Marshall DenHartog, President of DPS Telecom, explains that his company's NetGuardian 216T was designed in direct response to client needs. "We were receiving significant interest in a remote that could monitor over T1," he said. "A good portion of our clients have sites where a T1 connection is very cheap, but the infrastructure for Ethernet would be very expensive. Looking at scenarios like that, and recognizing that there are probably thousands of similar cases worldwide, we handed the project over to Engineering."
Marshall recalls that the design process for the NetGuardian 216T involved adding an all-new T1 interface to the company's core line of remotes. "The goal was to take client-favorite features from our existing RTUs and add support for T1," he said. "Our hardware design is modular, so we were able to design a new product that is founded upon proven technology. The final build supports both discrete and analog alarms, has multiple control relays, functions as a terminal server, routes Ethernet to up to 7 other devices, and, of course, reports alarms over T1.
"We also recognized that the 216T would typically be deployed in smaller sites, so we scaled it accordingly. It fits in a single rack unit of space, and it doesn't have an excessive alarm capacity that you will pay for and probably never use. If you do happen to have a few larger sites and need more alarms, you always have the option of installing expansions to cost-effectively augment the 216T's capacity," said Marshall.
"We've been really pleased with the feedback from clients," he added. "The units that are currently deployed are really living up to their industrial temperature ratings. Some of them are being subjected to some pretty intense heat and handling it just fine. Clients also really seem to appreciate the convenience of the integrated hub. Their techs have been able to jack into the NetGuardian, access the company network, log their progress, and check for new assignments right from the field."