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

[asterisk-users at rogg.is]

Appreciate all your input folks. Much of it very helpful in the greater
context of the initial question.

Thank you for the suggestion of using various wireless devices, but I'm
stuck with fixed wiring since this is a security/emergency phone(s)
installation underground in large tunnels.

Also, switching to VOIP is not really the answer here because then I'm
forced to solve a lot of power, repeaters/switches problems that arise. So
I'm actually worse of than using the analog connections I think.

I do have some control over the wiring/cable chosen for this project but
still forced to find a solution where I can feed the analog "phone line" the
total 3km line distance.

I would love to find a way to do this in the Asterisk context with some sort
of FXS feed, either from Digium (or compatible) hardware or any of the
available ATA boxes. The Sapura box suggestion may be something and I'll
look closer into that as well as continuing to look for other ways to do
this.

tnx!

Baldvin

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-
> bounces at lists.digium.com] On Behalf Of Hans Witvliet
> Sent: 26. maí 2009 19:42
> To: novackster at gmail.com; Asterisk Users Mailing List - Non-Commercial
> Discussion
> Subject: Re: [asterisk-users] Maximum cable length for analog phone
> from FXS port
> 
> I would suggest making a wifi connection with directional hi-gain
> antenna's.
> Ans a small box at the other end. Have a look at:
> http://www.fit-pc.net/fitpc-2-p-2.html or http://www.fit-
> pc.info/downloads/handleidingen/fit_pc_2_eng.pdf
> 
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