You can handle the TCP/IP part seamlessly with a 18FJ9760 using Microchip's stack. Stack supports DHCP thus your customer just plugs the device and you are on air. Interfacing 18FJ9760 to a MAX232 sounds like a solution to me. On Wed, May 23, 2012 at 5:11 PM, Denny Esterline wro= te: > As the title implies, I'm looking for some serial over Ethernet solutions= .. > > Skipping some of the messier details, I have a few hundred devices in the > field that need to have some config options changed. Normally this is don= e > via rs232 connection to a PC -it's a little more complicated now that > they're in customer hands in 28 different states. So, I can put a tech to > work for the next year and really rack up his frequent flyer miles or I c= an > find a connectivity solution and do it remotely. > > What I'd like to be able to do is send the customer a "black box", have > them plug it into their network and my device and give me a call. Using a > similar unit at my location, we have serial access to a PC in my office. = I > realize that having that happen seamlessly and without the customer > configing it to their network and being able to connect to it from my end > without even knowing what subnet it's going to end up on is a tall order.= ... > How close can we come? :-) > > > -Denny > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .