Security Design Services Corp. has designed and installed CCTV systems for 17 years. The information below was compiled by our technical and installation staff. We hope this section helps you select the correct products to suit your needs and answers your installation questions. If you have any suggestions for additional "how to" topics email us at how it works. |
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| Typical Illumination Measurements See the amount of available light in everyday scenes. | | | What Voltage Camera Should I Purchase ? 120VAC, 24VAC or 12VDC | ||
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| How Switchers, Quads & Multiplexers Work | | | Lens Selection Guide A guide to selecting the proper lens. | ||
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| Field of View Samples See actual lens views at a specific distance. | | | Cable Specification Guide Description of cable terms | ||
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| Power Problems FAQ | | | Power Supply Considerations Tech notes to help you choose the correct power supply | ||
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| Splitting/Amplifying the Video Signal | | | Digital RF Modulators Put the camera video on any available TV or cable channel. | ||
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| Connector Attachment | | | Solving Ground Loop Problems | ||
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| Typical Illumination Measurements See the amount of available light in everyday scenes. | | | Frequently Asked Questions on Infrared Illuminators | ||
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| World Video Standards by Country | |||||
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