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Fiber cables

General information about fiber cables

Construction and application

Fiber cables are used for data transfer; serial communication, network, audio/video. Since fiber cables are made of nonconductive material, they do not transfer tension between the devices, they are therefore suitable in industry and as insulators for protection against lightning and other overvoltages.


There are two types of fiber cable for...

General information about fiber cables

Construction and application

Fiber cables are used for data transfer; serial communication, network, audio/video. Since fiber cables are made of nonconductive material, they do not transfer tension between the devices, they are therefore suitable in industry and as insulators for protection against lightning and other overvoltages.


There are two types of fiber cable for data communication: single mode and multimode.Both are made of transparent glass. Multimode cable typically reaches distances of up to 2 km while singlemode offers the largest distances between 10 and 100 km.

The difference between singlemode and multimode is the thickness of the core. It is the thickness of the core that determines whether the cable is a multi or single mode. Multi-core cable core is typically between 50μm and 62.5μm and singlemode cables are typically around 9μm. Multimode is called OM1 at 62.5 / 125 and OM3 or OM4 at 50/125. Singlemode is called OS1. See further description on the next page.

 

Cladding

Outside the core is a relatively thick insulation material called cladding (can be translated with "clothing") that acts as a mirror and holds the light inside the core. Outside is the buffer that protects the cladding. Then comes a layer of aramid fiber wire that adds the cable additional strength and ensures flexibility. Finally, one or more jackets will appear depending on whether the cable is used indoors or outdoors. 

 

μm

50/125 means that the core is 50μm and the cladding is 125μm thick. Multimode cable type OM3 and OM4

62.5 / 125 means that the core is 62.5μm and the cladding is 125μm thick. Multimode cable type OM19/125 means that the core is 9μm and the cladding is 125μm thick. Single-mode cable type OS1
The outer diameter of the cable itself depends on the application. A patch cable is thinner than a grounding cable, as the latter is further protected against rodent and moisture. The Aramid fiber is a kevlar-like fiber material that is extremely flexible and strong.


Common fiber optic:

LC (out of 1 cm mark). Approximately 11 mm wide for a duplex connector.
Also seen as simplexadapter. SC (out of 4 cm mark). Looks like LC in construction and is often confused with this, but is somewhat larger: Approx. 21 mm wide for a duplex connector
MTRJ connector (out of 7 cm mark). The connector is always duplex and can not be separated as LC and SC
ST (out of 10 cm mark) is a bayonet type plug.

 

Differences between Single-and Multi-mode

In single mode, the light is sent more directly, why the range is greater. Single-mode fiber cables are available in 3 different polishing qualities and multimode fiber cables in 2 different polishing qualities. Polishing methods are called PC, UPC or APC. It is not possible to discern the different polishing methods, so in order to make it visible, the standard PC version the jack is black, and for UPC the jacket is blue and for APC that the jacket is green. PC is the one with the biggest loss, UPC is with medium loss and APC with the least loss. Multimode is available only as either PC or UPC, while singlemode is available in all 3 versions. DANBIT A/S stores both single-mode and multimode as PC versions, but the other types can be taken back to customers' wishes.

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Fiber cables

Subcategories

  • LC / LC - Multimode og Singlemode
    LC / LC - Multimode og Singlemode
  • SC / SC - Multimode og Singlemode
    SC / SC - Multimode og Singlemode
  • ST / ST - Multimode og Singlemode
    ST / ST - Multimode og Singlemode
  • Steel armoured fiber
    Steel armoured fiber
    <p>Because regular fiber cables are made of glass, it often happens that the breaks down, either by the bend or be stepped on. Danbit offers some of the only steel reinforced cables, which can withstand high resistance and traction. The cables can withstand being run over by cars and trampling people. The cables are therefore extremely suitable for outdoor and industrial installations. The cables are available in all types and lengths, and can be stored based on your goals and specifications.<br /> <!-- p--></p>
  • E2000/APC
    E2000/APC
  • Angled
    Angled
  • Easy Bend
    Easy Bend
  • Fiber cable w/light indicator
    Fiber cable w/light indicator
  • Fiber exchange cable
    Fiber exchange cable
  • Pigtail - LC/SC/ST
    Pigtail - LC/SC/ST
  • Uniboot
    Uniboot
    <p>There are some very primary features that make uniboot fiber cables unique. First, the polarity of the cable can be determined by rotating the end of the plug, without reproducing the plug itself. In addition, the uniboot fiber cable connector can be quickly detached from the adapter panel. Changing an ordinary LC fiber cable connector to allow the plug's polar direction to turn in the right direction can be a very annoying and time-consuming task. Therefore, by uniboot fiber cables, being able to turn the plug's polarity in the right direction without the need for additional tools and reproduction of the plug.</p> <p></p> <p><img src="https://www.danbit.dk/img/cms/LC-uniboot-polarity-reversal.jpg" alt="" width="555" height="508" /></p>
  • MTRJ
    MTRJ
  • Fiber adaptor F/F
    Fiber adaptor F/F
  • Dust cap
    Dust cap
  • Fiber connector
    Fiber connector
    <p>In this section you will find a huge selection of various fiber sticks. The connectors are available in all types, including LC, ST, SC and FC. The connectors can each be used separately for different tasks, ranging from assembling the fiber cables, to making the end of the plug waterproof.</p>
  • Accessories and tools
    Accessories and tools
  • Toslink
    Toslink

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