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IEEE ICNP 2015
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On Wed, 22 Apr 2015, Rodrigo Augusto wrote:
Does anyone have some experience to use dwdm monofiber mux/demux ( ex.
fiberstore ) about 68km using a ADFA ? Have I to use a DCM( for chromatic
dispersion ) on this distance? When I have to use a DCM ?
You have to use DCM when the chromatic
Does anyone have some experience to use dwdm monofiber mux/demux ( ex.
fiberstore ) about 68km using a ADFA ? Have I to use a DCM( for chromatic
dispersion ) on this distance? When I have to use a DCM ?
Rodrigo Augusto
Gestor de T.I. Grupo Connectoway
http://www.connectoway.com.br
Buy 80km sfp+ dwdm modules c21 and c51.
On this scenario a don¹t have a EDFA, only put these sfp+ and I have link
on other side( 60km) but I have a -19dbm and other side I have -21dbm( ddm
sfp+ output).. I think I have a better signal than this because I use
80km sfp+ and my distance is 60km
I think the OP is asking about whether it should account for chromatic
dispersion or not. Intramodal dispersion may very well be a limit on your
link even the power budget (as presented before) is fine. As Mikael said,
I would stick to the specs from the manufacturer for that specific module,
or
On Wed, 22 Apr 2015, Rodrigo Augusto wrote:
Buy 80km sfp+ dwdm modules? c21 and c51.
On this scenario a don¹t have a EDFA, only put these sfp+ and I have link
on other side( 60km) but I have a -19dbm and other side I have -21dbm( ddm
sfp+ output).. I think I have a better signal than this?
Nothing is wrong with the fiber... Attenuation is good... Gbics specs says
-23db as a limit of your sensibility ...i have tried to put bidi sfp+ 80km on
this fiber and have -25dbi on other side( not connect) this module have -20dbi
sensibility ...
This scenario have a 4 channels... And i use 2
On 17.04.15 3:49 , Randy Bush wrote:
in any case the idea still seems silly.
not if you need to appear to be DOING SOMETHING!!!
Of course there is that. But in order to be appear to be doing something
one has to pledge to do BCP38 and various other things I would consider
BCP. All
- Original Message -
From: Frank Bulk frnk...@iname.com
Those are measured at the campus boundary. I don't have visibility inside
the school's network to know who much intra-campus traffic there may be .
but we know that peer-to-peer is a small percentage of overall Internet
traffic
Remember, distance ratings are just generalizations. It all comes down to
power budget. When fiber is laid there are slack loops for potential
future service and for use if a cable is cut, splice cases -- because it's
hard to work with a fiber spool with more than 5 miles of cable on it,
other
First: buy a power meter. They are really cheap and the only way to know
for sure how much signal you got. It will also tell you how much launch
power you have. The fiberstore modules are listed as 0 to +5 dBm launch
power - if you got lucky it might be +5 and if you got a lower end module
it
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