[asterisk-users] Maximum cable length for analog phone from FXS port

[John Novack]

You are correct.
Telcos normally supply dial tone to business and residence for miles if 
there is no DSL
Loading coils are used to offset the capacitance of cables, and precise 
spacing of these is required, and are engineered for different types of 
cable.

John Novack


David Gibbons wrote:
>
> I could be wrong but I don't think the cat5 limit of 100 meters 
> applies to any analog signaling over that copper. I believe it only 
> applies to Ethernet signaling.
>
> -Dave
>
> *From:* asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] *On Behalf Of *Danny 
> Nicholas
> *Sent:* Tuesday, May 26, 2009 10:41 AM
> *To:* baldvin at rogg.is; 'Asterisk Users Mailing List - Non-Commercial 
> Discussion'
> *Subject:* Re: [asterisk-users] Maximum cable length for analog phone 
> from FXS port
>
> The best a native cat5 can run is 100 meters. Unless you like paying 
> your telco huge bucks, you should go for some kind of SIP connection 
> to your box.
>
> ------------------------------------------------------------------------
>
> *From:* asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] *On Behalf Of 
> *asterisk-users at rogg.is
> *Sent:* Tuesday, May 26, 2009 9:09 AM
> *To:* 'Asterisk Users Mailing List - Non-Commercial Discussion'
> *Subject:* [asterisk-users] Maximum cable length for analog phone from 
> FXS port
>
> Hello.
>
> I am looking for details of the maximum allowed/usable/effective 
> wire/cable length of the connection from a FXS port of Digium analog 
> cards to the analog telephone handset.
>
> To clarify my intention, I need to have an analog telephone connection 
> to my asterisk box that is 3000 meters (3km) away at least. If you 
> have any details of ATA boxes or other similar devices that I could 
> use to do this, I'd appreciate your input. It must be able to use a 
> regular analog telephone handset on the far end.
>
> I've searched high and low and either I'm not clever enough in using 
> the right terms for this or it is rarely documented?
>
> Any details much appreciated.
>
> Thank you!
>
> Baldvin
>
> ------------------------------------------------------------------------
>
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