2011年8月23日星期二

Cat 5e and Cat 6 Differences and Benefits




Cat 5e and Cat 6 Differences and Benefits


Bandwidth precedes data rates just as highways come prior to vehicle. Doubling the bandwidth namely favor joining two periods the digit of alleys above a expressway. The trends of the elapse and the predictions for the future signify namely rates have been doubling each 18 months. Current applications running by 1 Gb/s are truly shoving the limits of species 5e cabling. As flowing medium petitions such for video and multi-media become general, the claims because faster data rates will mushroom and create new petitions namely ambition behalf from the higher bandwidth offered at classification 6. This namely accurate what occurred in the early 90's while the higher bandwidth of species 5 cabling compared to category 3 caused maximum LAN applications to choose the fashionable media to grant simpler, spend forcible, higher speed LAN applications, such as 100BASE-TX. Note: Bandwidth is defined as the maximum frequency up to which affirmative power sum ACR (Attenuation to Crosstalk Ratio) is greater than naught. The common difference among category 5e and category 6 is in the transportation representation, and extension of the allowed bandwidth from 100 MHz because category 5e to 200 MHz for category 6. This includes better insertion detriment, approximate end crosstalk (NEXT), return loss, and equal level far end crosstalk (ELFEXT). Improvements, such as narrated, provide a higher signal-to-noise percentage, allowing greater stability for new applications and higher data rates for future applications. Category 6 will eventually supercede category 5e. Analyst predictions and neutral polls indicate that 85 to 95 percentage of new installations will be installed with category 6. The truth that category 6 correlate and outlet requirements are behind compatible to category 5e makes it very simple for buyers to choose category 6 and displace category 5e in their webs. Applications that worked over category 5e will still work over category 6. Because of its greater displacement performance and better immunity from outer rumpus, systems operating over 6 cabling will have less mistakes vs. category 5e for current applications. This means fewer re-transmissions of lost or corrupted data parcels below decisive conditions, which translates into higher reliability for category 6 webs likened to category 5e networks. Category 6 will be quite effective in the residential market to support higher Internet way speeds while facilitating the extra stringent Class B EMC requirements (look also the all FCC Rules and Regulations, Title 47, Part 15). The better poise of category 6 will make it easier to encounter the residential EMC requirements compared to category 5e cabling. Also, the growth of streaming media applications to the home will amplify the need for higher data rates which are supported extra easily and efficiently at category 6 cabling.




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