Tips on How to Install a CCTV Camera System

The first step is to raise the strategic and vulnerable points of your residency. You need to plan where you want to put the cameras, and how many cameras you need. Another point is to set the site a DVR installation, there’s no point in having a complete security system, high-res cameras and recording if at the time of an occurrence you have your stolen DVR. (Check out other tips on this materia of GSNEWS: “Security Tips!”)

Defining the camera Type

To set the camera type should be considered the camera’s brightness distance relative to the objects and the location that was set. There are cameras that are only for indoor use, where they have no protection for rain and cameras for external use with IP66 protection system. Besides the protection index, and the fact that it is internal or external, there is a lot to be considered, like the type of image sensor, the type of lens, focal length, among other features. To delve into the subject click here and check out this other matter where it explains in detail every feature of the security camera: Understand some acronyms of CCTV cameras.

Defining the type of DVR

After choosing the camera is time to choose the device for image recording. The DVR also known as Stand Alone that is responsible for managing all the cameras, making the recording and connecting to the Internet and Local and remote monitoring.
Knowing the quantity of cameras we can set the DVR model. There are 4, 8, 16, and 32-channel models. It is recommended to use a model that about at least one camera output, because after the project is mounted, it may happen to find some vulnerable point.
The stand alone DVR does not accompany HD (hard disk – hard disk) for recording, but allows the internal installation of it, observe in the specifications of your DVR which the capacity and model it supports, the stand alone models that we work work seamlessly with this model (HD Sata internal to 1 Tera DVR), without the HD your DVR will monitor, but it won’t record the footage from the cameras. The vast majority of DVRs available on the market have internet monitoring by PC, cellular or Tablet, worth checking out this information before finishing the purchase.

Defining the cable Type

Set the camera and DVR, we need to choose the type of cabling we will make between the cameras and the DVR Stand Alone. The first step is to calculate the distance from the cameras up to the DVR and decide the type of cable we will use if it will be coaxial or UTP network cable. The cables that reach larger distances are more rigid.
An important observation when using a coaxial cable is to see if it is of the bipolar type (which comes two wires for electrical power connection) and the amount of mesh it has, the lower the higher the mesh percentage will be the loss of signal and quality.
Another alternative is the network cables known as UTP, these cables for those who do not know have 4 pairs of metallic wires, with the use of an adapter called Balun, to connect the image in network cable we use two wires, i.e. with a network cable we can connect 4 cameras. The main advantage of the network cable is to have greater flexibility and greater distance when compared to a coaxial cable.
As we know beyond the image we need electric power for the cameras, when using the network cable we can also use 2 wires for image and 2 wires for electric power.

Defining font Type

This is another important point of your design, Mini cameras, Bullet and Dome models use 12v source with 1 Ampere, you can use an individual font for each camera as the model of this link (12v 1/2 ampere source), or use a shared 10 amp font that allows you to connect up to 16 cameras in the same font, click here to see a shared font
If you choose to place individual fonts for each camera, or a shared font, this will depend on your project, may be that in some points you get a socket beside the camera, or may have cases that the energy of all the cameras need to exit the center point near the The DVR, or may be that you have taken close the cameras but you prefer to send everything from the CPD where you have a nobreak for example.

Defining connector Type

BNC: Most used metallic connector in professional CCTV cameras and equipment, has excellent contact, and great noise insulation. It has a fitting and a half-threaded fixation. My recommendation is to use this type of contectores for its firmness and quality of connection.
There are two main types of BNC connectors that are soldering and crimping, both have a good connection but welders have greater ease of placement, but the crimping are firmer when placed correctly using the correct crimping pliers.
RCA: Plug-in connector normally very used plastic microcameras and some cameras, as well as domestic video/sound equipment, has good contact and does not have noise and interference protection. Connection and placement very practical but very fragile.
F: Threaded metallic connector widely used in some CCTV accessories as sequential and in cable TV systems, it has a very easy placement, and contact and protection from noise and regular interference.
Power connectors used for power supplies:
P1: Standard plastic connector used in various equipment such as cameras, CCTV video processors like quads, multiplexers, some DVRs, panoramizadores, when the source is external to the equipment. This type of connector normally possesses the central pin (in the jack or female plug) as positive (hole plug in the male socket) and external body as negative for DC feeds normally 12v or 9v.
It has a regular connection but the main care is relative to compatibility because although it is a pattern we find in the market several sizes of the internal pin that often cause incompatibility because the pin is thinner than the internal thickness of the connector causing the foul Contact.
P4 Post: As for professional cameras, large part utilizes terminal type connection screwed with excellent contact, and low possibility of accidental disconnection. I recommend the use of this type of connector for its firmness and connection.

Installation

Putting the cables:

  • The cable must be fixed so that the length of it is respected and generates good quality signals. There must be a space of thirty centimeters (one foot) between the wires and cables and the power lines.
  • Keep the length of the wires smaller than 130 meters if you use a mesh cable RGC-59. For RG-59/U cable up to 230 meters
  • It’s good if you distribute extra hooks by the cables both in the camera locations and in the monitoring locations for possible adjustments.

Assembling the cameras:

Most CCTV cameras (closed circuit) already come with screws and mounting brackets. Attach the bracket firmly. Attach the camera to the bracket and adjust the position.
Power connections differ depending on the type of power supply and input, then observe the polarity before risking the camera. Red or white cables are for positive terminals and blacks for negatives.
If you are using a bipolar coaxial cable to pass camera image, this type of cable already comes with two wires for electrical power connection, AI you can use the P4 male and P4 female connectors with female BorneP4 with post to make connections with the camera and source.
Hook the connectors and repeat the steps for each camera.

Recording and monitoring connection

Save room for monitors and writers so you can still determine the location where the power source will be.
The power source must be installed near the video inputs. The power cords must be separated from the Siamese cables and connected to the source. Observe the polarity as with the cameras. Do not plug the source into the power outlet yet.
Connect the DVR to the monitor. Protect the power surge equipment with a voltage regulator. Make sure there is another alternative in the event that power is missing.
Turn on the cameras, then the monitors and finally the DVR recorder. Go through each camera and adjust the position according to what you want it to be filmed.
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