The optical module according to the package can be divided into GBIC, SFP, XENPAK, SNAP12, X2, XFP, SFP +, QSFP / QSFP +, CFP, CXP and other packages, in accordance with the transmission rate can be divided into 10G, 25G, 40G, 100G, 200G optical module However, CWDM optical module what is, what the applications and benefits?
What is the CWDM optical modules?
CWDM optical module is a technique using an optical CWDM module for implementing the existing network device CWDM multiplexer / demultiplexer connected between the multiplexer. When the CWDM multiplexer / demultiplexer for use with solution, CWDM optical module may have a plurality of data channels by transmitting a single wavelength of light (1610nm to 1270 nanometers) in the same single optical fiber to increase network capacity. 
10G DWDM XFP optical module
CWDM optical module which packages?
CWDM GBIC optical module
GBIC is a hot-pluggable input / output device, the insertion slot or Gigabit Ethernet ports, to complete the network connection. It is also a transceiver GBIC standard, often used with the use of Gigabit Ethernet and Fiber Channel, Gigabit Ethernet is mainly used in switches and routers. For a simple upgrade from the standard LH portion, using a DFB laser with a specific wavelength, promote the development of CWDMGBIC DWDMGBIC optical modules and optical modules.
Optical CWDM SFP + module
CWDM SFP + ZR optical module is a "limit module", designed for 10G Ethernet, 2G / 4G / 8G / 10G Fiber Channel applications. An optical transceiver module consists of two parts: a transmitter section comprises colded EML laser. APD receiver portion by the TIA and photodiode components. All modules meet my laser safety requirements. Digital diagnostic functions may be specified by the SFF-8472 in 2-wire serial interface provides the interface allows real-time access device operating parameters, such as transceiver temperature, laser bias current, transmitted optical power, received optical power and transceiver voltage.
CWDM XFP optical module
CWDM XFP optical module is a transmission technique for a low-cost WDM metro access layer. The XFP optical CWDM modules CWDM technology, by an external wavelength division multiplexer, with the composite optical signals of different wavelengths for transmission through an optical fiber, the optical fiber thereby saving resources. Meanwhile, the receiving side uses a wavelength division multiplexer for multiplexing the optical signal is decomposed. CWDM XFP optical module is divided into 18 bands, separated from 20nm between 1270nm ~ 1610nm, each of the two bands.
In principle, CWDM XFP optical module is the use of different wavelengths of the optical multiplexer multiplexing the optical signals to a single optical fiber for transmission, at the receiving end of the link, by means of an optical demultiplexer mixed signal into the optical fiber is signals of different wavelengths, connected to the respective receiving devices.
CWDM SFP optical module
SFP optical module combines space savings and SFF GBIC flexibility. It is not only the size of SFF, GBIC also has a function. In addition to the advantages of volume, SFP optical module with low power consumption further, because it is the working voltage of 3.3V, the GBIC optical module is 5V. Furthermore, SFP optical module provides power, temperature, and voltage level monitoring. With the development of technology, while meeting the functional and size advantage, CWDM optical modules and DWDMSFP has been applied in Gigabit Ethernet and 2.5GbpsSONET applications. Furthermore, SFP optical module is also developed for applications 1, 2 and 4Gbps Fiber Channel.
CWDM optical module applications in what place?
CWDM optical module is widely used in CATV (cable television), of FTTH (fiber to the home),. 1G and 2G Fiber Channel, Gigabit and Fast Ethernet, Synchronous Optical Network SONET OC-3 (155Mbps), OC-12 (622Mbps) art and OC-48 (2.488Gbps), security and protection systems.
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