If cable can be pulled , you have a couple of options.
Long Reach Ethernet from Cisco is rated for 5,000 feet. Multi-mode fiber
with fiber/ethernet media converters on each end would work and
electrically isolate the two ends of the cable. Both are way overkill
from a capacity standpoint, but sometimes there's nothing wrong with
overkill. Put an ATA on the far side.
On 11/02/2016 03:46 PM, Jerry Geis wrote:
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
--
if at first you don't succeed, skydiving isn't for you
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