Connection en 25 | |
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6.2Video Connection
Coaxial cable terminated with a male BNC connector is the most common method for transmitting composite video from the camera to a monitor. If the head end device features built in video termination then no termination connector is needed.
Size | O.D. between 4.6 mm (0.181 in.) and |
| 7.9 mm (0.312 in.) |
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Shield | Copper braid: 95% |
Central Conductor | Standard copper center |
Terminal Connector | Male BNC |
Table 6.3 Recommended Coax Specifications | |
Connecting the Video
To connect the video, do the following:
1.Terminate the coaxial cable from the head end system with a male BNC connector. Alternately, switch the head end system to 75 Ohm termination.
2.Connect the male BNC connector to the Video Out female BNC connector from the base of the camera.
6.3Alarm Connections
The camera provides four alarm inputs and one alarm output. Each input can be activated by dry contact devices such as pressure pads, passive infrared detectors, door contacts, and similar devices. The alarm output can activate an external device, such as a buzzer.
Wire alarms either Normally Open (N.O.) or Normally Closed (N.C.); you must program the alarm inputs N.O. (the default) or N.C. through the
The following table summarizes the maximum distances for alarm wires:
Wire Size | Maximum Distance | ||
AWG | mm | Meters | Feet |
22 | 0.644 | 500 | 152.4 |
18 | 1.024 | 800 | 243.8 |
Bosch Security Systems, Inc. | User Manual | F.01U.252.635 2.0 2011.09 |