When was cat5 cable invented

November October September May April March July June August This was accomplished by adding more shielding. Category 7a, introduced in , maintains the 10 Gbps speed while increasing the bandwidth to 1. Category 8 was developed primarily to help data centers increase bandwidth and network speeds. It has a speed of 40 Gbps and a bandwidth of 2 GHz over a maximum of 30 meters, or 98 feet.

The newer Cat cables are shielded, making them more expensive and harder to install and terminate. They also require different connectors than their predecessors. I am seeing projects that may be overspecified.

Many computers have an ethernet card that is only good for Mbps, which can be handled with a Cat 5e instead of higher rated cables. This may be a good alternative to suggest to your customers. Stephen Carr has been in the electrical construction business since He started Carr Consulting Services—which provides electrical estimating and educational services—in Contact him at Don't worry, we'll come to you.

Your Business. Not only that, but Cat5e cables, Cat6 cables, and Cat6a cables were all available to use. This was certainly a transition time for many businesses that were switching to higher speed networks. The next Ethernet standard which will bring us Category 8 has already been approved. It will, however, be a little while before the physical cables catch up. Baudot used a different type of code for his system because Morse code didn't lend itself to automation, this was due to the uneven length and size of bits required for each letter.

It clearly wasn't enough for 26 letters and 10 digits but he got around this problem by using two 'shift characters' for figures and letters, which performed the same sort of function as a typewriter shift key.

Now he had 62 combinations for letters, figures and punctuation marks. To this day, the speed of serial communications is still measured in Baud rate, after Emile Baudot. Improvements were made to Baudot's machine by an English inventor called Donald Murray.

Murray sold the rights for his machine to Western Union who gradually replaced all of its Morse telegraphs with the new 'teletypewriters'. Despite its long running success, the Baudot five bit code could only use 'upper case', so it had to be replaced with something that would allow more alphanumeric characters to be used.