Fiber Cable Manufacturer
1-288 cores GYTS Armoured Optical Fiber Cable
Central strength member
Vary from 7 to 14mm
aerial or duct fiber optical cable networking system
1/2/3/4/5km each exporting wooden drums
Indoor/Outdoor Armored Fiber Cable
This armored fiber optic cable shares much popularity in today’s telecommunication network, which allows links from building to building eliminating the transition from indoor cable to outside plant cable. The following picture shows the structure of commonly used multi-fiber I/O armored fiber cable.
Outdoor Armored Fiber Cable
Armored cable for outdoor is made to ensure operation safety in complicated outdoor environment, and most of them are loose buffer design: with the strengthen member in the middle of the whole cable, loose tubes surround the central strength member. Inside the loose tube there is waterproof gel filled to make the cable water resistance. The combination of the outer jacket and the armor protects the fibers from gnawing animals and damages that occur during direct burial installations.
This section examines the technology behind optical fibre based networks. It gives a brief overview of how optical fibre technology works and what various optical fibre based technologies exist. It also explores the various networks ranging from long haul to first mile. The section also gives an overview of the issues involved with building a fibre based network since, regardless of whether the customer whose house has been passed or connected is using the network, most of the costs of a network are in capital expenditure and most of that is in the physical engineering e.g. digging and providing ducts and a smaller part in the active component. The operational expenditure for operating the network adds only a small part to the overall cost.
What is fibre and how does it work?
Development on optical fibre started in the 1970s, but the first large-scale commercial use occurred in the late 1980s, and in the 1990s fibre networks revolutionised the telecommunication business. New developments came very quickly so that by the end of 2000 the technological developments were far ahead of actual demand. To give an idea of the speed of development: the first commercial fibre optic connection in April 1977 in Long Beach California was 6 Mbit/s requiring 2 fibres, one for each way of communication. These speeds have since then risen to 3.2 Terabit/s over single fibre, allowing for a million times increase in speed. After a relative lull in development at the start of the century new developments began again in 2006 again and the market looks optimistic for growth prospects of optical fibre communications.
Optical fibre uses light as a means to transmit data from one location to another. It consists of a light source (laser or LED), an optical glass fibre as the transmission medium and a detector. The laser generates a pulse of light of a specific frequency (called a colour or channel) which is detected on the other side by the detector and translated into an electrical pulse, which is then used by the device on the other side. It is possible to communicate both ways on the same fibre. A pulse of light normally indicates a 1 and the absence of light a 0. This can work at enormous speeds. Commercially available lasers currently reach speeds of up to 10 Gigabit/second and with the latest technology 40 Gbit/s and recent research in commercial networks has shown that it is possible to achieve 106 Gbit/s on a single colour.
2.Higher speeds are possible, but the challenges in reaching these speeds lie in the detector converting light back to electrical pulses. In addition to sending data faster over a single colour, it is also possible to combine several colours on a single fibre based on Wavelength Division Multiplexing (WDM).
3.At the moment there are systems commercially available that allow the usage of 160 colours on a single fibre, giving a total of 3.2 Terabit/s on a single fibre.
4. In laboratories speeds of up to 25 Tbit/s have been reached.