Forget RS485 at that distance (your throughput will be too low). I would suggest you pull a fiber and just create an LAN connection on the end.
I’m sure you would have had fun getting some of the old IP over Serial drivers working J From: asterisk-users-boun...@lists.digium.com [mailto:asterisk-users-boun...@lists.digium.com] On Behalf Of Jerry Geis Sent: Wednesday, November 02, 2016 3:46 PM To: Asterisk Users Mailing List - Non-Commercial Discussion Subject: Re: [asterisk-users] RS485 Audio device Hi All, The reason for the question was simply that the customer desired some solution called an "AOR" or Area of refuge - I think it was. Basically a call button, microphone and speaker to hear back with the kicker being "a long distance" the solution has to run. RS485 is like 4000 feet. There are solutions our there apparently that are not built on asterisk - so I was just trying to find a solution that potentially worked with asterisk. Thanks! Jerry
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