Bnc Right

Without cables and signals it is somewhat difficult to connect devices for optimal performance. These cables come in various shapes and sizes, for example 3.5mm cables. In a recording studio, for example, signals are connected with a series of geared cables. An amateur in audio technology would commonly misunderstand the technical term for audio jacks or stereo plugs, which are professionally called TRS connectors (tip, ring, and sleeve). Most recently 3.5mm cables are referred to as MP3 jacks or Stereo jacks. 3.5mm cables are only developed as audio connectors they often come in cylindrical shapes along with three contacts, sometimes with two as a TS connector or four as TRRS connector.

Now-a-days TS and TRS connectors can be found in three standard sizes. The original clunky 6.35 mm – 1/4? version which came to market as early as 1878. This was first utilized in manual telephone switchboards and exchanges. The miniature 3.5 mm cables 1/8” or the new “new” version 2.5 mm cables or 3/32” which were initially designed for earpieces on transistor radios. TRS cables are normally utilized for mono signals in general studio use, with only exceptions being the headphone jack. The 3.5mm cable jacks or “plugs” as referred to in UK are normally used for male and female TRS connectors. On the other hand, in the US a fixed connector is known as a TRS jack. 3.5mm Cables are used to connect portable audio equipment along with mini-stereo jacks, together with portable CD players, MP3 players, CD sound cards, and multimedia speakers.

Most male to male 3.5mm cables are shielded inside with a copper skin while a PVC jacket protect the cables from the outside. They are nickel plated on top of brass connectors and can easily connect to a speaker system or microphone preamp along with any other premium stereo audio cables through adapters or cable switchers. Male to male 3.5 mm cables offer an easy solution to inter-connect high fidelity stereo systems with little trouble. They are strain resistant and have 1/8” plugs. There are also male 3.5 mm cables (1/8”) to 3.5 mm male stereo link cables (2 meters) available; most of the manufacturers offer life time warranty on these cables. A typical 3.5 mm 1/8” Male connector is standard across the board for all manufacturers such as Apple, Sony, Panasonic and Microsoft to name a few, you can connect to any portable audio device like iPods, Walkmans, MP3 players, PDA, Laptop etc… A majority of these cables are flexible and have copper conductors, molded construction and are color-coded for easy identification.

Buying tips 3.5 mm cables
• You can optimize your system by choosing a right cable.
• Decide which signal will be carried by the 3.5mm cables, RCAs if connecting to a VCR or high-def-capable cables to connect to HDMI devices such as Bluray players.
• Decide the length you will need for your cable and calculate the distances involving your components to make sure your cables are long enough.
• Avoid long cables as they often degrade the signals, if you have no choice look for cables which contain a larger wire gauge.

About the Author:

Sophie Milch currently manages purchasing and inventory control for Comnauts.com. Sophie keeps herself busy by making sure our inventory is filled with quality products, the latest and the greatest. Sophie holds a B.Sc. in Mathematics from the University of Waterloo and is frequent contributor to several technology blogs and magazines. When she’s not working; in typical nerd fashion you can catch Sophie twittering friends, beating down Murlocs in World of Warcraft and watching re-runs of the X-files.

Article Source: ArticlesBase.com – The Short story on 3.5mm Cables, Understanding Stereo Cables

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Sometimes only the best will do, if you need a single standalone product that can act as the heart of your surveillance system then you're in the page right.
This powerful DVR is full of features ensuring easy integration with existing security networks as well as simple setup for new ones. With connecting two SATA drives (not included) can address up to 1TB (1000GB), which is an incredible amount of space for archival recordings, and if then fill you can easily backup via USB or network drive. MPEG4 Compression is on board to minimize disk space usage and the unit is capable of encoding all channels at once, and 2 with audio – just unbelievable. Add a VGA output for yourself and professional security station with more functions you know what to do with them.
Order now from Chinavasion and be simply carried away by this great wholesale DVR.

This product uses PAL color system

Manufacturer Specifications

• Resolution:
  Monitor Output: 704 x 576
  Capture: 352×288, 352×576, 704×576
• Compression Standard: MPEG4
• Video signal: PAL (525 lines, 50 field / sec)
• Video Input
  Composite Video: 1.0V pp/75
  BNC connector x 4
• Video Output
  Composite Video: 1.0V pp/75
  BNC connector x 1
  VGA Output
• Audio Input: RCA x 4
• Audio output: RCA x 2
• Alarm input: no voltage contact closure, always open or closed, 4-channel input
• Alarm Output: no voltage contact closure, always open, 2-channel out
• Alarm
  Input alarm sensor
  Detection alarm video
  Video loss alarm
  Warning track record
• Control
  Interface compatible RS485 PTZ-x 1
• The backup mode
  USB Backup
  Network Backup
• Hard Disk (3.5 inch)
  Up to two SATA (HDD not included)
• Bitstream installed:
  Stall seven Bitstream: 300MB / h, 400MB / h, 500MB / h, 600MB / h, 700 MB / h, 900 MB / h
  House: 1 ~ 4000MB / h
• Security features:
  Data encryption + 2
  Password Management
• Power supply: DC12V 5.0A (mains adapter supplied)
• Dimensions: 435 x 63 x 360mm
• MAN Ref: M7P8LTEF59L7

Other characteristics:

• 4-channel trigger input and 2-channel alarm output
• Alarm
  Sensor Input Alarm
  Detection alarm video
  Video loss alarm
  Warning track record
• 4-channel synchronization of audio compression and video
• Survey of multiple modes of
• Built the network function, support for TCP / IP, WAN, etc.
• This is consistent with PTZ, equipped with infrared remote control
• Graphical user interface for easy operation
• Compatible with two intercom network

Accessories:

• Manual
• Remote Control
• Software CD
• Energy brick
• Mouse

• Manufacturer and Origin: China
• Login for discount price wholesale

Visit the website: http://www.electronicschinawholesale.com
You will find more.

Even lower prices available for you if you're ordering in larger quantities to wholesale. Get your samples first then contact us for your personal discount quotes!

If you have any observations or comments about this product, access and use the product review box. Please open an inquiry ticket if you have questions about this product.

Comments: 1 This product was added to our catalog on Tuesday 10 July, 2007.

Comments: (4 Channel Digital Video Recorder – MPEG4 Compression-PAL)

4 Channel Digital Video Recorder – MPEG4 Compression-PAL works but .. requires a great deal of expertise yourselfby Mike Eekhof – on 12/13/2008

is noisy, the manual is the most terrible, understandable English! Absolutely useless!
But it works well ..
I have to test the function of the network ..
The CD-ROM wrong file .. But I have by mail from Chinavasion.

About the Author:

The Best Distributor Of Chinese Wholesale Electronics.
China Electronics Wholesale and Dropship: Gadgets, Cell Phones, Car DVD Players, Digital Cameras, Digital Camcorders, MP4 Players, MP3 Players, Spy Cameras, Security Products, PC Accessories, and more…
Visit the website: http://www.boutic.power-heberg.com

Article Source: ArticlesBase.com – 4 Channel Digital Video Recorder – MPEG4 Compression -PAL