On Sunday 23 April 2017 23:14:34 dave wrote: > On 04/23/2017 12:44 PM, Chris Albertson wrote: > > Looks like this is a dead end technology. Everyone has gone with > > HDMI. > > > > But really you don't need much to send a differential signal to a > > stepper driver Anything that can invert a 5V logic signal will work. > > The drivers don't want RS422 levels, just logic levels. and the > > receiver is built into the driver > > > > > > But today deferential pairs are outperforming older fiber technology > > by orders of magnitude. toslink is dead easy to use but its s at > > least 30 years old. The best serial cables on the consumer mass > > market are going a few ten's a giga bits per second. > > > > On Sun, Apr 23, 2017 at 10:18 AM, Gene Heskett <[email protected]> wrote: > >> On Sunday 23 April 2017 10:03:21 dave wrote: > >>> the foxcon stuff looks a bit pricey. However ... > >>> > >>> http://www.mouser.com/Toshiba/Optoelectronics/Fiber-Optics/Fiber-O > >>>ptic > >>> -Transmitters-Receivers-Transceivers/TOSLINK/_/N-6qrgo?P=1z0zkx4Z1 > >>>ybqc2 q > >>> > >>> It actually looks affordable including cables. 10 Mb/s but that > >>> should handle anything linuxcnc needs. 10' simplex cables for a > >>> couple of $. > >>> > >>> https://www.monoprice.com/Product?p_id=2669&gclid=Cj0KEQjwofHHBRDS > >>>0Pnh > >>> pef89ucBEiQASEp6LIW3Tu9rI-YsCuV7XvPZJEDJ4M80OU09A9vYGSpppjMaAjjx8P > >>>8HAQ > >>> > >>> Dave > >> > >> Only 2 transmitter modules stocked at well over a 10 dollar bill > >> each. No receiver modules are stocked at any price. All hat, no > >> cattle. > >> > >> That is a good enough price on ready-made cables if I wanted to do > >> it with to$link. But the above hardware pricing is not a viable > >> choice when you need lots of them. I have no intention of spending > >> north of $600 for 10 fiber links. > >> > >> Good info Dave, thanks. > > So what you really need ??? is inexpensive Rx and Tx and then plastic > fiber plus an epoxy to bond the > two with low losses into a usable static configuration. Eh? > > Dave
You are getting warmer, Dave, although I'd druther use go2 or goop as there's a small chance of getting it apart again should it be needed. Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
