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- Information about IEEE802.3ae LAN Standard
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10G SFP+ Transceiver-180x180.JPG)
10G XENPAK
40G QSFP+ TransceiverPerformance Feature
Stable
Low cost
Small size
Economic
Dust-proof
High speed
Hot-pluggable
Good EMI, EMC
Wide appliaction field
DDM function available
Long transmission distance
Good Anti-static performance
Module Knowledge
Recommended
Information about IEEE802.3ae LAN Standard
Ratified in June 2002, the IEEE802.3ae LAN standard was developed to update the preexisting IEEE802.3 standard is for 10GbE fiber transmission. With the new standard seven new media types were defined for LAN, metropolitan area network (MAN) and wide area network (WAN) connectivity:
- 10GBASE-SR – uses the lowest cost optics (850nm) to support 10GbE transmission over standard multimode fiber for distances of 33 and 86 meters. The SR standard also supports up to 300 meters using the new 2000MHz/km multimode fiber (laser optimized). SR is the lowest-cost optics of all defined 10GbE optics.
- 10GBASE-LR – uses higher cost optics (1310nm) than SR and requires more complex alignment of the optics to support single-mode fiber up to 10 km.
- 10GBASE-LX4 – supports traditional FDDI grade multimode fiber for distances up to 300 meters using Coarse Wavelength Division Multiplexing (CWDM), which lowers the transmission rate of each wavelength to 3.125Gbaud. The LX4 standard also supports single-mode fiber for up to 10 Km. LX4 is more expensive than both SR and LR because it requires four times the optical and electrical circuitry in addition to optical multiplexers. Over time, the quantity of components required to implement the technology may limit its ability to fit into smaller form factors.
IEEE802.3 Cabling Cost and Distance Considerations
- 10GBASE-ER – uses the most expensive optics (1550nm) to support single-mode fiber up to 30 km. For 40km, the fiber-optic connection must be an engineered link.
- 10GBASE-LRM – In the process of being ratified by IEEE, using a technology called EDC (Electronic Dispersion Compensation), 10GBASE-LRM can provide a long distance solution based on multimode fiber and operates with a single wavelength.
10G 1310nm 220m SFP+ Transceiver SPT-SFP+-LRM
- 10GBASE-SW, 10GBASE-LW, 10GBASE-EW – defined for use with a WAN PHY. These standards were defined to operate at the same baud rate as OC-192/STM-64 SONET/SDH equipment. They are the equivalent of the SR, LR and ER standards and support the same fiber cabling. LX4 does not have an equivalent WAN PHY standard.
Sopto supplies high quality IEEE802.3ae LAN Standard fiber optical transceivers with low cost. For the newest quotes, please contact a Sopto representative by calling 86-755-36946668, or by sending an email to info@sopto.com. For more info, please browse our website.
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