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The difference of SFP optical module and GBIC optical module

The difference of SFP optical module and GBIC optical module

 

1.What is GBIC?

 

GBIC means Gigabit Interface Converter which is the interface device converts the gigabit electrical signals to optical signals. In design, GBIC can be used for hot-plug. GBIC is the interchangeable product that meets the international standards.

 

GBIC Transceiver

 

For the feature of interchangeable flexible, the Gigabit switch design with the interface of GBIC has a large share in the market.

 

2.What is SFP optical module?

 

SFP is the abbreviation of SMALL FORM PLUGGABLE. It can be understood as the upgraded version of GBIC simply. The volume of SFP optical module is half of GBIC optical module.

 

SFP Module

 

Therefore, we can configure more than double the number of ports on the same penal. The other function of SFP fiber optical module is in accord with GBIC optical module basically. So, some switch manufacturers said that the SFP module is the mini GBIC module.

 

In short, the volume of SFP optical module is half of GBIC optical module and can be configured more than double the number of module interfaces. And the interface of SFP is LC, GBIC is SC interface generally.

4.25Gbps SFP Transceiver 850nm 500m Reach

4.25Gbps 500m SFP Optical Transceiver. Single 3.3 V supply. Up to 500m on 50/125µm MMF, 300m on 62.5/125µm MMF. Supports 1.0625/2.125/4.25Gb/s Fiber Channel Operation. Gigabit Ethernet compatible. 850nm VCSEL laser transmitter. SFP MSA SFF-8074i compliant

3G Single Rx Video SFP
3Gbps Video SFP Single Receiver, PIN photo detector. HD-SDI SFP Receiver available. SD-SDI SFP Receiver available. 3G-SDI. SFP Receiver available. SMPTE 297-2006 Compatible. Metal enclosure for Lower EMI
1000Base GBIC 1310nm 20km
1000Base GBIC 1310nm 20km. Dual data-rate of 1.25Gbps/1.0625Gbps operation. 1310nm FP laser and PIN photo detector for 20km transmission. Duplex SC optical interface. Standard serial ID information compatible with SFF-8053. +3.3V/5Vsingle power supply

Related Tutorials

SFP Module

SFP module is the most widely use product.  SFP module inherits the hot swappable characteristics of GBIC and also draws on the miniaturization advantages of the SFF module with the LC connector. SFP module is reduced the volume and consumption by designing the CDR and EDC outside the module.SFP module is used to connect network devices, such as, switches, routers and others. It is widely applied to the telecommunications and data communications.

SFF Module

SFF module is another branch of the development of the fiber optic transceiver module. Currently, the SFF modules are widely used in the ONU of EPON systems. Since the ONU products of EPON systems are usually placed in the client which needs the ONUs be fixed, not hot-pluggable, the SFF is popular in EPON systems. And with the rapid development of EPNO technology, the SFF market share is also gradually expanded.   

XENPAK Module

XENPAK is an important step in the evolution of the optical modules. The XENPAK architecture provides a XAUI interface for the Media Access Controller.Compared with not hot-pluggable modules, XENPAK modules is very attractive. But is can’t meet some important market demand. The power consumption of XENPAK is usually 10W, which will cause a certain influence to the structure size because it increase the cost of manufacturing printed circuit board and reduce the precious line space.
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