A Brief Introduction of Fiber Optic Transceiver
With the development of our society, optical fiber communication has become one of the main pillars of modern communication, it plays an important role in modern telecommunication networks. Fiber optic transceiver is one of the important parts in optical fiber communication. As it is known to us that fiber optic communication is a way of transmitting information from one place to another by sending light pulses through an optical fiber. During this process, optical transmitter converts electrical signal into an optical signal and sends it into the optical fiber, and an optical receiver to recover the signal as an electrical signal.
Different types of fiber optic transceivers can be found on the market, but do you know how these transceivers are classified into specific categories? In this article, let's have a look at the explanation of these criteria used to classify fiber optic transceivers.
According to the Packages
Fiber optic transceivers with similar features are further grouped together and classified into packages, also known as form-factors. Generally, there are 6 main form-factors of fiber optic transceivers in common use: SFP+, SFP, GBIC, X2, XFP, XENPAK, and QSFP+ for 40Gbps and CFP for 100Gbps transceivers are becoming popular.
In this classification, SFP transceivers (small form-factor pluggable) are modules act to connect the electrical circuitry of the module with the optical or copper network, widely used for both telecommunication and data communications applications. SFP transceiver can be regarded as the upgrade version of GBIC module. And now it is the most common popular transceiver types on the market.
According to the Application Areas
Fiber optic transceivers can be divided into SDH optical module, Fiber Channel/storage networking, Ethernet and video transmission optical module.
SDH stands for Synchronous Digital Hierarchy. SDH optical module is a kind of information transmission network that can integrate the functions of multiplexing, line transmission and switching, which is an optical network (SONET) proposed by Bell Communications Research Institute. Fiber channel/storage networking usually includes 1G, 2G, 4G, 8G optical modules. And Ethernet includes Fast Ethernet, Gigabit Ethernet. And video transmission optical module is different from the conventional modules, and this kind of transceivers usually have different rates. They are mostly used in PDH optical and other specifically for high-definition video transmission.
According to Transfer Rate
There are five popular rate categories used in fiber optic transceiver classification: 100GBase, 40GBase, 10GBase, 1000Base and 100Base. These rates refer to the speed at which a fiber optic transceiver is able to transmit data over Ethernet.
100GBase–100 Gigibits per second (100GE, 100GbE, 100Gbps)
40GBase–40 Gigabits per second (40GE, 40GbE, 40Gbps)
10GBase–10 Gigabits per second (10GE, 10GbE, 10Gbps)
1000Base–1 Gigabit per second (1GE, 1GbE, 1Gbps, 1000Mbps)
100Base–100 Megabits per second (Fast Ethernet, FE, 100Mbps)
According to the Compatible Brand
Fiber optic transceivers can be divided into the following types: standard optical modules and compatible optical module.
Standard optical modules are consistent with the relevant standard protocols, most of the manufacturers produce such standard fiber optic modules.
Compatible optical module are compatible with all major brands of optical devices. The commonly compatible optic modules are Cisco compatible optic modules, HP compatible optic modules, Juniper compatible optic modules, Brocade compatible optic modules, IBM compatible optic modules, etc.
According to Transmitting or Receiving Wavelength
Common optical module transmitting or receiving wavelengths including 850nm, 1310nm, 1490nm, 1550nm as well as the CWDM 1470nm, 1490nm, 1510nm, 1530nm, 1550nm, 1570nm, 1590nm, 1610nm, etc.
For example, multimode fiber is designed to operate at 850nm and 1300nm wavelengths, while single-mode fiber is optimized for 1310nm and 1550nm wavelengths. In the single-mode domain, finer gradations of wavelengths are possible within both the 1310nm and 1550nm ‘windows' using precision built transmitters. The two most common and standardized schemes are CWDM (Coarse Wavelength Division Multiplexing) and DWDM (Dense Wavelength Division Multiplexing). CWDM SFP optical module is divided into 18 bands, from between 1270nm ~ 1610nm, two bands each separated by 20nm. DWDM schemes are, as its name indicates, much more tightly space than CWDM. There are 32 fixed-wavelength DWDM SFPs, and each wavelength is separated by 0.8nm.
Different types of fiber optic transceivers can be found on the market, but do you know how these transceivers are classified into specific categories? In this article, let's have a look at the explanation of these criteria used to classify fiber optic transceivers.
According to the Packages
Fiber optic transceivers with similar features are further grouped together and classified into packages, also known as form-factors. Generally, there are 6 main form-factors of fiber optic transceivers in common use: SFP+, SFP, GBIC, X2, XFP, XENPAK, and QSFP+ for 40Gbps and CFP for 100Gbps transceivers are becoming popular.
In this classification, SFP transceivers (small form-factor pluggable) are modules act to connect the electrical circuitry of the module with the optical or copper network, widely used for both telecommunication and data communications applications. SFP transceiver can be regarded as the upgrade version of GBIC module. And now it is the most common popular transceiver types on the market.
According to the Application Areas
Fiber optic transceivers can be divided into SDH optical module, Fiber Channel/storage networking, Ethernet and video transmission optical module.
SDH stands for Synchronous Digital Hierarchy. SDH optical module is a kind of information transmission network that can integrate the functions of multiplexing, line transmission and switching, which is an optical network (SONET) proposed by Bell Communications Research Institute. Fiber channel/storage networking usually includes 1G, 2G, 4G, 8G optical modules. And Ethernet includes Fast Ethernet, Gigabit Ethernet. And video transmission optical module is different from the conventional modules, and this kind of transceivers usually have different rates. They are mostly used in PDH optical and other specifically for high-definition video transmission.
According to Transfer Rate
There are five popular rate categories used in fiber optic transceiver classification: 100GBase, 40GBase, 10GBase, 1000Base and 100Base. These rates refer to the speed at which a fiber optic transceiver is able to transmit data over Ethernet.
100GBase–100 Gigibits per second (100GE, 100GbE, 100Gbps)
40GBase–40 Gigabits per second (40GE, 40GbE, 40Gbps)
10GBase–10 Gigabits per second (10GE, 10GbE, 10Gbps)
1000Base–1 Gigabit per second (1GE, 1GbE, 1Gbps, 1000Mbps)
100Base–100 Megabits per second (Fast Ethernet, FE, 100Mbps)
According to the Compatible Brand
Fiber optic transceivers can be divided into the following types: standard optical modules and compatible optical module.
Standard optical modules are consistent with the relevant standard protocols, most of the manufacturers produce such standard fiber optic modules.
Compatible optical module are compatible with all major brands of optical devices. The commonly compatible optic modules are Cisco compatible optic modules, HP compatible optic modules, Juniper compatible optic modules, Brocade compatible optic modules, IBM compatible optic modules, etc.
According to Transmitting or Receiving Wavelength
Common optical module transmitting or receiving wavelengths including 850nm, 1310nm, 1490nm, 1550nm as well as the CWDM 1470nm, 1490nm, 1510nm, 1530nm, 1550nm, 1570nm, 1590nm, 1610nm, etc.
For example, multimode fiber is designed to operate at 850nm and 1300nm wavelengths, while single-mode fiber is optimized for 1310nm and 1550nm wavelengths. In the single-mode domain, finer gradations of wavelengths are possible within both the 1310nm and 1550nm ‘windows' using precision built transmitters. The two most common and standardized schemes are CWDM (Coarse Wavelength Division Multiplexing) and DWDM (Dense Wavelength Division Multiplexing). CWDM SFP optical module is divided into 18 bands, from between 1270nm ~ 1610nm, two bands each separated by 20nm. DWDM schemes are, as its name indicates, much more tightly space than CWDM. There are 32 fixed-wavelength DWDM SFPs, and each wavelength is separated by 0.8nm.
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