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Friday, June 26, 2009

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Thursday, March 5, 2009

Sony IP Video Surveillance - Newcomputergen.com

1) What is IP Video Surveillance?

2) What is Sony’s IP Video Surveillance offering?

WHAT IS IP VIDEO SURVEILLANCE?

IP networks have been expanding rapidly and are widely adopted throughout the world. IP Video Surveillance systems provide the latest security and monitoring solution that allows you to leverage the use of existing, globally accessible, IP infrastructure.


How to connect an IP camera to existing Network?


Simply connect an IP camera to a network and you can monitor live images from the camera on your networked PC anytime, anywhere, around the world. What’s more, there are a number of other convenient features available with IP Video Surveillance systems that are not available with conventional Analog CCTV systems, such as higher resolution images with Megapixel cameras, audio monitoring, wireless connectivity, etc.

Feature rich yet easy-to-use, IP Video Surveillance systems are an ideal solution for today’s remote monitoring applications in locations such as banks, transportation facilities and roads, schools, public venues, industrial facilities, and shopping malls.


Seven Benefits of IP Video Surveillance against Analog Video Surveillance:

1. Remote Monitoring Anytime, Anywhere

2. Remote Control From Any Networked PC

3. Easy Setup, Reduced Installation Costs

4. Audio Monitoring

5. Intuitive Browser-Based GUI

6. System Flexibility

7. Higher Resolution Images with Megapixel cameras


All around the World are using. It doesn't matter if you are home owner, business owner, government, education, we all need to have security for our self and people around us.



CCTV and IP Video Surveillance are coming more presence in the following place:


Education

A safe and secure environment is a prerequisite for effective teaching and learning. IP

Video Surveillance systems can be used to monitor multiple locations, such as building

entrances, exits, corridors, playgrounds, and parking lots, acting as extended “eyes” for

your security staff. In addition, these systems can be integrated into an existing

campus LAN, which can drastically reduce installation costs and time.


Banking and Finance

With IP Video Surveillance, financial institutions can easily and effectively manage

multiple locations. Central, regional or local administration and monitoring are up to

the customer. Sony IP Video Surveillance is very effective for viewing areas, such as

ATMs and drive-up windows. The high quality video that Megapixel Network Cameras

capture at the time of an incident is critical for use as evidence.


Retail Store

IP Video Surveillance systems can be used for various applications ranging from

security to market research in both small retail shops and in large-scale shopping

malls. Not only can network cameras provide a safer shopping environment for

customers, but they can also be an effective deterrent to shoplifters. Also, analytics

such as people counting, traffic analysis and sales monitoring can be performed,

helping you formulate strategies and tactics to improve your business.


Industrial

Network Cameras can help efficiently transform industrial processes in locations, such

as factories, warehouses and construction sites. A wide range of applications, such as

real-time monitoring of production lines, inventory monitoring at warehouses, and

construction site monitoring are all possible, allowing managers to quickly provide

direction, even from a remote location. In addition, network cameras allow for

unmanned warehouse monitoring during night-time operations, helping to protect your

assets.


Government/Public Venue

IP Video Surveillance systems make it economically viable for government agencies to

provide greater levels of coverage of cities, towns, and special events in public venues.

They can also help police and emergency services deal with and analyze incidents more

effectively.


Transportation

Network Cameras located in ports, train stations, highways and bus terminals can be

used to monitor these locations and the movements of people and vehicles, to keep

watch for potentially threatening activities to public safety 24 hours a day, and to

better utilize all security resources. Since these applications cover a very large area,

wireless networks can be leveraged to lower infrastructure costs.


A/V TECHNOLOGY LEADER

Sony has pioneered the development of technology for broadcast products, such as

studio cameras, field cameras and a wide range of VTRs to meet mission-critical

broadcast requirements. Sony IP Video Surveillance systems have inherited reliable

camera and recorder technology from these high-end Sony broadcast products.

CCTV EXPERTISE

Since 1988, Sony has been developing and selling CCTV systems such as analog

cameras, video cassette recorders and multiplexers. Millions of these systems have

been sold in the worldwide security markets over the years, and Sony is recognized

as having an excellent reputation among these customers.

OFFERING TOTAL SOLUTIONS

Sony has a full product lineup from Network Cameras, Network Recording

Servers, Intelligent Monitoring Software to High Definition Displays, and can

offer total solutions in IP Video Surveillance systems.

Friday, February 20, 2009

Wireless Networking Tips

Wireless Networking Tips












Tip 1: Reduce interference on your wireless network

Tip 2: Change the channel on your wireless router

Tip 3: Improve wireless router signal strength

Tip 4: How to Improve Wireless Range

Tip 5: Wireless Dymistified



Wireless Networking Tip #1

Reduce interference on your wireless network

Reduce interference on your wireless network

Since wireless networks use radio waves to transmit signals, it's possible that typical household electronics-your microwave, cordless phone or even the baby monitor- can interfere with this signal. Make sure you move your wireless router away from those devices that use the same 2.4GHz frequency range.

Other causes of interference are brick and cinderblock walls, metal doors, metal frames around windows and doors, and metal filing cabinets.

Take these simple steps to reduce wireless interference:

  1. Move the router further away from the interfering device or object.
  2. If there is interference with a phone, you can change the channel of the phone or the Router so they use different channels. If there is still too much interference, you may have to buy a different phone system, operating at either 900MHz or 5GHz.
  3. Place the wireless router in a central location of your house, such as a family room or office.
  4. Arrange the desktop or laptop's wireless antenna so that it points toward the wireless router.
  5. Avoid placing the antenna close to an outside wall (unless outside is where you want to be).
  6. If you want to connect while you're outside, place the router near a window.
  7. Place your Access Point as high as possible. If your network goes through multiple floors, try to place the Access Point on the upper floor.
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Wireless Networking Tip #2

Change the channel on your wireless router

Change the channel on your wireless router


If you are experiencing frequent loss of connections on your wireless network, interference from another network using the same channel is the likely cause. If you and a neighbor both have a wireless network set at channel 6, then you may experience interference. Try changing to a different channel, either 1 or 11.

If your wireless signal is intermittent, then you are most likely experiencing 2.4 GHz interference. Before switching channels see Networking Tip #1 for easy ways to reduce or eliminate interference.

Here are some simple steps to take if you want to try switching channels:


  • First, be sure to have the latest firmware installed for your router. Firmware downloads are available at http://www.linksys.com/download.
  • Follow the instructions for your router model (see your User Guide or follow the link above) and change the channel to 1, 6, or 11. These are the best channels to use for wireless networking.
  • If you are still experiencing interference try switching the router to one of the other channels (2, 3, 4, 5, 7, 8, 9, 10) until you find one that makes a good connection.

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Wireless Networking Tip #3

Improve wireless router signal strength

Improve wireless router signal strength

Wireless signal strength depends on many environmental factors such as windows, walls, and furniture. Glass does not block the signal. Ideally, place the wireless router in the center of the area you want covered, with as little signal leaking outside the walls as possible.

A High Gain Antenna can increase the strength of outgoing signals and enhance the reception of incoming signals. This added signal strength and sensitivity not only extends the range of your wireless network, but also improves close-range communications reliability by reducing re-transmissions due to weak signal reception errors.


  • See Networking Tip #1 for easy ways to reduce or eliminate interference.
  • High Gain Antenna Kits have been developed to help increase the effective range of a Linksys home or small business wireless network. The antenna solutions include a High Gain Antenna Kit for TNC Connections (HGA7T) and a High Gain Antenna Kit for SMA Connections (HGA7S). Installation of a High Gain Antenna is easy. Just unscrew the current antenna(s) from your router, access point or bridge and attach the High Gain Antenna.

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Wireless Networking Tip #4

Improve Wireless Range

How to Improve Wireless Range

Imagine the freedom to work and play from any room of your home or office, without deadspots. Surf the Web from your den. Play online-games in your living room. Or stream digital music from your kitchen. It's all possible when you have more range.

Why Does Range Matter?
Range is the effective coverage area of your wireless network. Range is affected by your home’s construction including windows and walls, and other wireless devices such as cordless phones and microwave ovens that may be near the router.

How to Increase Your Range.
Explore the Linksys line of range-enhancing products: Wireless-N. Wireless-N offers more range and is faster than standard wireless. It delivers up to four times the range, giving you more flexibility to work or play virtually anywhere in your home or around it: upstairs, downstairs or in the backyard by the pool.

Use the right adapter to get the best network performance.
To fully utilize the speed and range of Wireless-N, match your Router with the right Adapter. To upgrade a desktop PC consider the Linksys Wireless-N USB Adapter, which easily connects to a USB port and doesn’t require opening the computer case. For notebooks, use the Linksys Wireless-N Notebook Adapter. Simply insert the Notebook Adapter into the PC Card slot and you're “N-abled!”

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Wireless Networking Tip #5

Wireless Standards Demystified

Wireless Standards Demystified

The wireless industry sets radio frequency and data transfer standards for wireless local area network computer communication. These standards are developed by the Institute of Electrical and Electronics Engineers, or IEEE. There are currently four standards for wireless computing: Wireless-A, Wireless-B, Wireless-G, and Wireless-N.

Wireless-A (802.11a)
Operates at the frequency of 5GHz, which is less crowded than 2.4GHz where telephones and microwaves may cause interference. Although the speed is up to 54Mbps, the maximum range is only 75 feet. Wireless-A is incompatible with both Wireless-B and G because it operates at a different frequency.

Wireless-B (802.11b)
Operates on the 2.4GHz frequency band and can transmit data at speeds of up to 11Mbps within a range of up to 100-150 feet. Wireless range can be affected by reflective or signal-blocking obstacles, such as mirrors, walls, devices and location, whether indoors or outdoors.

Wireless-G (802.11g)
Features the same benefits as Wireless-B, but offers 5X the speed at up to 54Mbps. Wireless-G currently offers the best combination of performance and value. Wireless-G is compatible with Wireless-B equipment, but you will lose the higher performance speeds of Wireless-G.

Wireless-N (draft 802.11n)
The current generation of high-speed wireless networking, capable of delivering the range and capacity to support today's most bandwidth-hungry applications like streaming video. Wireless-N builds on the previous wireless standards by adding multiple-input multiple-output (MIMO) technology. Wireless-N is a draft standard, meaning The Institute of Electrical and Electronics Engineers has not yet adopted it. However, computer manufacturers and many other companies are marketing products with the expectation that it will soon become the new standard.

Dual-Band Wireless-N (draft 802.11n)
Dual-band routers are compatible with both 2.4GHz and 5GHz frequencies. Non-concurrent dual-band routers only allow usage in one of the frequency bands during set up and configuration. In a concurrent (or simultaneous) dual-band router both radio bands work at the same time, substantially expanding the available channel bandwidth and allowing more data flow.

Wireless Comparison Chart
The chart below outlines the differences and features for each wireless standard, along with the activities that are best suited for each one.

Wireless
Standard
Dual-Band Wireless-N
(802.11n)
Wireless-N
(802.11n)
Wireless-G
(802.11g)
Wireless-B
(802.11b)
Wireless-A
(802.11a)

Frequency 2.4GHz and 5GHz 2.4GHz 2.4GHz 2.4GHz 5GHz
Maximum Speed* 108Mbps 108Mbps 54Mbps 11Mbps 54Mbps
Range 300'-450' 300'-450' 100'-150' 100'-150' 25'-75'
Compatibility** Wireless-B, -G & -A Wireless-B & -G Wireless-B, & -N Wireless-G & -N Not compatible w/ Wireless-B, -G or -N.
* Maximum wireless signal rates are based on IEEE Standard specifications. Actual data throughput will vary. Network conditions and environmental factors can lower actual data throughput rates and range (coverage).

** Performance will only be as good as the lesser of the two.

Vendor who is selling this product Newcomputergen.com

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