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The biggest difference between coaxial cable and optical fiber cable is the transmission speed, optical fiber cable is much faster than coaxial cable, of course, optical fiber cable is currently the fastest transmission speed of one medium
.
A coaxial cable consists of
a hollow metal round tube (outer conductor) and a hard copper conductor (inner conductor).
The inner conductor is located in the center of the metal round tube, and the inner and outer conductors are insulated
by polyethylene plastic gaskets.
There are three
types of coaxial cables used in local area networks: 75Ω, 50Ω and 93Ω.
RG59 type 75Ω cable is a standard cable used in the common antenna television system (CATV), which is often used to transmit analog signals generated by frequency division multiplexed FDM, the frequency can reach 300~400MHz, called broadband transmission, and can also be used to transmit digital signals
.
50Ω coaxial cable is divided into two types
: thick cable (RG-8 type or RG-11 type) and thin cable (RG-58 type).
Thick cable anti-interference performance is good, transmission distance is long, thin cable price is low, transmission distance is close, transmission rate is generally 10Mbps, suitable for and network
.
RG-62 type 93Ω cable is a coaxial cable used in Arcnet network, usually only suitable for baseband transmission, transmission rate of 2~20M bps
.
Optical cable is the abbreviation of optical fiber cable, which is the medium for transmitting optical signals, which is composed of a core, a cladding layer and an outer layer of enhanced strength protective layer
.
The fiber core is made of silica mixed with germanium, phosphorus and other materials, and is cylindrical.
The outer bread layer is made of pure silica, which refracts the light signal into the
core.
Optical fiber is divided into single-mode and multi-mode two, single-mode only provides one optical path, multi-mode has multiple optical paths, single-mode fiber capacity is large, the price is more expensive, the current single-mode fiber core cladding size is about 8.
3μm/125μm, multi-mode fiber core commonly used 62.
5μm/125μm
.
Optical fibers can only be transmitted in one direction, and if two-way communication is required, it should be used
in pairs.
Domestic optical cable service speed has reached 100Mbps, and service providers say they will eventually increase this number to 1Gbps to 10Gbps
.
The biggest difference between coaxial cable and optical fiber cable is the transmission speed, optical fiber cable is much faster than coaxial cable, of course, optical fiber cable is currently the fastest transmission speed of one medium
.
A coaxial cable consists of
a hollow metal round tube (outer conductor) and a hard copper conductor (inner conductor).
The inner conductor is located in the center of the metal round tube, and the inner and outer conductors are insulated
by polyethylene plastic gaskets.
There are three
types of coaxial cables used in local area networks: 75Ω, 50Ω and 93Ω.
RG59 type 75Ω cable is a standard cable used in the common antenna television system (CATV), which is often used to transmit analog signals generated by frequency division multiplexed FDM, the frequency can reach 300~400MHz, called broadband transmission, and can also be used to transmit digital signals
.
50Ω coaxial cable is divided into two types
: thick cable (RG-8 type or RG-11 type) and thin cable (RG-58 type).
Thick cable anti-interference performance is good, transmission distance is long, thin cable price is low, transmission distance is close, transmission rate is generally 10Mbps, suitable for and network
.
RG-62 type 93Ω cable is a coaxial cable used in Arcnet network, usually only suitable for baseband transmission, transmission rate of 2~20M bps
.
Optical cable is the abbreviation of optical fiber cable, which is the medium for transmitting optical signals, which is composed of a core, a cladding layer and an outer layer of enhanced strength protective layer
.
The fiber core is made of silica mixed with germanium, phosphorus and other materials, and is cylindrical.
The outer bread layer is made of pure silica, which refracts the light signal into the
core.
Optical fiber is divided into single-mode and multi-mode two, single-mode only provides one optical path, multi-mode has multiple optical paths, single-mode fiber capacity is large, the price is more expensive, the current single-mode fiber core cladding size is about 8.
3μm/125μm, multi-mode fiber core commonly used 62.
5μm/125μm
.
Optical fibers can only be transmitted in one direction, and if two-way communication is required, it should be used
in pairs.
Domestic optical cable service speed has reached 100Mbps, and service providers say they will eventually increase this number to 1Gbps to 10Gbps
.
