Digital video surveillance system. Expensive but nice



An article based on the construction of an analog video surveillance system by lay people .
Continuation of this article: Digital video surveillance system 2. Video recorder, software and load testing

Objective : to equip the service station with a video surveillance system. Access to live image from several workstations. It is advisable to have access to cameras via a smartphone (for monitoring in case of a business trip).

Note: the entire system was introduced during the construction of the service station. In addition to video surveillance, user workstations, servers, automation equipment, etc. were installed. But dwell only on the part about the video.

I don’t even know what motivated me to dwell on the figure. Perhaps the budget allowed, perhaps I wanted to try a new one. In any case, it was a rather useful experience and now the advantages and disadvantages of the analog / digital system are visible.

When choosing equipment, there was a huge desire to buy everything centrally. It is always easier to work with one large supplier than with a dozen small ones. Three weeks of searches, comparisons, correspondence with vendors, torsion of the nose on the size of the discount. In the end, we stopped at the online store shop.nag.ru . Perhaps this was not the right approach and it was necessary to devote more time to choosing suppliers, ordering test equipment. But the deadlines began to run out, the customer was fierce and we stopped at the NAG.

Note: all cameras and switching equipment with PoE function. I wanted to get rid of a bunch of unnecessary wires, power supplies and junction boxes. Aesthetics is the key to quality and beautiful work.

Nomenclature:
1) External cameras. To control the external perimeter of the service station.
Requirement for the camera:
- Image quality, as the camera control distance is about 100 meters.
- Workmanship with regards to the strength of the case. Winds up to 70 m / s are in the order of things.

Winner of the nomination IP Camera POWERTONE Outdoor 2.0MP, WDR, with IR LED, 3.3-12mm, PoE, with

unboxing bracket :






Camera cables exit the bracket. You can mount “flush” and let all the wiring under the casing. No drip loops required. (+10 to aesthetics)

2) Internal cameras. Office part.
Camera Requirements:
- IR LED. Lighting of rooms and corridors on motion sensors. At night, on a timer, 90% of the internal lighting is turned off.
- Installation to the ceiling of the Armstrong type.

The choice fell on the IP camera SNR dome 3.0MP with IR, 3.3-12mm, PoE, vandal-proof

unboxing:






Setup process:


But I advise you to take not such “cool” cameras (they are more suitable for large and open rooms. A warehouse or openofis will do). For small office rooms and corridors, the Beward B1062DX (2,000 rubles cheaper) or Chinese counterparts is quite enough.

3) Internal cameras. Repair area.
Camera requirements:
- Wall mounting.
- IR illumination.

POWERTONE Outdoor IP Camera 1.3MP with IR LED, WDR, PoE, 2.8mm

unboxing:






Setup process:


Normal camera. The connectors are inconveniently located; you will have to use heat shrinks to isolate. (-10 to aesthetics)

Aggregation equipment.

4) Access switch for cameras.
Requirements:
- PoE support.
- Managed L2 switch.
- At least one 1000Base-T / SFP port.

Our candidate Switch SNR-S2940-8G-PoE , NAG's own production.
The switch running Cisco like cli, which pleased. (thanks to cagami for the correction)

unboxing:






There is an SFP port if you need to place the switch farther than 100 meters from the server.

Note: the switch is quite noisy, during the setup process 4 switches worked simultaneously, the head starts to ache after 5 minutes.

5) Distribution switch (core).
- Support for all sorts of VLANs, DHCP Relay, etc.
- Availability of SFP ports.

Cisco SG300-52 <SRW2048-K9-EU> Managed Switch (50UTP 10/100 / 1000Mbps + 2Combo 1000BASE-T / SFP) . This is not ideal, but it is also quite budgetary for the required characteristics.

unboxing:




6) Video server / DVR.
Requirements:
- Rack Mount.
- Installation of a large number of HDDs.
- Support for different CCTV cameras.

Once again, the NAG saves us with its DVR. DVR network SNR up to 16 IP cameras. D1 / 400fps, 720p / 200fps, 1080p / 100fps, 8HDD . Unfortunately there are no unbox photos, but the delivery kit is on the site.

6.1) HDD for the DVR.
There were no requirements as such. Stumbled uponHDD 4Tb SATA 6Gb / s Seagate Video 3.5 3.5 "5900rpm 64Mb , according to Seagate, was created just for archiving video. We stopped at it.

To build a video surveillance system, we needed:

1) External cameras. X 10 pcs.
2) Internal cameras . Office part. Х 12 pcs.
3) Internal cameras. Repair zone. Х 19 pcs.
4) Access switch for cameras. Х 6 pcs.
5) Distribution switch. Х 1 pcs.
6) Video recorder. Х 3 pcs.
7) HDD for the DVR. X 6 units

Solution price: 535,000 rubles.

It turned out a little expensive. Although now I can’t count on the move how much a similar system on analog cameras will be released.
But the advantages of this system can be written scalability, excellent image quality, aesthetically more pleasant.

At the choice of the hardware part, that's all. Outside of the article, work on calculating the throughput channels for switches, setting up cameras and DVRs, and setting up software for security posts has remained. If this topic is of interest, I can write a short article with screenshots of the software and give a couple of tips on what you should pay attention to before buying cameras and video servers.

I hope you enjoyed the article. Do not judge strictly, this is my first experience. With errors as usual in PM.

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