WI-FI IP camera connection via WI-FI router

Posted on : 10.03.2021
IP Camera 

WI-FI IP camera connection via WI-FI router

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For remote access to the video surveillance system, we need to have some kind of Internet channel, ideally it is good if it is a wired connection to the provider’s equipment. As a rule, between the equipment of the provider, from which the wire comes to us, and our internal network, to which the personal computer is connected, there is a device called a router or router. The task of this device is to separate the external and internal networks and create certain access rules from one network to another. Let’s consider connecting an IP camera through a router in stages. We will proceed from the fact that the video camera is connected, configured and added to the device, about this here.

There are two options for solving the problem:

First option. this is a connection through cloud servers when it is impossible to get a static IP address. In implementation, it is the simplest, here you just need to configure the address.

Option two is preferable. The presence of a “white”, static IP address allocated by the provider. This option will allow us to be independent of cloud servers, the path to which lies, in my case, at least half the country and a lot of providers, which ultimately affects the speed of connection with equipment as a whole.

Connecting to an IP camera via a cloud server

Let’s enter the device menu (IP camera or recorder) and configure the network interface. In principle, to connect an IP camera through a router, you can limit yourself to enabling the receipt of settings automatically from the DHCP server configured in the router (if it is, of course, configured =)). But I would not consider this possibility, since without additional settings of the router there is a risk of changing the IP address of the device automatically, which is undesirable, since in this case the device will be guaranteed to be “lost” by the system.

If the connection to the device is carried out via the Internet, and not in the local network (including via WI-FI) and the local IP address is not used, then you can put a cover opposite “Enable DHCP” in the “Network” menu item of the recorder or video camera.

But it is better if our recording is made on a PC, or a PC with installed software is used as an additional workplace of the system.

So, let’s go back to connecting the IP camera to the computer via a router. the version with the PC available in the system, which is used for video recording or as a monitor.

We need to connect the video surveillance system to the general network, which in turn is connected to the router. In addition, you need to make sure that all connected devices are within the same subnet range and that each has a unique IP address. Our next steps are as follows.

Initially, you must enter the correct gateway and DNS server address. As a rule, by default the router (router) has the first address in the used subnet (with some exceptions, for example, the MikroTik router breaks out of this rule, but this is generally a rather complicated device for a beginner in the settings). That is, we have the address of the router 192.168.0.1 or 192.168.1.1 (this address can be found in the instructions for the router, or, if there is a PC connected to this network, in the menu item “state”. “information” in the properties of the network adapter) we enter one from these values ​​to the item Gateway of the DVR or video camera in the menu item “Network”. We do the same with the item “First DNS”, in the item “Secondary DNS” set the value 8.8.8.8.

Then we save the settings by clicking “OK” and go to the “Network services” menu item of the device to make sure that the cloud service is enabled.

We leave this menu and go to the “Information” item, where we select the “Version” item and see the following:

We are interested in the line “Serial No.” (or “Serial ID”, “Cloud ID” depending on the type of device). It is represented as an alphanumeric value, example: 3CCDE2C48A63CDDE

We write it down, it is he who we will use to connect to the system.

In fact, everything has been done and it remains to add the devices to the software that will be used for remote work with the system, for example, the CMS software, let’s use it as an example and continue.

Select the “Devices” menu item, create an area with an arbitrary name in the list and select the “Add device” item. We are interested in the “Cloud” item, we put a kryzh in front of it and in the fields that appear below, enter the following values.

In the “Name” line, we arbitrarily name the device to be added, in the “Serial ID” line we enter the values ​​that we wrote down by taking them from the device, in the “Login” and “Password” lines we enter the default values ​​(if they did not change, of course, if changed enter your own) admin-for “Login”, leave the “Password” value blank and press the “Add” button

We considered further work with the added device last time, and since there are no differences, we will not return to it.

Connecting IP cameras via a router using a static IP address

Now let’s consider the option using a static IP, which we received from the provider.

Initially, we configure the network interface in the same way as described above, there are no differences in this paragraph. Next, we are interested in the port values ​​in the network settings of the device. By default, we have two main ports, this is the 80th HTTP port and TCP port 34567.

I will warn you right away that in order to ensure the network security of the device, I highly recommend not using the HTTP port at all, regardless of whether the port value has changed or not. Therefore, we forget about it and change port 34567 to any other, for example, 56789 or 24242. The fact is that port 34567 is quite compromised due to the fact that it is widely used in video surveillance systems, and it is this port that is used by cybercriminals to attack the device. So, instead of 34567, we enter our value and remember or write it down.

At this point, the configuration can be considered complete, and then we have to create a rule in the router and dwell on the common and not expensive routers of the Tp-Link company, and it is just at hand =), let’s get started.

Connecting an IP camera via a Tp-Link router

In the address bar of any browser, enter the address of the Tp-Link router and in the window that appears, enter the login and password to enter the device menu (by default, as a rule, password: admin, login: admin).

After entering the device menu, click on the “redirect” line and select the “virtual servers” item and press the “add” button.

Here we need to create our own rule. In the “service port” field, enter the port number with which we replaced 34567 in the registrar (if replaced of course), for example, let it be 24242. It is by this port number that we will refer to the video surveillance system, so it would be nice to remember or write it down. Then, in the “IP address” field, enter the value of the IP address that we specified in the network settings of the video camera or DVR, for example, 192.168.0.5 (it is for the device with this address that we create a rule).

In the “protocol” field, select the TCP value (this protocol is used by the system), the “state” field contains the default value “Enabled”, leave it as it is or change it if there is a different value. We are not interested in the “Standard service port” field, so we click “Save”

This completes the configuration of the router, it remains to add an IP camera or video recorder (hereinafter referred to as the device) to the software on the PC from which we will access the remote system.

  • to connect an IP camera via a router, install and run the CMS program;
  • go to the menu item for adding devices, arbitrarily name it;
  • in the “IP address” field, specify the value of the static IP address that the provider gave us;
  • in the “Port” field we indicate the port number with which we replaced the standard 34567 (in our example, it was port 24242)
  • in the “Name” and “Password” fields, enter the values ​​from the device (by default, the name is admin, the password field is left blank) and press the “Add device” button;

If everything was done correctly, the device with the created name will appear in the list of devices and you can start working with it.

IP address setting

In order for the video signal source and the routing device to work on the same computer network, it is necessary to register them with uniform IP addresses. General method of how to connect an IP camera to a router:

  • find out what addressing the router gives to the LAN interface (usually this is an address from the range 192.168.1.xxx, 192.168.0.xxx);
  • assign an IP from the appropriate range to the camera.

Connection options

Depending on the camera model and the functionality it supports, there are two options for receiving data from the device:

  • through a router and a third-party or manufacturer’s own cloud service;
  • directly, through port forwarding.

A router for a camera is suitable for almost any. To access from an external network, it must support port forwarding (which will be discussed below) and have an Internet connection.

Please note that the wireless video source requires a Wi-Fi router.

Wired connection

Many wired video devices have a default IP address specified by the manufacturer of the device, which is specified in the instructions. Before connecting such a camera to a router for the initial configuration, it will need to be directly connected to a PC / laptop with an RJ-45 Internet cable and set the correct addressing.

Important: for PoE equipment you will need an additional splitter device.

After that (for Windows), go to the “Control Panel”, find “Network and Sharing Center” in it, open it and go to the item “Change adapter settings”. A list of active and disabled interfaces will be displayed. If the physical connection is successful, there will be an icon of the active network connection.

Next, you need information about the default video camera address. Suppose it is 192.168.1.108, it is usually used in popular and inexpensive Dahua gadgets. Right-click on the connection icon, select “Properties”, find “Internet Protocol TCP / IPv4” and click on the “Properties” button below it. In the dialog that appears, you can view and configure IP addressing.

So, the default device address is 192.168.1.108. In the network settings for the computer, we indicate the following data:

  • IP address of PC 192.168.1.100. As you can see, it is in the same range as the connected video device, this is an extremely important requirement;
  • the subnet mask is set to 255.255.255.0. In most cases, either this is used for local subnets;
  • main gateway. equal to the default address of the camera.

Now you need to apply the changes. If the settings are correct, the camera (192.168.1.108) can be accessed with any browser. This will open the web interface (usually access to it is closed with a password, also contained in the instructions). In it, you should find the network parameters menu of the camera and enter the values ​​there that correspond to the internal network addressing given by the router. For example, if the IP of the LAN interface of the router is 192.168.1.1, then the camera can be assigned one of the range 192.168.1.2. 254.

At the same time, it is important to avoid network collisions. assigning one address to several gadgets. To do this, you either need to know exactly the addressing of all network clients, or use the automatic assignment of DHCP parameters by checking the corresponding item in the configuration menu.

When the settings are applied, you can disconnect the camera from the PC and connect it to the router, now it will become available from the internal network through it.

From the internet directly

To see a picture from a camera installed and connected via a router via the Internet, the following conditions must be met:

  • the presence of a permanent “white” IP-address;
  • Open port on the router “forwarded” to the signal source.

The port is recognized and, if necessary, changed in the web interface of the video camera. On the router, configure the firewall rules so that all connections to the external IP address and this port are “forwarded” to the camera. In professional terminology, this is called Port Forwarding; in the menu of routers, this function is sometimes placed on a tab with this name. In TP-Link devices, for example, the option is called “Virtual Servers”.

Important: sometimes the default port is 80. The same port is usually used to access the router configurator, so it is advisable to reassign it in the camera settings to a less standard one, for example, 10000, and others.

If everything is done correctly, then the gadget and viewing data from it will become available via a link of the form:

Connection via router and cloud server

Some cameras are natively supported by the developer’s cloud. So, for example, it is very easy to set up a Hikvision camera: remote access, recording and viewing of data can be organized through the proprietary Hik-Connect service. But popular cloud services allow users to run almost any gadget into them, as long as they support the required protocols. Among the most popular are RSTP and ONVIF.

Important: the network must already be configured on the camera, and the required ports must be “forwarded” on the router.

Let’s look at how to set up a connection using the Angelcam service as an example.

First you need to register an account at https://my.angelcam.com/. This is done with the usual “mail-password” pair, or using authorization via social networks.

Next, the site will offer to connect the camera:

In general, the choice should be stopped on Regular IP Camera.

Here you can select a device from the list of supported ones, or simply add it manually. The process indicates:

  • external IP address;
  • if the device is protected by a username and password, the corresponding “tick” is marked and credentials are entered;
  • if it is necessary to manually specify the port, check Set Port Manually and enter the previously specified network port number.

Next, just click Detect camera, and, provided the settings are correct, the camera will be connected to the service.

Other “clouds” are connected in a similar way. In some cases, for example, with Xiaomi “smart devices”, the process is simplified to launch the application and scan the QR code, although when working through a router, forwarding of network ports is usually required for normal operation.

How to connect an IP camera to a router

A modern surveillance system should not only broadcast video from cameras to a local monitor, but also make it possible to access data remotely. This requires an internet connection and a network-capable camera. The provider’s network cable can be passed directly to the IP camera, but this is far from always applicable or convenient (and even impossible if the camera is Wi-Fi, and in many residential and commercial premises, Internet access is provided by a router. Next, we will consider how to connect IP cameras via a router.

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Retrieving data

So, the device is installed and ready to use. The video stream of the configured camera can be received directly from the local network (by wire and via WI-FI), via the Internet or through specialized cloud services.

From the local network

After completing the settings, a regular IP camera is immediately ready to broadcast streaming video to the network. You can connect in the following ways:

  • by going to the web interface;
  • by putting the video device into one of the supported surveillance programs, “native” or third-party. At the same time, it is desirable that the device supports the ONVIF protocol, this will significantly expand the list of acceptable software. In addition, it adds additional functions such as hard disk recording, video archive, and more;
  • using a media player, if both it and the camera support broadcast protocols (for example, RTSP).

How to set up an IP camera via a router

So, we got an idea about IP cameras, now let’s figure out how to connect an IP camera to a router.

Choosing a connection method: without using a wire or wired.

If we choose the second method, we need a special UTP cable in order to connect the router to the camera. Next, go directly to setting

  • We connect all the elements of the future surveillance system:
  • We enter a special panel for controlling the camera.
  • For this step, we need the IP address assigned to our camera to set the same subnet to the configuration computer (in most cases, you will find the IP address on a special sticker on the bottom of the device or in the product passport). Let’s say the value of the address is 192.168.0.20.
  • Open the “Network Control Center” in the computer (“Start Control Panel Network and Internet”). In this menu, go to “Local Area Connection” and then to “Properties”. In the “Internet Protocol version 4” window, make the following settings.
  • So, we have done the subnet setup. The next step is to launch the browser.
  • In the search bar, we drive in the address of the IP camera (192.168.0.20) and enter the necessary data for a successful login (you will also find the data either on the device itself or in the passport).

With just one camera, nothing else is needed. If there are more cameras. go ahead.

  • We change the IP address depending on the spread of the local network values.

Knowing the address of the router (we are looking for it in a similar way), we set it for our camera, changing the fourth value in it. Let’s say: the address of the router is 192.168.1.2. For example, we select the address for the camera 192.168.1.11 by checking the box next to “FIXED IP” and entering the corresponding values.

  • Having saved all the changes, we disconnect the computer and the IP camera.
  • We connect the camera and router via the LAN connector. We set up a LAN connection (if we use a wired connection between a computer and a router). In this step, we set up the auto-acquisition of the IP address and DNS.
  • We find in the WIRELESS menu to ensure a wireless network connection in an automatic manner. Here we need the SSID and password. After that, we save the process and restart.
  • Disconnect the first camera from the router and connect the rest in order. Their characteristics will be identical, with the only difference in IP addresses and ports. After completing this process, you can start configuring the router itself.

How to connect an IP camera to a router

Different manufacturers have different setting menus, but the general course is about the same: we need a Forwarding menu item (or something similar). To do this, turn on the virtual server and make data entry (see fig.). If there is more than one camera, then such actions must be carried out for each separate camera.

If you are the owner of a static IP address, enter in the search bar of your browser: http: // your address: 8181. After that, you will be taken to the tab showing the first camera view.

Usually, everyone has a dynamic address by default. In this case, we proceed as follows: turn on the DNS client in the WAN menu. For example, ASUS provides its server and its use is free of charge. Otherwise, we may use third-party services (NO-IP and others).

After saving all the set parameters, we can go to the address received during the service registration. Congratulations: from now on you are aware of all the issues of connecting an IP camera to a router via Wi-Fi.

How to properly connect an IP camera

Being more high-tech devices compared to conventional webcams, IP cameras contain an Internet server, a network interface and can directly connect to the Internet. Connecting an IP camera via a router is possible via Wi-Fi or via a wire (over long distances), power is supplied via the ETHERNET connector.

About the features of the device

IP cameras use a web protocol to transmit the video signal. These devices are used mainly for surveillance and control systems for the protection of various premises, transmitting a video signal through the World Wide Web. Cameras have a digital proximity function and a motion sensor.

Video captured by the IP camera can be viewed from any computer connected to the network. The use of IP cameras is justified when there are a number of video surveillance devices.

Differences between an IP camera and a regular webcam and advantages:

  • Autonomy of work (without the obligatory connection to a PC).
  • Constant monitoring of the protected premises.
  • Full functionality requires a router and an IP address.
  • To see the picture from the camera from any PC on the network, you just need to enter the IP address of the camera in the search bar of your browser.
  • High quality video resolution with zoom capability.

Usually, the installation process takes place simultaneously with the planned repair of the premises, which makes it possible to lay a cable (at large distances between cameras), but if you are not upset with wires in a conspicuous place, connecting and configuring an IP camera to a computer through a router is possible at any time, here is a choice After you.

It is possible to completely abandon the laying of wires using a Wi-Fi router for IP cameras, but there will already be limitations associated with the distance from the router to surveillance cameras, the presence of obstacles in the form of walls, furniture, because the quality and strength of the Wi-Fi signal is directly dependent on these factors.

Remember that most routers do not distribute a Wi-Fi network over sufficiently long distances, therefore, in order to avoid problems with the quality of the Wi-Fi picture or sound, setting up an IP camera through a router makes sense in small rooms in the area of ​​reliable signal reception by network devices. In all other cases, a wired connection is required.

What is a router for?

I work as a private computer foreman. I have been professionally engaged in computer repair for over 12 years, as an amateur since the 90s.
For two years he worked as the head of a service center specializing in connecting subscribers to the Internet and computer assistance.

wi-fi, camera, connection, router

Configuring a router and port forwarding

Now the surveillance device is connected to the router. Of course, we can now access it from any device that is connected to the network. For example: connecting an IP camera to a computer via a router also happens: open the browser and enter the IP as when setting up.

But in order to have access to the video camera from the outside via the Internet, you need to forward ports. To do this, from a computer or laptop connected to the router, go to the web interface of the Internet center. To do this, you just need to enter the IP of the router in the browser.

NOTE! If you have difficulties with entering the gateway settings, then look at this instruction.

Next, I will show on the example of an ASUS router. Everything is done by analogy. The most important thing is to find a port forwarding point. We have a separate article on TP-Link here.

  • Usually “Port Forwarding” is located in the “Internet” or “WAN” section, where the Internet connection is configured. Turn on the service and add one rule;
  • We enter the name of the rule. you can specify any. Be sure to specify either a range of ports, or only one port. We have it 8080. And the final one must specify the IP of our final device. At the very end, click “OK”;
  • If you have several cameras, then similar rules can be configured for each.

Now, to access the device from the Internet, you need to enter the external IP of the router in any browser. To find out, you can go to the site 2ip.ru. For access, you must specify the IP and port through a colon in the browser. For example: 78.107.25.32:8080.

Connecting an IP camera to a computer via a router and access via the Internet

Hello everyone! In the article today we will talk about connecting an IP camera through a router. It is clear that you can just connect the camcorder to the router, but it’s not a fact that it will work. In any case, we need to first enter the correct IP address settings in the camera itself. Next, we will connect it to the router.

It’s not so difficult to simply connect, but how can you now have access to it via the Internet. To do this, we will forward a port in the router that will point to the video surveillance device. Roughly speaking, we will access the external IP of the router from the outside, and to access the camera we will specify the required port.

Connection

Our task now is to connect to the video camera directly. We will connect via IP, which is usually found either in the documentation or on the label glued to the case. The very first thing we do is take a network cable and connect one end to the camcorder, and insert the other into the network card of a laptop or computer.

And so, we found out the address, in my case it is 192.168.1.88. Another problem is that when you connect it to a laptop and a computer, there is no DHCP server on it (it may be disabled), that is, your computer will not be able to get its IP automatically. And without an address, like a person without a document, a computer has no power.

Now our task is to go into the settings of the network adapter of a laptop or computer and register the settings manually.

  • Find on the keyboard two keys “Win” and “R” and click on them;
  • There will be several connections, you must select the one through which you are connected to the device. You could also be connected via Wi-Fi. Right-click and go to “Properties”. Now you need to go to the IPv4 properties. We indicate the bottom checkbox and enter the parameters manually.
  • IP address. the first three digits should be the same as for the IP camera, but the last one can be specified any, but not the same as on the connected device. I entered 24;
  • You don’t need to enter anything here, just click here with the mouse;
  • Main gateway. enter IP cameras;
  • Click “OK”;

    • Customization

    • Next, you need to enter your username and password. It is also usually indicated on the label or in the documentation. But most often it is not there during the initial setup;
    • And so, you need to find in the menu the settings that set the IP cameras. But before that, you need to find out the IP address of your gateway or router. Most often this is either 192.168.1.1 or 192.168.0.1 (it is also written on the label under the router case). Next, go to the DHCP menu (it can also be called differently, so you need to look here):
    • IPv4. enter static IP here. The first 3 digits must be the same as the address of your router. The latter can be specified any;
    • Mask. 255.255.255.0;
    • IPv4 gateway. enter the address of the router here;
    • Multicast address is not available everywhere. If you have a static address in your computer, then you can drive it.
  • In the end we save. Also, if DHCP is enabled on the camera and there is such a function in general, then turn off.
    • Also, almost all video cameras have the ability to assign a port. But you don’t have to.
    • We disconnect the video camera from the computer and connect it to the router. You can connect to any free LAN port. Also, do not forget to return the network adapter settings as in the picture above.

    I have a gray or dynamic IP

    Now one more problem that may arise. The fact is that now the provider is most often used gray or dynamic IP. That is, after some time, this external address will change. Therefore, if you have a “speaker”, then you need to use DDNS in the router settings. This is a special service found on almost all routers.

    CONNECTING THE IP CAMERA

    Manufacturers of modern electronic devices have long made IP video surveillance cameras available to the average user. However, the lack of knowledge about connection methods often baffles novice installers of a network video surveillance system.

    Below is information about the main ways to connect an IP camera to various devices:

    • router;
    • video recorder;
    • computer.

    To begin with, about the main methods of video signal transmission.

    There are two main options here.

    At the same time, it doesn’t matter whether the video camera has a built-in WI-FI module or is it connected to a WI-FI router. It is recommended that the first launch of the IP video camera be made with a direct connection to the PC from which the login and password of the wireless network are entered into the program shell of the device.

    In addition, the IP address of the video camera is changed (in most cases, the default is 192.168.1.1). The IP address can be changed to a static “white” one, obtained for an additional payment from the provider, or you can assign an identifier to the DDNS device and in the future contact it through the free DDNS service. After preliminary adjustment, it is turned off, installed in its original place and restarted.

    The WI-FI camera is connected to the network. a new device appears, to which you can connect remotely, knowing the username and password.

    In most cases, we are talking about devices with a built-in GSM module. Setting them up is much easier, because the SIM card already has its own unique address. But the client software must be installed on the readers. In addition, when calculating operating costs, you should remember about the subscription fee for using the number and the Internet for the mobile operator.

    The classical method of image transmission from an IP video camera is via UPT cable of the fifth category (twisted pair). However, it has one significant drawback, the signal transmission distance does not exceed 100 m.For longer distances, additional switches should be used.

    There are hybrid devices that can work with both twisted pair and coaxial wire. They are capable of transmitting a signal at a speed of 100 Mbps. at a distance of 600 m to 1.5 km. For example, active amplifiers of the CooperLin series from the manufacturer ComNet.

    LAN Power Systrms releases the VP-7000 (VIPER) series of devices, which are capable of transmitting not only video signal, but also power and control commands over twisted pair cables over a distance of up to 1.4 km. In addition, amplifiers and converters of the VIPER series are passive and do not need an additional connection to the power supply network.

    Their popularity is due to the large number of analog networks that are currently in use. For example, the transmitters of the AVT-EOC950 or ST-VBT20 model are capable of transmitting images without loss of quality over a distance of up to 400 m. Via coaxial at a speed of up to 30 Mbps.

    And a pair of ST-VBT2 / ST-VBR2 models can extend the transmission distance up to 2 km. For passive devices with the same principle of operation, the transmission range is significantly shorter, it is 90 m at a signal transmission rate of up to 10 Mbit / s. For example, model B-204 from Channel Vision.

    The most expensive way of transmitting video is optical fiber. However, this is the only way to transmit a signal without loss of quality over a distance of tens of kilometers.

    To connect a fiber-optic conductor to IP surveillance cameras, you can use the Sigura ECO-plug video signal converter from Sigura B.V. it carries out image transmission at a distance of up to 20 km.

    CONNECTING THE IP CAMERA TO A COMPUTER

    By connecting the IP video camera to the PC directly through the network card and entering its default IP address in the address bar of the browser, we will not receive images or access to the WEB interface. The fact is that both devices are in different address ranges.

    You must first (temporarily) change the IP address of the computer to get into the internal program of the camcorder (How to do this is described above).

    We find an IP video camera using a regular browser or a special program. For example, for Hikvision, this is the SADP program, which is downloaded from the company’s official website. It is more convenient to work with the program if there are several IP video cameras of the same manufacturer in the network.

    Cameras can also be connected through a switch (switch). In this case, the maximum number of IP cameras is limited only by the bandwidth of the cable coming from the switch to the PC. Depending on whether the video camera is connected through a switch, directly or through a switch, the use of various cables is required:

    Serves for connection of different types of MDI devices. MDIX: switch computer; computer. router, etc.

    Designed for connecting devices of the same type (PC-PC, switch-switch)

    POWER SUPPLY FOR IP CAMERAS

    There are two ways to connect power supply for IP surveillance cameras:

    Laying a separate power supply line from an external power source.

    Depending on where the CCTV camera is located on the street or indoors, it can consume different amounts of electricity. To provide outdoor cameras, a cable with the parameters of a standard household power supply 220V 50 Hz is often used.

    Inside the thermal casing, the adapter distributes the incoming energy for power supply:

    • heating and air conditioning elements;
    • sources of infrared lighting;
    • power drives PTZ system;
    • the IP camera itself.

    In this case, it is recommended to use a combo LAN cable ParLan combi U / UTP4 Cat5e. It represents a single cable, under the protective sheath of which there are twisted pair in separate foil protection and two power wires.

    Power transmission of the IP video camera is carried out via twisted pair cable simultaneously with the video signal.

    For this, both the camera and the router must support PoE technology. The only drawback of this technology is the limitation of the power transmission range to 100 m.To solve this problem, several additional devices can be used:

    PoE repeaters are passive devices that extend the Ethernet network segment by transmitting data and power according to the IEEE 802.3af PoE standard in excess of the limited 100 m. Transmission can be carried out via UTP CAT5e / 6 Ethernet cable. Range of additional amplification 100 m.

    Several devices can be connected into a single circuit that do not require connection to the power supply line. In addition, the NIS-3200-102PR model has two rj 45 outputs, which allows powering 2 devices at a remote monitoring site.

    VDSL2 converters. can provide power supply transmission over a distance of up to 1.5 km. For example, the VDSL2 qBRIDGE-307m model is capable of providing power using PoE technology up to 300 m for a standard UPT cable and up to 1.7 km for a cable with a core cross-section of 0.5 mm.

    PoE Extender. devices supporting this technology are able to provide power to an IP surveillance camera, power supply to the elements of the thermo-housing, work of IR illumination at night at a distance of up to 500 m.

    CONNECTING THE IP CAMERA THROUGH A ROUTER

    When connecting one or more IP cameras to the router, you must sequentially perform the following steps:

    Login to the internal WEB interface of the IP camera. This can be done by entering the IP address of the device in the address bar of any browser. The camera address can be indicated either on the packaging or in the device passport.

    First, you need to configure the PC subnet in accordance with the IP address of the camera by following these steps:

    • We enter the “Network Control Center” “Local Area Connection” tab “Properties” line “TCP / IP v4”.
    • Enter the static IP address of the PC so that the first two digits match the IP address of the camera.
    • Launch any browser and enter the camera’s address in the address field. We change the IP addresses of all cameras that will be present in the video surveillance system. As an example, we take the address of the communicator, changing the last digit, write in the line of the IP camera.
    • We save the parameters, disconnect the camera from the PC and connect the device to the LAN port of the router.

    Different manufacturers make different settings menus, so you need to study them and find the “Port Forwarding” menu item. In the WAN menu item in the “Virtual server” tab in the list of virtual servers, enter the names and unique static IP addresses of cameras.

    If the communicator has a static IP address, you can connect to the first video camera by typing http: // (IP address) 🙁 port number) in the address bar. But more often than not, the provider provides the user with a dynamic address. Therefore, it is necessary to register with the DDNS server. We register as many unique names as there are IP cameras.

    You also need to do port forwarding on the router. This is done in the following way. We enter the WEB interface of the switch, find the “Additional settings” tab of the WAN submenu. Go to the DDNS tab. We put the switch on “Enable DDNS Client”. And we indicate the address of the server from which we will receive services (where we registered). This can be the server of the router manufacturer’s company or an outside free resource.

    We save the changed parameters. By going to the address registered in the DDNS service, we get access to the image of the camera that has been assigned this unique name (it is assigned in the “Virtual Server” tab).

    The advantages of this connection method are the ability to remotely view video information from any device that has Internet access, even without specialized software. The number of connected devices is limited not only by the number of ports, but also by the bandwidth of the router itself and / or the width of the channel provided by the provider.

    This limitation can be circumvented by artificially reducing the maximum resolution of cameras and the number of frames per second to a level where the total information flow from all devices will not be approximately 80% of the switch bandwidth.

    CONNECTING THE IP CAMERA TO THE RECORDER

    Unlike analog cameras, which immediately after connecting to the DVR begin to give a picture, IP cameras need preliminary configuration. Especially when it comes to connecting to hybrid DVRs. The process of adjusting the parameters of IP cameras is carried out in several stages:

    Connecting an IP camcorder to a PC. directly or through a router.

    Changing the IP address of the camera to one in which the first 3 digits coincide with the corresponding data of the DVR. The fourth number can be anything, including the same as the addresses that are already occupied by other equipment, since this network practically does not intersect with the office.

    The settings indicate not only the IP address of the camera, but also the used data transfer protocol. (should be similar to that used in the registrar). Most models require a username and password to authenticate on the network.

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    Working group. SSID. MAC ID.

    The basis for creating a network of two computers is the same name of the workgroup to which both computers belong, then the IP addresses of the same order, then. password access. The use of password access in network connections is mandatory, and its non-use. possible, but causes a bunch of problems and denials of service.

    However, when connecting via Wi-Fi, you do not need to specify a workgroup. Only network name / SSID ID and password to connect to the network. With this method of connection, although the connected device seems to be a member of the network. But, in both directions, and to the server / and to the client. there may be a significant restriction on the performance of specific actions other than those specified / permitted.

    Thus, there are two main problems that are difficult to solve.

    make one of the devices act as a server in order to have the second device connect to it and provide some data transfer. To make it happen. 2 copies of the WI-FI program must be running on one device: one as a server, the other as a client. In this case, the same device will be both a server and a client, which will give it the right to be considered a full-fledged network, with the ability to connect a second / other devices to them. I don’t know yet how to solve this problem, since specialized software is required.

    provide a connection between two Wi-Fi adapters by MAC address, such as 00: 00: 00: 00: 00: 00. Such connections work, however, they often require semi / manual assignment of services that are allowed to them, and, apparently, specialized drivers to ensure operation, which in our case is also a problem.

    I re-read the article again and found an incomplete point, from which all this cat dance began.

    DroidCam Wireless Webcam. WI-FI Server connection type. So, here it is. This server works only if there is a connection to a Wi-Fi network. And (a server is created). not outside the computer (for connecting devices). and, inside, to connect the browser to the camera / to the IP address that is configured for the camera. I.e. that’s not it either.

    Networking between smartphones.

    What else. The only thing that we really managed to do. so it is to connect two Android smartphones via WI-FI using the Wi-Fi Webcam program. CocoGame. The program has 2 buttons. Create / Create a video server of the camera and Join / Connect to view the camera. No Wi-Fi network / access points are required, since the phone / smartphone itself, like a WI-FI router, distributes video. All other phones must be connected to his Wi-Fi connection. One / Create. creates a video server, others / Join join it to view the video from the Android smartphone / phone mobile camera. The phones are old, everything is buggy, the connection is lost. however, it is the only working solution to wirelessly transfer video from a mobile phone camera to another smartphone. I.e. organization of video broadcasting / video surveillance between two mobile devices.

    Test of the WI-FI Camera Viewer program. Lizi-Tech revealed that although it has settings for an access point. connect to the Wi-Fi Webcam / CocoGame video server. can no longer, let alone broadcast video. Although this could be a hardware problem, I’m not sure. I’m more inclined to problems with programs, protocols and drivers. Perhaps, when writing programs for mobile, they are guided by a regular Wi-Fi connection, and not by a built-in mobile router, which can be controlled in different libraries. Therefore, there are two solutions. or wait for new, high-quality programs, or acquire a Wi-Fi router.

    Ping. checking network connection with PC.

    After re-reading everything from the very beginning, the suspicion arose that I was. dull. When reading instructions, it was explicitly indicated somewhere.

    Make sure your phone is in Wi-Fi tethering / router mode. active. Here it is, Semyon Semyonitch. That is, a phone / smartphone can initially be a router, even in the absence of another WI-FI network. And a computer / laptop can really connect to it like a Wi-Fi access point.

    But, the joy was short-lived. ))) When examining the Win7 GPS Sharing and DroidCam programs, which show the address of the current connection for input on the PC. in any case, I could not connect to either program, that is, to receive a data stream.

    Extending NVR Signal (IP Cam Repeater, Network Switch and WiFi Router/Repeater)

    # Network distribution is disabled, IP: 10 132 104 149; when the Win7 GPS Sharing program starts, it changes the IP: 10 81 136 29; ping from PC does not work, files are not transferred.

    # Bluetooth enabled, IP: 10 81 136 29; when you restart the program. IP: 10 81 136 29. does not change. Ping is crashing. Files from PC are transferred.

    # Modem and router mode / WI-FI access point, IP: 10 132 104 149; at startup the Win7 GPS Sharing program changes only the driver IP, IP: 192 168 43 1; Ping = Ok / both addresses.

    When you enable / disable the network on the phone. The IP address changes, which is a problem. But, not as important as others: the DroidCam program never sees the WI-FI address of the phone’s router, IP always = 0.0.0.0. When connected to a Wi-Fi router Android smartphone. The PC always sees both the IP of the smartphone and the IP settings of the Win7 GPS Sharing program. but can’t get data in any way.

    Networking Notes.

    Note. Regarding browser access to the internal PC server. Of course, the old Internet Explorer will work better (more stable) than the updated Google Chrome browser. If you remember, most of the official dealer programs. are oriented and work only with Windows / Internet Explorer support, thanks to advanced internal integration and support. No Linux / Chrome, Firefox, Opera in most cases. do not whip. Chrome is overly jealous of user safety and chops off untrustworthy technologies and connections. long before their official closure (works ahead of the curve).

    Note. The article mentioned, but did not cover, a way to connect an Android smartphone to a camera using a USB connection (cable). Meanwhile. it is a much more stable way of communication: a USB modem connected by a cable to the USB port of the PC. compared to a WI-FI connection. Just many, I’m sure. were not puzzled by this method of network access via a smartphone, in particular. to the internet. There are two ways to enable and use USB tethering on an Android smartphone, and both. workers (checked personally).

    # Windows XP. When connecting a smartphone. drivers cannot be installed automatically. You need to download and install Tethering Drivers for Windows. then it becomes possible to use the USB modem of the smartphone via the DATA cable (not charging!) connecting to the computer.

    # Windows 7. Connect the smartphone with a USB cable to the PC in the External storage mode (flash drive). but do not connect it to the PC. Go to Settings. Wireless networks. Still. Modem and router mode. the USB modem menu item will become active and must be turned on. At the very first connection. drivers will be automatically installed, Windows will detect a new network device and display a standard window for selecting a network connection profile: home, organization, public. Because. each time the cable is reconnected, new IPs will be assigned (from the range of allowed). not to answer the same type of questions at least 255 times. better / immediately check the box (at the bottom of the window). in the future, consider all such connections as to the public network (the highest level of security).

    As I have not done further research. I can’t say for sure: it will / will not work. Choose a public network / or, after all. home, with a high level of privileges for transferring files and streams. But. I suppose that the cable connection is much less restrictive than the wireless one, if only because. control is expected from the side of the user’s actions, not the anonymous remote subscriber. Wired connection, too. has a higher speed and stability of communication due to less interference, bit rates and always a stable signal level.

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    Installing Wireless Drivers.

    I seem to be starting to guess. The fact is that. for WI-FI to work, it is not necessary to install special drivers for the Wi-Fi transmission / reception device on the computer. The standard set of pre / installed Windows drivers already allows you to use Wi-Fi as a point to connect to the network. But, it is quite possible that these drivers are not intended for creating / organizing your own WI-FI network server, and in order to get these capabilities, you need to install a set of proprietary drivers for the Wi-Fi device. I have Intel (R) WI-FI Link 5100 AGN installed, so I need a set of drivers from a Samsung computer manufacturer for Intel WI-FI.

    Yes. Half a day minus, killed network. And no result. Well, what is it really? We are not launching a rocket into space. We connect the camera on Android to Windows. Devices of quality g, on a class basis, must recognize each other automatically. Or. should not ?

    So so. Samsung Intel WI-FI drivers cannot detect the Intel WI-FI adapter installed on the computer / laptop. There is only one solution. Install Intel drivers by Wi-Fi device model.

    And, even this solution. won’t be able to help. Because. all solutions are focused on three main areas:.

    Organization of a network connection for arbitrary transfer of any data between the current computer / local Wi-Fi point and the WI-FI server / Wi-Fi broadcast point. For now, just pay attention to it.

    Establishing a network connection for file transfer point. point, using the available access of both devices to some working WI-FI network. By simply overtaking digital anonymized data from one point to another, using an already existing network.

    Organization of a network connection to gain access to the Internet, when one of the computers in the existing network has a direct / cable connection to the Internet and does not prohibit its use via Wi-Fi to connected devices (other computers / laptops / mobile phones). That is, it is a broadcast Internet access.

    Differences between Bluetooth and WI-FI.

    Then I read about the AD-HOC / Bluetooth network connection. Major differences.

    AD-HOC / Bluetooth. fast deployment of decentralized low security networks with dynamic routing.

    LAN. wired networks, data flow control using a router.

    WLAN / WI-FI. wireless networks, data flow control using an access point (with built-in router).

    Wherein. and Bluetooth / and WI-FI. they are essentially wireless networks. Even my MAC addresses differ by only one digit. AB: CD: EF: 00: 00: 23. AB: CD: EF: 00: 00: 24. it may indicate that they are on the same wireless adapter card.

    But, don’t the cameras of drones with mobile phones work somehow? They work. Not all cameras. And not on all drones. And, I suspect, not with all mobile phones. And for sure. not under Windows. There, too, there are enough of their Linux troubles. But, the most important thing is to know. the drone must be able to present itself to the environment as a Wi-Fi hotspot.

    How to watch video from camera, Android smartphone on Windows computer.

    An interesting challenge. How to pair Android with PC / computer, phone or tablet to transfer the image from the built-in Android webcam to the computer. It seems to be the simplest task. The computer / laptop has WI-FI. Android also has Wi-Fi and a camera. What’s the problem, why doesn’t he want to work?

    First, you need to select a program for transferring the camera image via WI-FI. From Google Play.

    WI-FI Camera Viewer App. Lizi-Tech is one of the simplest and should communicate well with Chinese devices. But, somehow it didn’t go.

    IP Phone Camera app. Deskshare, Inc liked its ease of launch and easy browser controls. Although, as it seemed, it slightly podglyuchivaet when closing. Yes. Exactly. buggy. Goodbye. Easy to open only the first time. Then it starts to hang.

    The next step. you need to connect the devices over a Wi-Fi network. As it turns out the presence of the WI-FI icon. is still not talking about anything. and this is the hidden problem.

    If you have a home / work Wi-Fi network through a router. just connect on your smartphone and PC using the connection information provided by one of the devices, usually from the program on your phone / Android smartphone.

    If there is no WI-FI / router available. no network, no network access.

    On a smartphone, modem and router mode, Wi-Fi hotspot. can only be used to distribute Internet traffic to one or several devices.

    ES Explorer. connection to a computer via WI-FI via FTP. File manager.

    Total Commander. connection to a computer via Wi-Fi via FTP. File manager.

    SambaDroid. Berserker, File Manager. Server. Requires Root rights. Closer, but also not the same.

    Thus, the right question should sound, in a particular case: how to stream video over WI-FI without a router. Or, in general, how to connect an Android smartphone and a computer via Wi-Fi without a router.

    DroidCam Wireless Webcam. Dev47Apps, a camera on a mobile for communication with a computer, using almost all types of connections and a Windows client for PC, however, intended for use in messengers Skype, Live, Google.

    Install and run DroidCam Windows Client. It has three ways to connect.

    USB. USB cable / lanyard connection.

    WI-FI Server. through the launch of the Wi-Fi server. Let’s dwell on this in more detail.

    Some previous programs have also tried to act as a Wi-Fi server. only they did not succeed. This did not work for the DroidCam Windows Client either. the server starts up, but the phone / smartphone cannot detect / catch it.

    If, on the computer, go. Network and Sharing Center. Wireless network management. Networks available for viewing, changing and reordering. Select. Add network. Network type: computer. a computer. SSID: set the name of the new network. Set a password for accessing the network at least 8 characters. Availability: for all users. and run this network then. The phone / Android smartphone will not be able to catch / connect it either. What is the problem ?

    How to connect an adsl modem to a WI-FI router?

    Here we will dwell in detail on how to connect a WI-FI router via an adsl modem.

    • 1. Connect either end of the cord to the modem’s ADSL connector labeled “LAN”. If there are several such connectors (LAN1, LAN2.), then you can use any of them. On some models, this port is designated “Ethernet”. this is an alternative name for the RJ-45 connector;
    • 2. Place the other plug of the patch cord into the “WAN” jack of the Wi-Fi router (which can also be labeled “Internet”);
    • 3. Connect the ISP’s Internet cable to the DSL connector of your modem. There are also the following designations: “ADSL”, “Line”. A standard ADSL modem connection diagram is shown in the figure:
    • 4. Make sure both devices are plugged in and turned on.

    How to set up a WI-FI router via an adsl modem?

    To configure a Wi-Fi router to connect to an ADSL modem:

    • 1. Go to the web interface of the Wi-Fi router;
    • 2. Find the section WAN-connections, in it. the item “Connection type”. Select “PPPoE” from the drop-down list;
    • 3. Enter the PPPoE connection parameters: this is the password and login.
    • 4. Save the router settings. with the correct data entered, the adsl modem / WI-FI router Rostelecom bundle should work properly. Read about the correct configuration of the local network parameters on a stationary computer in the articles network connection onwindows7 / windows8 and local network onWindows XP, and the subtleties of connecting to WI-FI mobile devices are discussed in the articles how to connect a phone to a router and wireless authentication error: what to do.

    All about local area networks and network equipment

    Your Setevichok

    How to connect a WI-FI router via an adsl modem?

    Before connecting an adsl modem to a WI-FI router, you should make sure that the modem is correctly configured and capable of providing a stable Internet connection.

    You will also need data for authorization. they are indicated in a copy of the agreement concluded with the provider.

    In addition, you will need a twisted pair crossover cable. This cord is supplied with most routers.

    It is short and terminates at both ends with an RJ-45 plug resembling a telephone connector.

    So, to connect a WI-FI router through an adsl modem by Rostelecom, you will need a direct ADSL modem, a Wi-Fi router and a connecting patch cord.

    Configuring a classic adsl modem / WI-FI router by Rostelecom is described in detail in the articles modem connection Sagemcom f @ st 2804 and customization modem zte zxhn h108n.

    Connecting a WI-FI router via an adsl modem Rostelecom: possible problems

    If an error occurs when connecting an adsl modem to a WI-FI router, first of all you need to check the following points:

    • 1. Are the network cable connections reversed? Check that each cable is installed in the correct port;
    • 2. Is the ADSL modem configured correctly? Make sure that the modem has an Internet connection (the corresponding indicator should be on);
    • 3. Is the Wi-Fi router configured correctly? Check the correctness of the specified data in the PPPoE connection settings (first of all, the login and password).
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