I have to install a plant of recorders where the recorders are used to record as many curve measurements. These are devices with an internal memory to save data, and an Ethernet port to connect. This recorder has an IP address, and I can access the data stored on a PC networked to the recorder through the IP address. Everything works fine as long as I stay in my office for testing. But the reader must be in a factory located 200 km from my office, and this plant has no network connection, but only one phone line drawn from offices located 500 m from it. So a line that passes through a PBX. So I can not use a network connection from the factory. I must therefore choose another way. Initiate an ADSL line in the plant and plug a modem into the unit or connect a 56k modem on my phone while using the phone line already present. But I could ask my device with its IP address from my PC connected to the Internet if the device is connected to the internet in 56k?
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