| The Channel Vision P-0920 is a pro-series 2 station telephone entry controller for use with Channel Vision DP and IU series door stations. When the button is pressed on the door station, the phones in the house will ring with a distinctive pattern and any telephone can then be used to communicate with the appropriate door station. If the telephone is already in use, a call waiting tone will be heard. The P-0921 also features a mode allowing it to be used with house telephones where no incoming telephone line is present from the phone company. When the optional door strike modules are connected, door strikes can be activated from a telephone, or separate push buttons. In addition to ringing telephones, a standard doorbell chime can also be connected so it will ring when the door-station button is pressed. |
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