From: Joel D. <jr...@io...> - 2010-12-06 18:50:01
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Hmm, is the 'stat under warranty? Will HAI test/repair/replace it for you? Joel On Mon, 6 Dec 2010, it would appear that Karl Suchy wrote: > Definetly have checked the cable. Using RealTerm I have verified DCD, DTR, > and DSR are tied together and going to the correct pin on the RC-1000, that > RTS and CTS are tied together. I have also verified that TXD, RXD, and GND > end up on the correct pins on the RC-1000. HAI also pointed me to Serial > Device Tester, http://www.hackconsulting.com/register.html, from H.A.C.K > Consulting. Both RealTerm and SD Tester have come in useful in trying to > get a response from the OmniStat. I am starting to think that the serial > communications on the RC-1000 are dead. Thanks for all the advice. > > Karl > > On Sun, Dec 5, 2010 at 8:04 PM, Joel Davidson <jr...@io...> wrote: > >> Have you double checked your cable? Sounds like you might have a >> connectivity problem. >> >> Here's an old document from HAI that has some useful info: >> www.io.com/~jrd/ha/ThermostatCommCables.pdf<http://www.io.com/%7Ejrd/ha/ThermostatCommCables.pdf> >> >> Joel >> >> On Sun, 5 Dec 2010, it would appear that Karl Suchy wrote: >> >>> I have tried it using both on board serial ports from a ASUS A7N8X-E and >> I >>> also have tried using a usb to serial on both my server and off my laptop >>> with and without a powered usb hub. >>> >>> On Sun, Dec 5, 2010 at 2:25 PM, Joel Davidson <jr...@io...> wrote: >>> >>>> On Sun, 5 Dec 2010, it would appear that Neil Cherry wrote: >>>> >>>>> On 12/05/2010 02:00 PM, Marc MERLIN wrote: >>>>>> On Sun, Dec 05, 2010 at 09:56:09AM -0600, Joel Davidson wrote: >>>>> >>>>>>> As I recall the Omnistat serial i/f gets it power from one of the >> host >>>>>>> port status lines, and some serial ports cheat and don't drive their >>>>>>> status lines to the +/-12 or so volts in the rs-232 spec. I used to >>>> use >>>>>>> a Moxa pci 8 port serial board with my rc-80 and it worked fine. Now >>>>>>> I'm using a ByteRunner usb 8 port serial adapter and it too works ok. >>>>>>> For starters you might try a different serial port if you can. >>>>> >>>>>> Joel is right, I had the same problem with one of my USB 8 port hubs: >> it >>>> did >>>>>> not provide enough power and the communication did not work. >>>>>> I switched to a single USB to serial adapter, and things worked after >>>> that. >>>>> >>>>> _Sometimes_ a powered USB hub can help but I wouldn't totally trust >>>>> it. Power stealing can be a lot of trouble. >>>> >>>> True. The 8 port usb-serial adapter is powered and it solved a >> number >>>> of problems with power-stealing serial devices. >>>> |