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Started by RR001, May 16, 2017, 06:33:58 AM
Quote from: hwittenb on May 16, 2017, 09:57:29 PMThe homephone unit was designed to be used with an analog PSTN phone line. The OBi200 is a voice over ip adapter that uses an analog phone handset. If you read the FAQ section of your www.homephone.com web site they have the following entry which I believe is relevant:"The DoorBell Fon system needs to be hooked up to a PBX system.• Please use a vacant FXO port instead of FXS. The FXO port may also be know as the CO port or trunk line.• If there is no telephone company line connected to the Main Controller, please use a N8NC chip inside the Main Controller. Contact Customer Service or your DoorBell Fon provider to order one."The OBi200 itself does not have an FXO port. By itself, it only has an FXS port to attach an analog phone. An FXS port provides the signal and ringing voltages for the attached phone. The OBi200 has an optional add on unit, the OBiLINE. The OBiLine, plugs into the OBi200 USB port and provides an FXO port for the OBi200. I believe you would need this to be able to accept the ringing voltage provided by the door unit and the analog signal voltage which your sheet seems to indicate is 17-28 vdc. The function of the N8NC chip they mention is not clear. I would contact the Doorbell unit customer support unit for clarification.