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How do I install a GSMV4G cellular communicator on the Vista 250BPT?

By Petra Paulson To connect a GSMV4G to the Vista 250BPT Control Panel , you follow most of the same steps you would to connect it to the Vista 128BPT . Click here to see how to connect the GSMV4G to

How do you connect the 7847i Internet Communicator to the Vista 250BPT?

By  Petra Paulson To install your 7847i internet communicator...    Shut off the power to the Vista 250BPT by disconnecting the AC transformer and the back-up battery.   Open the