Recent Blog Entries

  • There are several tips to get cheap flights to Narita: Visit Skyscanner page regularly to get updates on deals or low-cost flights to Narita.武漢から東京航空券 Subscribe to Skyscanner’s newsletters to get promo deals sent directly to your email inbox. Download Skyscanner app on your mobile phone. With...
  • Norwegian set sights on cheap flights from Britain to Japan after launching £199 fares to Denver and Seattle   Cities in Japan, China and Africa could soon be reached by budget flights from the UK, with fares as low as £199, if one low-cost airline gets its way. Norwegian is incr...
  • Tokyo, the capital of Japan with a mind boggling population of over 12 million, is well known for its bustling atmosphere and neon lights. Despite its number of residents and lack of space, Tokyo is one of the safest and hospitable cities in the world with a very low crime rate and a real sense of c...
  • It's the fastest growing holiday destination for Australians this year. And now Jetstar has made it even cheaper, to get there with its latest sale offering half-price flights as part of its return for free offer.飛機航班動態Fares start from $299 from Cairns to Tokyo - which factoring in the free return f...
  • Fri at 4:01 PM
    Posted by flystly flystly
    Tokyo Travel Guide Tokyo is one of Japan's most influential and cultural cities. It's not only the capital of Japan; it's a melting pot of diversity and history. Tokyo travelers will be mesmerized by the city's abundance of things to do, but if you're looking for authentic Japanese traditions and q...
View All

What are Ethernet and Ethernet Switches?

  • Ethernet is the most common LAN (Local Area Network) technology in use today. Xerox developed Ethernet in the 1970s, and became popular after Digital Equipment Corporation and Intel joined Xerox in developing the Ethernet standard in 1980. Ethernet was officially accepted as IEEE standard 802.3 in 1985. The original Xerox Ethernet operated at 3Mbps. Ethernet networks up to 10Gbps now exist.if find more vist Switch Suppliers

    The first Ethernet standard, 10Base-5, ran over thick coaxial cable. A later standard, Ethernet 10Base-2, ran over a much thinner coaxial cable. These two versions of Ethernet were colloquially known as thicknet and thinnet.Ethernet 10Base-5 and 10Base-2 used a bus topology. Bus topologies were difficult to maintain and troubleshoot.

    Modern Ethernet networks use a star topology with an Ethernet hub, switch, or router at the center of the star.

    It is still possible to create a two-node Ethernet network in a bus topology using a null-Ethernet cable between the two devices.All nodes on an Ethernet network are either DTE (Data Terminal Equipment) or DCE (Data Communications Equipment).

    Ethernet DTE are devices such as computers and printers that are trying to communicate on the Ethernet network.

    Ethernet DCE are devices such as switches and routers that are trying to help other devices communicate on the Ethernet network.
    A switch is something that is used to turn various electronic devices on or off. However, in computer networking, a switch is used to connect multiple computers with each other. Since it is an external device it becomes part of the hardware peripherals used in the operation of a computer system. This connection is done within an existing Local Area network (LAN) only and is identical to an Ethernet hub in terms of appearance except with more intelligence. These switches not only receive data packets, but also have the ability to inspect them before passing them on to the next computer. That is, they can figure out the source, the contents of the data, and identify the destination as well. As a result of this uniqueness, it sends the data to the relevant connected system only, thereby using less bandwidth at high performance rates.
    The wires in a crossover cable are “crossed” so that output signals from the transmitting device are properly sent as input signals to the receiving end. An Ethernet switch can be thought of as a device that makes temporary crossover cable connections between computers that want to communicate. Just like crossover cables, switches do not suffer from collision problems.

    However, it should be noted that the actual cables used are “straight through.” The crossover function is done inside of the switch.

    Since separate wires are used for sending and receiving, switches support operation in full duplex mode. This mode allows devices to send and receive data at the same time.

(200 symbols max)

(256 symbols max)