what are the ethernet and T1 T3 speeds? what is difference between these?

ankush jassaltechnical supportAsked:
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Jose Gabriel Ortega CastroCEOCommented:
Ethernet and T1

Ethernet and T1 are two terms that are commonly heard in close proximity to each other. Although these technologies can be used together in some cases, they are not one and the same. The main difference between Ethernet and T1 is where they are being used. Ethernet is a networking technology that is used to interconnect multiple digital devices like computers in order to facilitate the transfer of information across them. In contrast, T1 is a telecommunications technology that is used to carry information across long distances. T1 is capable of carrying both voice and data information, unlike Ethernet, which is only capable of carrying data. But in our world today, voice can be transformed into data and allowed to pass through Ethernets via VoIP technologies. Although they may no longer be any difference to the end user, how the results are achieved are still very different.

One of the reasons why Ethernet and T1 are often used together is because of range. Ethernet has a very limited range, in contrast to T1. Because of this, T1 is often used by companies to expand their Ethernet far beyond its range. For example, if you have two Ethernets that are two far from each other, you can use T1 channels to bridge that gap. The signals need to be converted from one to the other and vice versa but the data will still remain intact.

The drawback to T1’s range is its reduced speed. Ethernets nowadays can have speeds that range from 100Mbps to over 10Gbps. Compared to this, the 1.5Mbps maximum bandwidth of T1 seems laughably slow. But for most important applications, like in business where traffic is relatively low, this is often good enough or even excessive.



Read more: Difference Between Ethernet and T1 | Difference Between http://www.differencebetween.net/technology/communication-technology/difference-between-ethernet-and-t1/#ixzz54y1xEsIQ

Google is your friend :)
Source: http://www.differencebetween.net/technology/communication-technology/difference-between-ethernet-and-t1/


T1: 1.5MPBS <<Changed from 45MBS; Edit by Scott Fell, EE Moderator>>
Ethernet : 10/100/1000 mbps
t3: 44.736 Mbps
Source: http://www.ethernetbuildings.com/articles/50Mbps-Ethernet-DS3.php
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yo_beeDirector of Information TechnologyCommented:
Your T1 speed of MPBS 45 is a bit off (Truly no pun intended) or a typo?


DS3 vs T1 Bandwidth
Let’s see why DS3 has become such a popular bandwidth service and why it will likely be replaced by Carrier Ethernet. A DS3, sometimes called a T3 line, isn’t simply 3x the bandwidth you get with T1. It is 28x the bandwidth. So if you have a 1.5 Mbps T1 line and you upgrade to DS3 service, your new bandwidth is about 45 Mbps. Those numbers are actually rounded so the multiplication isn’t exact. There are also overhead bits that must be assigned to manage a DS3 circuit.
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Jose Gabriel Ortega CastroCEOCommented:
I thought that too but based on the source I consulted (listed) that was the speed. It was supposed to be faster.

jose
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yo_beeDirector of Information TechnologyCommented:
My last response quoted the link you posted. No where in that write up was there a reference to T1 = 45 mbps.  

I think you might have misunderstood the 45 Mbps statement.

Here is a simple matrix.
https://www.google.com/search?q=t1+speeds+and+bandwidth&ie=UTF-8&oe=UTF-8&hl=en-us&client=safari
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ankush jassaltechnical supportAuthor Commented:
Thanks jose for clarification and links.
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ankush jassaltechnical supportAuthor Commented:
Thanks both,

Do you know about CLLI pop, and IGLOO services and quote in this.please share your views.
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ankush jassaltechnical supportAuthor Commented:
And please tell me about typo word explaination? ,i cant understand this.
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yo_beeDirector of Information TechnologyCommented:
Your points are misallocated. Jose misquoted the site and gave you incorrect information. To me that would be a concern taking advice from someone that does not really understand the technology.  

 The correct speeds for T1 is 1.5 Mbps not 45 Mbps.  Both are rounded to the nearest 10th
T3 is 45 Mbps.
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