--- In "prak75_2004" <> wrote:
>
> Hi Charlie,
>
> I'm still having trouble communicating to the TS-7250 board using
> crossover CAT-5 cable to connect between my laptop and the board. What
> program to you use to communicate with it? Minicom?
telnet <your_ts7250_ip_address>
> Secondly, I tried to communicate to the board using COM2. I've checked
> the connection to the RS-232 connector to ensure the wiring is
> correct. I've also changed the jumper settings to boot to COM2
> (jumpers 2 and 4 are installed). I still have trouble communicating to
> the board using Hyperterminal in Windows and having the settings to be
> correct. I haven't bothered trying it in minicom as the source of the
> problem coming from software and OS has been ruled out.
>
> Any more suggestion as in what happened would be much appreciated. Let
> me know if there's any more information you need to know.
>
> Regards,
>
> Stanley Lee
>
> --- In "charliem_1216" <charliem_1216@> wrote:
> >
> > See below:
> >
> > --- In "prak75_2004" <stanigator@> wrote:
> > >
> > > Hi Charlie,
> > >
> > > See my replies below:
> > >
> > > --- In "charliem_1216" <charliem_1216@>
> wrote:
> > > >
> > > > Hi Stan --
> > > >
> > > > I haven't followed this thread in detail, but here are a few
things.
> > > >
> > > > * Use a hub or cross-over CAT-5 cable to establish a network
> > > > connection. If you can telnet to the board then you know the
> 7250 is
> > > > working, and can look further into the serial port communication.
> > >
> > > When you are saying to use a cross-over CAT-5 cable to establish a
> > > network connection between the host computer and the TS-7250
board, do
> > > you mean I should connect a cross-over CAT-5 cable between host
> > > computer's ethernet slot and TS-7250's ethernet slot? Also, how
> >
> > Yes. Of course you can use normal network connections if you have a
> > hub/switch available, or use a single cross-over cable if you only
> > want to connect the two devices.
> >
> > would
> > > I proceed with the telnet process (in Windows or Linux, since I have
> > > them both on my laptop)?
> >
> > Either should work. The important thing is to get your laptop
> > interface configured with an IP address on the same subnet as your TS
> > board. If you have not re-configured your TS system, it would have
> > the default IP address (not sure what it is offhand, 192.168.x.y
> > something). Or assign an IP address to the TS board by dhcp server
> > ... Please look in the TS manuals for details.
> >
> > >
> > >
> > > >
> > > > * Connect to the second serial port on the TS-7250, rather
than the
> > > > first. You won't get the console messages, but you should get a
> > > > console login, assuming you are still running a getty on the port.
> > >
> > > I will get back to you after trying the second serial port. If the
> > > second serial port works, does it reduce to the possibility of
> > > something damaged for the COM1 serial port?
> >
> > Yes, I think so.
> >
> > > >
> > > > * Use some other equipment. Having only two components available
> > > > sometimes makes it hard to determine which is failing. If
possible,
> > > > try to use your windows-laptop/USB/RS-232/null-modem setup to
> talk to
> > > > something else (another TS board, an old printer, a modem, etc.)
> This
> > > > will verify much of your terminal emulator setup & hardware,
and in
> > > > ways that a loopback test cannot.
> > >
> > > The usb-to-serial adapter was flashing code with no problems to a
> > > custom-built development board that uses an industry standard 8051
> > > microcontroller. I haven't tried the emulator yet, although that
could
> > > be verified by going through a hyperterminal debugging routine
on that
> > > board.
> >
> > OK, that verifies the USB-serial hardware, but not hyperterminal.
> >
> > > >
> > > > * You could also use the other equipment on the TS board (ie,
> hook up
> > > > a modem). This assumes you can telnet into the board, or login
> on the
> > > > second port.
> > > >
> > > > * Use some other software. I don't use windows, so I can't
> offer any
> > > > ideas for other terminal emulator programs. Why not try to boot a
> > > > live linux CD, and use minicom?
> > >
> > > I have already tried to communicate with the TS-7250 board through
> > > COM1 using minicom in Linux. Same problem occurs, so I don't think
> > > it's a terminal emulator problem.
> >
> > OK, that rules out a lot.
> >
> > I guess at this point try the network connection, to see if your whole
> > board is hosed or just COM1.
> >
> > Regards, ....... Charlie
> >
> > >
> > > Appreciated if I hear more back from you.
> > >
> > > Stanley Lee
> > >
> > > >
> > > > There is only so far you can get before you have to try changing
> some
> > > > things out. If it worked at one point, and suddenly changed,
> then I'd
> > > > really suspect hardware.
> > > >
> > > > Hope this helps.
> > > >
> > > > regards, .......... Charlie
> > > >
> > > >
> > > > --- In "prak75_2004" <stanigator@> wrote:
> > > > >
> > > > > Hi,
> > > > >
> > > > > I still haven't gotten a response regarding more test point
> > > > > suggestions since I've last posted (6 days). I hope this problem
> > isn't
> > > > > lost in the pile. Appreciated if I hear soon about the
> suggestion on
> > > > > what to do next.
> > > > >
> > > > > Regards,
> > > > >
> > > > > Stanley Lee
> > > > >
> > > >
> > >
> >
>
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