Well I'm stuck with the baud rate. The optical fibre is OK for point to poi= nt, but I was hoping for multiple ports from the same cat6 cable. Joe ________________________________ From: piclist-bounces@mit.edu on behalf of Denny = Esterline Sent: 17 September 2018 18:26:25 To: Microcontroller discussion list - Public. Subject: Re: [EE] RS232 -> TCPIP -> RS232 > You can get inexpensive RS232 to optical fiber with range up to two miles= .. > Hmmm... It's been near twenty years ago, but I've run RS-232 on copper over two miles. Granted at a lower baud rate and with actual line drivers that were operating near +-25v. -- http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .