Knowledgebase
| Word | Description |
| Real-time Recording | In digital video applications, 30 frames per second per camera (see above) looks just like real-time. There is no hesitation or jerkiness in the video. |
| Remote Surveillance | The ability to view your cameras from a remote location. Information is transmitted via phone line or internet. |
| Resistor | A small semiconductor that changes the electrical properties of a circuit by changing the electrical resistance. Resistance value is expressed in Ohms. Different alarm systems require different resistor values for various functions. |
| Resolution | Refers to how much detail can be captured on a camera or displayed on a monitor. Cameras typically capture about 380 horizontal lines of resolution. High resolution cameras may capture 450 lines of resolution or more. The higher the resolution, the more detail that can be captured in a picture. The monitors and recording devices can generally handle at least as much resolution as the cameras can capture. |
| RG59 | siamese cable This type of cable combines the power wire with the video wire. You have to add your own connectors to each end of the cable. Use this type of cable when you need to run distances longer than 100 ft with a digital system, or more than 400 ft. with an analog system. |
| RJ31X | A special telephone jack that allows a user to disconnect the house telephone system from the alarm panel in case the system malfunctions without disturbing the basic line seizure wiring. Only required if the system is connected to the house telephone wiring. |
