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Subscribe to this list via RSS Blog posts tagged in Power over Ethernet

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I'll jump right to the conclusion out of the gates here:  each solution has its merits.  The tone of this post will be to highlight many benefits of IP and Megapixel video surveillance, but that does not mean analog video does not have its place.

Pictured above - 180 degree (four lenses) IP Megapixel security camera from Arecont.

IP (Internet Protocol) cameras do not have to also be Megapixel, but a Megapixel camera is always going to be IP. 

You can view IP and Megapixel security cameras from anywhere via the web or with management software, which is loaded on the server and accessed by workstations.

In terms of viewing analog security cameras, they "digitize" the image, but before transmitting, they need to convert it back to analog so it can be received by a monitor, DVR (Digital Video Recorder), etc.

Speaking of DVR's, analog cameras use these recording devices--boxes with various capacities for cameras, i.e., 4-channel, 8-channel, 16-channel, etc.  IP and Megapixel security cameras record onto an NVR, a Network Video Recorder.  This software can exist on a box or can be loaded elsewhere.

An advantage of analog cameras here is that there is more flexibility with the type of camera you add to the DVR.  With IP and Megapixel, the cameras that are added need to be supported by the NVR.

Another advantage of analog cameras has to do with capacity.  You can add as many cameras as your DVR allows. 

Bandwidth can be an issue with IP...but it doesn't have to be.  If you simply slam a network with many IP cameras, it will bog it down.  But you can build your own network by running CAT 5 cable (UTP) to switches in as many locations as is necessary.  And networks are gaining in capacity in recent years and therefore able to handle more traffic than in the past.

And price?  IP can be three times more expensive, but you'll need fewer cameras if they're Megapixel.  For instance, you could purchase a single 2-Megapixel security camera for a parking lot that could conceivably replace approximately 3-4 analog cameras.

And those analog security cameras might not even measure up when push comes to shove.  What happens when you actually need to present evidence to the police and there's no facial or license plate recognition...and it's even difficult to make out vehicle type?  Why have cameras in place that won't even produce results when it counts?

You typically won't have these issues with Megapixel security cameras.  In fact, you will have excellent results when going back to stored data to zoom in on objects.  With analog, it's sort of like writing your name on a balloon, then blowing the balloon up.  It'll enlarge, but will be more grainy and distorted the larger the balloon gets.

Other differences?  An IP security camera transmits PoE (Power over Ethernet).  The camera gets its power from the closest switch.  With analog, you need a power supply which can be used in conjunction with CAT 5 cable and will allow you to send video and power over the cable. 

In summary, analog in small applications is a good value if installed over CAT 5 cable, which "future proofs" for conversion to IP cameras.  IP security cameras can provide more power and flexibility.

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This is the second blog post explaining the "nuts and bolts" of remote video monitoring.  This time, we'll focus on remote video monitoring of your business security cameras.

Pictured above is an Infrared camera which can allow recognition at night.


A regional manager for a restaurant chain recently requested a consultation with One Source Security.  She has several locations across different New England states.  To say she drives alot is an understatement. 

Wouldn't it be nice if she could check in on a restaurant from her smart phone or computer while 50 miles away instead of driving there?  She could check customer flow as well as employee compliance.

As far as how it works, please read on.

With remote video monitoring for the home, the server (the recording device) is located "off-site" in most cases.  In commercial applications, the server is most commonly located on the premises of the remote location that you're monitoring (with the exception of such products as Video IQ, which sends the "alarm" over the network to whatever device you are monitoring or recording with--smart phone, ipad, PC, etc.--thereby reducing bandwidth consumption).

As far as the server itself, which also acts as the DVR or NVR (network video recorder), some record only IP/megapixel cameras, and some record analog as well.

Exacq vision is an example of a server that records both IP/megapixel security cameras as well as analog versions.  One Source Security's own product, Insight, is custom built to fit your exact needs and also records both analog and megapixel/IP security cameras.

The server is connected to the network which is provided by the Internet Service Provider (ISP) at the remote location.  Typically, low voltage wires are run from the server to the security cameras, or PoE can be employed (Power Over Ethernet). A power supply is needed for the security cameras.  The power source can be kept in a locked closet and low voltage wire can be run to the security camera. 

Speaking of running wire, to save on cost, the IP camera may be able to be installed using existing coax/analog cable--you wouldn't have to run new cat 5 cable.

Thanks for spending some time with us today.  If you'd like a free security assessment, like the regional manager did, please click the button above. 

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