There are a number of small form pluggable optical modules and network accessories to select from on the market. Most optic modules normally work to both emit and receive electronic optical signals. All of these module transceiver form-factors are created under the Multi-Source Agreement. Industry professionals ensure that modules are made under this strict Agreement. All optical transceivers are placed into module sections by their speed rates of transmission. Each pluggable module supports rates from 1Gbps to 10Gbps. Each support rate will help decide which networking accessory will work best for you. Now, Fiberstore make some detail of SFP Transceiver Module,and you make sure it is right for you.
SFP Transceiver Modules – hot-pluggable module, the highest rate of up to 10G, multi-use LC interfaces. SFP(small form pluggable) can be simply understood as the upgrade version of GBIC. SFP module volume ratio reduced by half than GBIC module, the same panel can be configured in more than double of ports. Other features of SFP Module are same with GBIC basicly . Items like Cisco SFP Modules(cisco mini gbic) tend to be smaller and are only about half the size of GBIC optics. These modules send speeds that range from 100Mbps to about 4+Gbps. Their transmission length begins at about 500 meters and goes up to 120+ kilometers.
Laser (includes transmitter TOSA with the receiver ROSSA)and board IC and external components.External accessories are housing, base, PCBA, pull rings, clasps, unlock, rubber stopper composition. For easy to identify ,generally the type of module of identify with the color pull ring parameters.
Divided by rate :155M/622M/1.25G/2.125G/4.25G/8G/10G,155M and 1.25G market is used more, 10G technology is maturing, demand is to increase quickly.
Divided according to the wavelength : 850nm/1310nm/1550nm/1490nm/1530nm/1610nm, the 850nm wavelength is SFP multimode , and the transmission distance is 2KM below .1310/1550nm is SFP single-mode , and the transmission distance is longer than 2KM. 850nm/1310nm/1550nm price relatively cheaper than the other three.
The bare module is easy to confuse if they have no mark,the manufacturers will make the color of pull ring to distinguish generally, for example: black pull ring is multi-mode, the wavelength is 850nm; blue is the 1310nm module; yellow is the 1550nm module ; purple is the 1490nm module and so on.
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