before buying a new cable I would do a loop-back test of the serial connection. Use a paper clip and put it in pin2 and pin3 of the db9 connector which would go in to the alix board. Then you should see what you type in the terminal emulation, e.g. putty
Best regards, Michael 2014-11-10 10:33 GMT+01:00 Michael Steinmann <mike.steinm...@gmail.com>: > Hi Abhay, > > A null-modem cable has two female db9 connectors, so nothing else is > needed. > > Best regards, > Michael > > > > 2014-11-10 10:15 GMT+01:00 Abhay Gupta <abhay.gu...@symstream.com>: > >> Hi Miachel, >> >> I am using a serial cable but I'm not able to determine whether it is a >> null modem cable or not. >> Any help will be appreciated. >> For absolute surety I'm gonna order a brand new cable. Do I need anything >> else? Like any null modem connector or something? Please tell me so that I >> can order them together. >> >> On Mon, Nov 10, 2014 at 2:19 PM, Michael Steinmann < >> mike.steinm...@gmail.com> wrote: >> >>> Hi, >>> >>> are you using a null-modem cable or some funny gender changer? >>> it must be a null-modem cable... >>> >>> Best regards, >>> Michael Steinmann >>> >>> >>> 2014-11-10 2:52 GMT+01:00 Kim-man 'Punky' TSE <punky...@punknix.com>: >>> >>>> On 11/7/2014 4:29 PM, Abhay Gupta wrote: >>>> >>>>> I configured putty over */etc/ttyUSB0* with speed(baud) = 9600 as well >>>>> as 115200. >>>>> >>>>> But when I power up my ALIX board, nothing is displayed over putty. I >>>>> even tried with *minicom* and *gtkterm* >>>>> >>>>> Please help me in this regard. Many thanks in advance :) :) >>>>> >>>>> >>>>> minicom always works for me. In minicom setup screen, set 115200, >>>> 8N1 and serial device for /dev/ttyUSB0. It is /dev, not /etc. >>>> >>>> -- >>>> Regards, >>>> Kim-man "Punky" Tse >>>> >>>> * Open Source Embedded Solutions and Systems >>>> - Voyage Linux (http://linux.voyage.hk) >>>> - Voyage MPD (http://linux.voyage.hk/voyage-mpd) >>>> - Voyage MuBox (http://mubox.voyage.hk) >>>> * Voyage Store (http://store.voyage.hk) >>>> >>>> >>>> _______________________________________________ >>>> Voyage-linux mailing list >>>> Voyage-linux@list.voyage.hk >>>> http://list.voyage.hk/mailman/listinfo/voyage-linux >>>> >>> >>> >> >> >> -- >> Thanks and Regards >> Abhay Gupta >> >> This message (and any associated files) is intended only for the use of >> the individual or entity to which it is addressed and may contain >> information that is confidential, subject to copyright or constitutes a >> trade secret. If you are not the intended recipient you are hereby notified >> that any dissemination, copying or distribution of this message, or files >> associated with this message, is strictly prohibited. If you have received >> this message in error, please notify Symstream Technology Group immediately >> by replying to the message and deleting it from your computer. Messages >> sent to and from us may be monitored. Internet communications cannot be >> guaranteed to be secure or error-free as information could be intercepted, >> corrupted, lost, destroyed, arrive late or incomplete, or contain viruses. >> Therefore, we do not accept responsibility for any errors or omissions that >> are present in this message, or any attachment, that have arisen as a >> result of e-mail transmission. If verification is required, please request >> a hard-copy version. Any views or opinions presented are solely those of >> the author and do not necessarily represent those of the company. >> ------------------------------ >> > >
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