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clairelin
clairelin بازدید : 45 پنجشنبه 05 بهمن 1391 نظرات (0)

In fiber optic communication, 10 gigabit Ethernet (10GE or 10GbE or 10 GigE) refers to various technologies for transmitting Ethernet frames at a rate of 10 gigabits per second (10*109 or 10 billion bits per second), first based on the IEEE 802.3ae-2002 standard.

10GbE supports both copper and fiber cabling. However, due to its higher bandwidth requirements, higher-grade copper cables are needed: category 6a or Class F/Category 7 cables for links as much as 100m. Unlike previous Ethernet standards, 10 gigabit Ethernet defines only full duplex point-to-point links which can be connected by network switches. Half duplex operation and hubs do not happens to 10GbE.

The ten gigabit Ethernet standard features a few different physical layer (PHY) standards. A networking device may support different PHY types through pluggable PHY modules, such as those depending on SFP . The WAN PHY can hold maximum link distances as much as 80 km based on the fiber standard employed.

Fiberstore supply some 10G Transceivers types like SFP Plus,XFP,X2,XENPAK etc.Now , I will introducts 2 kinds of 10G Transceivers,they may be 10GBase-lr x2 (X2 Transceiver)and 10GBase-zr XENPAK(XENPAK Transceiver).

Fiberstore 10GBase-lr x2 use dual SC optical interface, This is a hot-swappable input/output device connects to an Ethernet X2 port of your Cisco switch or router to link the port using the network.The X2-10GB-LR is really a highly integrated,Serial optical transponder module for high-speed, 10Gbit/s data transmission applications. 4*3.125Gbps Ethernet Signal Input by XAUI Interface.A built-in Coder / Decoder and multiplexer / demultiplexer (SERDES: Serializer / Deserializer). X2-10GB-LR is made for 10km Transmission with a vertical cavity surface emitting laser (VCSEL). This X2 10gb transceiver Digital diagnostics functions are available via a 2-wire serial interface.

Fiberstore industry-standard 10GBase-zr XENPAK can be a hot-swappable input/output device that plugs into a Gigabit Ethernet slot, linking the port with the fiber-optic network. Increase the efficiency of the network with Cisco compatible GBIC and GLC optic module upgrades.Supports link lengths as high as about 80 km on SMF. This interface is not area of the 10 Gigabyte Ethernet standard but is created based on Cisco optical specifications.Fiberstore Now stocks a complete line of both Cisco original and Alternative party Cisco compatible optic modules. Within our continuous efforts to supply the highest degree of customer support, the Cisco XENPAK-10GB-ZR could be shipped from stock extremely fast.

From your wikipedia I am aware that XENPAK was the very first MSA for 10GE and had the biggest form factor. X2 and XPAK were later competing standards with smaller form factors. X2 and XPAK haven't been as successful in the market as XENPAK. XFP came after X2 and XPAK and it's also also smaller.Out of this article,are you finding some good info you need ? Or even, you can search good info in fiberstore.

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