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| CAMERA KNOWLEDGE | CAMERA KNOWLEDGE | ||||
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| COMPRESSION FORMATS | COAX CABLE CONSTRUCTION |
The foundation of these standards is JPEG, named after the group that developed it in the
the Joint Video Team (JVT). The
Not all coax cables are created equally. First Alert’s RG59 combined coax video and DC power cables use a solid copper conductor for less voltage drop and better signal over longer distances. This also makes the cable easier to handle versus other lower quality copper clad steel cables as it is less rigid and will not remain coiled. In addition, the cables are double shielded with aluminum foil insulation and braiding to help protect the video signal from interference. Each cable comes with BNC Male connections on each end of the video cable and 1 jack male, 1 plug female on the ends of the DC power cable (2.1mm I.D./5.5mm O.D.). We also supply two adaptor plugs for your convenience. One is a BNC female to BNC female adaptor to provide a way to connect two lengths of cable together. The other is a BNC Female to RCA male connector to attach cable to a TV RCA female (Yellow Video in) input. In addition, we offer cable that is fire rated
CAMERA KNOWLEDGE
from You Tube and the iTunes Store, DVB broadcast,
H.264 provides good video quality at substantially lower bit rates than previous standards. Basically it compares compressed images using the first compressed image as a reference frame, then it sends only the parts of the following images that differ from the reference image. This substantially lowers the amount of data that needs to be transferred making it more attractive for video network delivery and the delivery of HD video. H.264 is an open format and is available for anyone to implement.
Jacket: Ø6.0 ± 0.1mm 60P white jacket PVC
Braid: 16/8/0.12mm CCA
Wrap: 14mm Aluminum foil
Froth PE: Ø3.8 ± 0.1mm
PE(HDPE+LDPE)
Conductor: 1/0.78mm bare copper
Jacket: Ø5.0 x 3.4 ± 0.1mm 60P white jacket PVC
PE Insulation: Ø1.8 mm± 0.05mm red, black HDPE5502+LDPE N150
Conductor: 7/0.38mm CCA
CAMERA KNOWLEDGE
CAMERA MOUNTING OPTIONS
Most First Alert cameras can be either ceiling or wall mounted by simply reversing the mounting camera stand. Holes are provided on both the top and bottom of the camera housing to accommodate most mounting requirements. It’s important the camera is mounted correctly to ensure the image is not upside down as the camera lens can only be positioned one way.
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