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Old 2006-05-18, 05:59 PM
aikox2's Avatar
aikox2 aikox2 is offline
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833.91 GB/1.29 TB/1.58
Join Date: Jun 2005
Location: The Northwest Corner of a Brand-New Crescent Moon
Fractional T1 Speed

Hey now,

I just started a new job, and I was psyched that I would finally have some upload bandwidth on our T1. I have since learned that we have a fractional T1, and only 4 channels are for data, the other 10 for voice.

My question is: what would those 4 tracks allow for upload?

I started a test upload with no cap, and my boss immediately noticed a severe drain on the network : (

I am trying to get an idea of how fat our pipe is. It looks like it might not be much better than my home connection.

From what I can gather, it might be a measly 256 KB/s : (

I need an idea of the throughput of these 4 channels so I know how much I may be able to divert to better use; i.e. TDD.

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Old 2006-05-18, 06:14 PM
jazzbo jazzbo is offline
18.28 GB/38.30 GB/2.09
Join Date: Nov 2004
Re: Fractional T1 Speed

A single T1 is 1.544 Mbs, so a full T1 will get around 193 KB/s but the speed will be dedicated.

If the 14 channels are split evenly, one channel might 13-14 KB/s.

The d/l may not be any better than your home connection, the u/l should be, possibly significantly so.
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Old 2006-05-18, 07:07 PM
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U2Lynne U2Lynne is offline
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469.38 GB/2.01 TB/4.39
Join Date: Oct 2004
Location: California
Re: Fractional T1 Speed

You can always try a speed test. Just Google "Speed Test T1" and you should get a bunch of hits.

(Don't forget that you usually need to divide the speed test results (bits per second) by 8 in order to get the bittorrent speed that most clients show (bytes per second).)
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