Choice of cables
Choosing a Chinese video camera that supports Power over Ethernet (PoE for short) allows you to supply power using Ethernet cables, also called twisted-pair cables. It is very convenient and profitable, because each IP camera does not need a separate socket.
Twisted pairs are divided into 9 categories.
|CAT1||0.1||For audio transmission|
|CAT2||one||2 pairs of conductors, still used in telephone networks, not used in video monitoring systems|
|CAT3||16||4-pair, can be used as an Ethernet cable with a maximum length of 100 meters|
|CAT4||20||4-pair, used in token ring networks, currently not used|
|CAT5||one hundred||4-pair, for connecting local area networks (LAN) and telephone lines|
|CAT5e||125||4-pair, the most common cable for computer networks|
|CAT6||250||4-pair, for LAN|
|CAT6a||500||4-pair unshielded, for high-speed LANs|
|CAT7||700||4-pair, shielded, for high speed LANs|
There are also three types of Ethernet cables in the field, which are easily distinguished by the color of the outer jacket of the cable.
|Orange||In rooms with increased fire safety requirements|
You should also distinguish between twisted pairs for shielding, that is, protection against interference:
- UTP. without shielding.
- FTP. with foil shielding.
- STP. copper braided and foil sheathed.
If strong interference is not observed at the location of the IP cameras, it is recommended to lay UTP cables that do not require grounding, are easy to install and at the same time are cheaper than others.
It remains to highlight two options for twisted pair crimping the connector:
- Straight through cable. to connect the port of the network card to the router.
- Crossover cable. for connecting two network cards.
To connect to a computer, a router needs a direct one. To connect to the camera, if one will be applied. cross.
Checking the video surveillance system
At the final stage of setting up the camera after the connection procedure, it remains to check the system, make sure that the installed and configured video surveillance really works.
To do this, you just need to set in the address bar of the browser
If everything is done correctly, the browser tab will display the video from the camera, the IP and port of which are hammered into the address bar.
Installing one IP camera
Step-by-step algorithm on how to connect an IP camera to a computer without a router:
- Find out the IP address of the video camera.
- Find out the IP of the local network.
- Install the webcam, connect the power supply, connect the IP camera to the computer with a crossover cable. Make sure that the lights on the video device are on to confirm that the connection is correct.
- Insert the disk with the software for the web camera with the connection and configuration programs into the drive and run.
- Change camera address.
- Register a port for the video camera.
- Disable ai pi camera and restart your computer.
Connecting the IP camera to the recorder
Next, the IP camera must be connected to the DVR.
This procedure consists of the following sequence of actions:
- The recorder is connected to the modem.
- The web address of the DVR is driven into the address bar of the browser.
- In the window that appears, enter the login and password from this device.
- The webcam is bound to the recorder in the configuration settings.
- Click “Save”.
- Web camera reboots.
If the video surveillance system includes a considerable number of video cameras, each one is tied to the DVR in the same way.
After connecting, you will also need to synchronize the operation of the devices, which is performed in the browser. system settings. You should go to “Channel Management”. “Modes”, select a channel and add a device, set its search, and after waiting for it to complete, enter the password and save the settings.
How to find out the IP
The owner can easily find out the IP of his camera in several ways:
- From the device label, if these numbers are indicated on it.
- From the instructions.
- Using the program on the said disc.
- If there is no software disc, download a suitable utility on the Internet (for this, it is advisable to go to the manufacturer’s website).
how to connect ip camera to dvr | how to connect ip camera to cp plus dvr by Tehnosearch
The correct way to find out the local network IP behind a laptop (computer):
- Press the Windows R keys to open a command prompt.
- Enter the text cmd into it, click OK.
- In the black window that appears, enter ipconfig, press Enter.
The system will display all the necessary numbers. We recommend that you write them down on paper.
A guide for connecting an IP camera to a computer will help you successfully cope with the task only if you have a complete set of equipment that makes up a single video surveillance system, all elements of which are compatible.
If only one IP camera will be used to organize video monitoring, the set of system components is minimal:
- The actual IP video camera.
- Power Supply.
- Video recorder.
- Hard disk for recorder.
- Hardware software disc.
In this case, connecting directly to a computer or laptop and the initial setup of the camera is much easier. But the recorder and X series camera from one manufacturer are preferred, be it the Chinese company Hikvision or another.
It is also recommended to include a GSM-informer in the video surveillance system. a device that gives an alarm by a call or SMS.
You do not need a special computer program to view cameras, you can enter their web interface through a regular browser. IP cameras, in fact, are designed to transfer data in video format to the network, so you need to browse the Internet with a good quality connection. A static IP address is also required. If you need to change the dynamic IP to static, you should contact your provider.
Installation and use of IP cameras with a Wi-Fi interface requires a laptop or a stationary computer with a working WI-FI adapter.
When can problems arise??
First of all, difficulties can arise when using a wireless USB modem. While modern digital video recorders are often equipped with a USB port for connecting modems and other peripherals, the situation with analog recorders is much worse. Most analog DVRs do not have USB connectors (and those devices that have them are unreasonably expensive, which makes it impractical to buy them).
When using wireless modems with aHD devices, there are two solutions to the problem. First, connect the modem to a router with a USB connector, and then connect the router to the recorder. The second solution is to use a computer, which also complicates the setup at times. Therefore, it is recommended to use digital recorders to transfer video via a USB modem, analog devices should be used only in the most extreme cases (when most of the necessary equipment is already available). It makes no sense to build such a video surveillance system from scratch.
Basic requirements for the video recorder
To connect an aHD device without any adapters or converters, the DVR must first of all be analog or at least have analog BNC (coaxial) inputs for cameras. Unlike older analog cameras, aHD devices cannot be easily plugged into tulips or legacy (non-BNC) antenna connectors. Firstly, the wire from the camera will not physically fit into the outdated connector. Secondly, the technical characteristics of “tulips” may be insufficient for high-quality video transmission over long distances, which is often required from a video surveillance system in offices or enterprises.
Connection without BNC inputs
To connect to a recorder equipped exclusively with RCA inputs (in common people, tulips), you will need to use a special RCA-BNC adapter. There are two disadvantages to using such a connection. The first one is additional costs (for each aHD camera you will need a separate adapter), the second disadvantage is serious video signal loss and interference during transmission over long distances (several tens of meters). The second drawback can be avoided by replacing classic adapters with full-fledged converters from RCA to BNC, but such a solution will cost a little more.
Connecting an AHD camera to an analog recorder
AHD is an analog video format of high quality and clarity, replacing the old analog and competing with today’s digital cameras. Despite the seeming hopelessness, analog devices continue their development and evolution, and aHD CCTV cameras are direct evidence of this. High-definition analog video surveillance systems are a good alternative to purely digital equipment.
Signal transmission from AHD via the Internet
Today, signal transmission from video surveillance cameras is not something strange, because in most homes, offices and even warehouses it is a daily necessity. There are several reasons for this. Firstly, it will allow protecting some of the frames from video cameras in case of intentional damage to the DVR itself. Secondly, this is facilitated by the spread of cheap Internet in almost all corners of the world.
In the case of using the classic wired Internet, no special problems should arise with the vast majority of modern recorders, because even the cheapest analog models are equipped with an Ethernet connector. To output video from cameras to the Internet you will need:
- Connect the DVR to a router, switch or computer network card using an Ehternet cable.
- Go to the settings of the registrar through a browser or bundled software (if available) by entering its ip-address (you can find out in the instructions for the device).
- Change the factory login and password, otherwise the registrar will be very easily hacked by intruders. It is also recommended to change the standard IP address, this is necessary for the security of the future connection.
- Open a gateway on a router or switch to access the DVR via the Internet. When connecting the recorder to a PC, you will need two network cards, one of which will need to connect the device, and the network card itself will also be configured as a gateway, otherwise the signal from the recorder cannot be transmitted via the Internet.
Advantages and disadvantages of AHD video surveillance
Video surveillance based on AHD video cameras and recorders has its own advantages and disadvantages. Advantages of this solution:
- Decent quality of shooting and video transmission, much better than older analogue counterparts. Although aHD is somewhat inferior to modern IP cameras.
- Easy to set up. It is not easier to connect and configure an analog recorder with cameras than digital ones. The opposite situation will arise when it is necessary to send a signal via the Internet.
- Relatively high stability of the entire system.
- Low cost of all equipment, in some cases an analog video surveillance system will cost significantly less than a digital one.
- High immunity from interference, comparable to digital video surveillance systems, which is ensured by signal transmission over a coaxial cable.
- Although the quality and resolution of the transmitted signal is at a high level, it is still inferior to digital video surveillance.
- The difficulty of transmitting video over the Internet. If the general setup of an analog video surveillance system is not difficult, then outputting a video signal via the Internet can give you that headache.
In the vast majority of cases, connecting aHD cameras to an analog recorder will not cause any problems or difficulties. An exception is the situation when the necessary connectors on the recorder are not available (too old device model is used) or the need to output and view the signal from cameras via the Internet. But even the most difficult cases are solved by using additional adapters and carrying out a more detailed configuration of devices.
Installing video surveillance at home. instructions. Connecting cameras and wires in a low-current cabinet.
Recently, any user has the information in his head that IP video cameras are much better than analog ones. This article will consider the principle of connecting both IP and analog models.
After all, only a few years ago high definition analog cameras appeared. These are AHD, CVI and TVI formats. In terms of resolution and picture quality, they are practically not inferior to the IP format, and at a cost several times cheaper.
They have a switch on the shank that allows them to be converted to analog PAL mode.
Before you directly mount video surveillance in your home, you need to depict on paper the locations of the video points, the location of the cable, etc.
In order to maximize the coverage of the entire space around the house, it is necessary to mount at least one camera on each wall. Another one would not hurt to put on the roof in front of the front door.
Here are all the materials you need to install an analog CCTV system:
It is best to use the brand VVGnG-Ls 31.5mm2.
Do not confuse with KBK-V. Brand KVK-P. this is a street version, and KVK-V. for laying inside the house. It is not UV protected.
Pre-check that the number of video inputs on it is equal to or greater than the number of cameras.
The minimum recommended volume. 1TB. You can use both large 3.5 “discs and small 2.5” discs. Smaller drives are much quieter and have lower heat dissipation.
For example, the same as used to connect LED strips. A standard power supply unit with a cable cross-section of 0.75mm2, is enough for high-quality signal transmission at a distance of no more than 500m.
Select the power of the unit according to the same principle as for LED strips. That is, the total power of all cameras is 30%.
if it is necessary for the cameras to work even during a power outage and the recording is not interrupted for a minute, then you will need a UPS (uninterruptible power supply)
They are needed to connect the cable to the camera itself and connect to the video input of the recorder.
If you do not want all your video surveillance to burn out at the first thunderstorm, do not skimp on this protection element.
The video recorder, UPS is most conveniently connected through a plug with a socket. Please note that all of these materials must be compatible with each other. Simple IP equipment will not match analog and vice versa.
Pick up ready-made video surveillance kits, or individual components. cameras, DVRs, cables, connectors, plus you can get acquainted with the current for today here.
The low-current switchboard, where the DVR, power supply, etc. are located, can be located in another room from the common 220V switchboard, sometimes even in the garage or basement.
Therefore, the first thing you need to do there is electricity.
Shtrob the walls and lay the VVGnG-Ls 31.5mm2 cable from the 220V switchboard to the low-current cabinet. Power it from a separate modular machine with a rated current of 10A.
In the low-current panel, connect the power cable to the terminals of another circuit breaker. He will be introductory for this cabinet. And already directly from it you connect modular sockets and a surge arrester.
The arrester is connected according to the diagram below. White and brown wire. this is the phase, blue. zero, yellow-green. grounding.
Connect the connectors, and then screw the disk into place with screws.
Then, from the sockets, use a regular plug to power the UPS. Most power supplies come without wires with a plug included, so here you have to do it yourself. Use PVA wires and a regular Euro plug.
Mount the plug on one end of the wire, and clean the other end and connect it to the unit to the 220V power terminals, designated as L and N.
There is no particular difference in phasing or polarity where to connect zero and phase here. Next, connect the power to the camcorders.
If there are not enough 12V output terminals on the unit, it is best to use the terminal blocks. Set them by the number of cameras and label the pins as “V” and “-V”.
Then, using the PGV wires, connect the output terminals 12V and V from the power supply, with the corresponding connectors on the first terminal block.
For the positive wire, it is better to use red conductors, for the negative one. black. The rest of the terminals are powered by jumpers.
Now you need to lay the KVK-P cable to each video camera, or rather to the place where you planned to place them. It can be laid indoors either in a plastic channel or simply over walls.
On the street, if desired, it can be protected with a corrugation, but not necessarily.
To protect the cable connections from the recorder and the cable from the camera from snow and rain, mount a junction box on the wall and run the wires into it.
Next, remove the top layer of insulation from the cable, about 8-9 cm and strip two power cores. Crimp them with NSHV tips.
Insert these wires into the male power connector. There are two connectors “” and “-“. As we have already agreed before, the red wire will be a positive contact, black. minus.
After that, remove the insulation from the coaxial cable.
Expose the central core by 3-4mm and mount the BNC-F connector.
Insulate everything from above with a protective cap.
Next, install the video camera itself on the wall. Run the wires from it into the junction box, where you just installed the BNC-F connectors.
Connect the connectors to each other in it and close the lid tightly.
To prevent moisture from getting inside, use a box with sealed cable glands on the sides.
All other video cameras on the walls of your house are connected in the same way. Each of them will have to pull a separate cable KVK-P.
Now all the video surveillance cables need to be disconnected in the low-current cabinet. First, connect the DVR itself via an uninterruptible power supply.
Then you clean the second ends of the KVK-P cable, brought into the cabinet, in the same way as shown above. In this case, connect the power wires (red with black) to the corresponding terminal blocks “V” and “-V”.
And the end of the coaxial cable, with the BNC-F connector installed, plug into an empty slot on the DVR. Where it says Video In.
Do the same with the remaining cameras.
All you have to do is configure the video surveillance by connecting the monitor to the recorder via VGA or HDMI connectors.
If the weak-current cabinet is far from the computer, you can use a laptop to configure it. And after that, output the signal to the monitor with a separate cable.
All software for setting up video surveillance must come with video cameras. If for some reason it is not there, then you can try universal software, for example from ivideon.
For the installation and installation of IP cameras, in addition to the materials indicated at the beginning of the article, you will need slightly other components:
PoE function allows both signal and power to be transmitted over the same cable through a single connector.
It is necessary to connect several cameras from one DVR at once.
Check in advance that all components are compatible with each other. Installation of the power section of the low-current board with a circuit breaker, sockets and a surge arrester is carried out in the same way as described above.
How to Upgrade your Analog CCTV System to IP video with a Hybrid DVR
The differences are in the connections of the DVR and cables. First, mount the PoE switch and NVR power supplies to the din rail. Connect their plugs through the UPS.
Install junction boxes near the cameras. Strip the cable from insulation by 2-3cm.
All pairs must be straightened and aligned in order according to the scheme of the EIA / TIA 568B standard. Colors are counted from left to right.