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Standard User thebiznes
(newbie) Mon 25-Feb-13 19:36:27
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Amount of times splice a fibre cable without too much loss?


[link to this post]
 
FTTP/H how many times can you splice without too much loss? Recently had installed Fibre to the Premises, but the tray linking my connection to exchange had 2 spices in already before it was spliced at the mainifold.
Standard User yarwell
(sensei) Tue 26-Feb-13 09:32:46
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Re: Amount of times splice a fibre cable without too much lo


[re: thebiznes] [link to this post]
 
"A splice loss under 0.1 dB is typical." according to Wikipedia wink

Typical cable attenuation at 1310nm 0.35 dB/km so 3 splices are equivalent to an extra km of fibre.

http://www.tripleplay.co.za/uploads/Optical%20Fibre%...
http://scialert.net/fulltext/?doi=rjit.2010.127.138&...

--

Phil

MaxDSL - goes as fast as it can and doesn't read the line checker first.

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Standard User thebiznes
(learned) Tue 26-Feb-13 14:08:54
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Re: Amount of times splice a fibre cable without too much lo


[re: yarwell] [link to this post]
 
Thank you that does answer my question very well. I just hope that my line will still be OK even with the extra splices which were 0.03 but unsure of splices in the tray. I don't know their measurements.

Edited by thebiznes (Tue 26-Feb-13 14:09:54)


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Administrator MrSaffron
(staff) Tue 26-Feb-13 14:36:47
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Re: Amount of times splice a fibre cable without too much lo


[re: thebiznes] [link to this post]
 
Lengths of 10km to 20km should pose no particular problems, and if a splice is bad it can be redone, and if subsequently that fibre is bad, one of the spares can be used.

The splicing actually melts the two bits of fibre together.

Andrew Ferguson, andrew@thinkbroadband.com
www.thinkbroadband.com - formerly known as ADSLguide.org.uk
The author of the above post is a thinkbroadband staff member. It may not constitute an official statement on behalf of thinkbroadband.
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