the resistance of the wire itself can be responsible for signal loss. electromagnetic fields may cause distortion. Another possibility is if the signal is not terminated properly you may experience a reflection of the signal traveling in opposition of the desired signal. Heat can cause loss or distortion. corrosion on the copper wire may also cause loss or distortion of the signal.
The above answer is not true for optical fibre and refers only to copper wire. Although signal attenuation does occur over fibre optics. It normally results fromAtomic absorption of light photons,
Scattering of light by flaws and impurities in the fibre, or
Reflection of light by splices and connectors.
Light travels through fiber optic cable by bouncing off the walls of the cable in a process called total internal reflection. The factors that influence its transmission include the quality of the cable material, the purity of the light source, the distance the light travels, and any obstacles or bends in the cable that may cause signal loss.
fiber optics
100m
Twisted pair wiring is a digital signal.Coaxial cable is an analog signal.
A media converter is used to help convert copper cable signal into fiber optic cable signal to be viewed on a variety of media devices. Some older devices actually require a media converter in order to view a signal.
there are different network media,fiber,copper cable etc.to make communication in different media,need the media converter,for example,fiber media converter making the copper ethernet over fiber transmission,E1/ethernet converter making the ethernet over E1 conversion.
Fiber-optic cable.
No, water will not pass through the core of a fiber optic cable. The core is designed to carry light signals for data transmission, and any water infiltration could disrupt the signal transmission process and damage the cable.
A Toslink IS a Fiber Optic Digital Interconnect cable
No. As long as the signal is getting through, the gauge of the optical connection makes no difference.
Fiber optic cables are nothing but another transmission medium. All the protocol which works on Ethernet cable will work in Fiber optic cable also. In case of Ethernet, the digital data will be sent in electrical signal format. But Fiber Optic cables are passive devices. They can not conduct electrical signals. So the digital data signals needs to be converted to Optical signal before sending that via fiber. Usually after the conversion process, the header will be added. This header will be added by the originating device of the optical signal and will be removed by the receiving optical device before sending that signal via Ethernet or some other transmission medium..
Multimode fiber optic cable at 850nm