1000Base-LX
Yes, they do. Some people use older computers that need it installed though.
It is common to see this type of addendum in today
Today, Ethernet LAN has one competing LAN technology: WLANs.
True - Ethernet is the predominant protocol found in LANs today.
Ethernet
No, not at all. That's by far the most common today, but at one time it was much more common to run either "thinnet" or "thicknet", both of which used coaxial cables.
Ethernet
Manila Standard Today was created in 1987.
Xerox PARC (Palo Alto Research Center) played a crucial role in the development of Ethernet. In the early 1970s, a team at PARC, led by Robert Metcalfe, developed Ethernet as a networking technology to connect computers in a local area network (LAN). Key Points of the Relationship: Origin: Ethernet was conceived as a way to enable communication between the various devices within PARC. The need arose from the increasing number of computers and workstations that required a method to share information. Technical Development: Metcalfe and his colleagues developed the first version of Ethernet in 1973. They based it on the concept of a coaxial cable that allowed multiple devices to communicate in a shared medium, which was a novel approach at the time. Standardization: Ethernet’s design was simple and robust, leading to its rapid adoption. It became a standard for networking, with the IEEE 802.3 standard being established in the early 1980s. Impact: Ethernet revolutionized networking by providing a reliable, cost-effective way to connect computers, leading to the proliferation of local area networks and ultimately the Internet. In summary, Xerox PARC was instrumental in the invention and development of Ethernet, contributing significantly to the field of networking and shaping how computers communicate today.
Depends on what your doing, most common use today is for POE (power over ethernet)
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The 'Ether' part of Ethernet denotes that the system is not meant to be restricted for use on only one medium type, copper cables, fibre cables and even radio waves can be used. Fast Ethernet Network was developed as an upgrade to traditional Ethernet Networking. Fast Ethernet improved traditional Ethernet by increasing transfer rates 10 times, from 10 Megabit to 100 Megabit speed. Gigabit Ethernet Network is an upgrade on Fast Ethernet Network equivalent to Fast Ethernet Networks improvement over Fast Ethernet Network, offering speeds of 1000 Megabits (1 Gigabit) Cisco have a good document with diagrams and a reasonable amount of depth that answers your questions on 10/100/1000 Ethernet. See related link. Ethernet card would be 10Mbps (mega bauds per second) Fast Ethernet card would be 100Mbps. Most ethernet cards sold today are Fast Ethernet or better. Look for the 100Mbps or the 10/100Mbps specification. The only difference between the both is the speed. Hence both cards are basically the same using the same technology except the fast Ethernet card can run on 10/100mb/s, an astonishing speed. Original 10Base2, 10Base5 and 10baseT Ethernet (thin coaxial cable, thick coaxial cable and twisted pair, respectively) specifications offered a 10Mbit/second throughput (data transfer rate). Although 1 Byte is 8 bits, 10Mbits in practice doesn't mean 1.25MBytes/second, because there's some extra information transferred. On average it can be seen as a ~1MByte/second link speed. Then new standards appeared, some of them exotic (like 100VG AnyLan), but the new Ethernet standard was 100baseTX, which used twisted pair (like 10baseT, but with slightly higher quality requirements - Category 5 cable). It has been called Fast Ethernet, as it offered 100Mbit/sec transfer speed, a 10-fold improvement. Usually all the network equipment can talk both 10baseT and 100baseTX (for example network switches have "10/100" ports). But this was not enough - then came a next speed-up: the 1000baseTX, still running on twisted pair, but with even higher cable quality requirements, offering 1000Mbit/s transfer speed, thus called Gigabit Ethernet: 1000 Mega = 1 Giga.