[Asterisk-Users] Zaptel Line Build Out

[asterisk]

http://www.adc.com/Library/Techpub/80348_1.pdf?refer=Library&C=Copper_Connectivity&L=DS1_E1_Twisted_Pair_Products

http://www.pcmag.com/encyclopedia_term/0,2542,t=DSUCSU&i=42059,00.asp

any help?






> Maybe I need to be a little more specific.
>
> I know what signal attenuation is. What I don't know, is how LBO (and
> specifically the implementation of it as used in the zaptel
hardware/software)
> helps the situation.
>
> My servers are co-located with my carrier, and my PRI circuits are run
through
> several patch panels, jumpers, etc. to another room, where they terminate
on a
> DMS-100. I have asked the carrier for an estimated cable length, so i can
> correctly set the LBO.
>
> In the zaptel config, what is meant by DSX-1? What is CSU?
>
> Why would I use a -7.5db, -15db or -22.5db LBO?
>
>
>
>
> asterisk wrote:
> >
http://searchnetworking.techtarget.com/sDefinition/0,,sid7_gci211613,00.html
> >
> >
> > ----- Original Message ----- 
> > From: "Rod Bacon" <rod.bacon at empoweredcomms.com.au>
> > To: <asterisk-users at lists.digium.com>
> > Sent: Sunday, October 09, 2005 6:42 PM
> > Subject: [Asterisk-Users] Zaptel Line Build Out
> >
> >
> >
> >>Can someone who is knowledgable in the traditional telco space please
give
> >
> > me a
> >
> >>layman's explanation (or point me to an appropriate url) of LBO as per
the
> >>zaptel configuration file?
> >>
> >># The line build-out (or LBO) is an integer, from the following table:
> >># 0: 0 db (CSU) / 0-133 feet (DSX-1)
> >># 1: 133-266 feet (DSX-1)
> >># 2: 266-399 feet (DSX-1)
> >># 3: 399-533 feet (DSX-1)
> >># 4: 533-655 feet (DSX-1)
> >># 5: -7.5db (CSU)
> >># 6: -15db (CSU)
> >># 7: -22.5db (CSU)
> >>
> >>
> >>-- 
> >>==========================================
> >>Rod Bacon
> >>Empowered Communications
> >>Ground Floor, 102 York St. South Melbourne
> >>Victoria, Australia. 3205
> >>Phone: +613 99401600    Fax: +613 99401650
> >>FWD: 512237                   ICQ: 5662270
> >>==========================================
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> >>
> >>-- 
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10/7/2005
> >>
> >>
> >
> >
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