On 7/7/24 18:02, Lee wrote:

What's everybody using for a usb => serial port converter?

I got a new network switch and .. OhNoes!! how to I talk to the darn thing???

I went looking thru cabinets and came up with a keyspan usb -> serial
dongle; a quick search found the site with driver downloads, but they
all were for Windows or MacOS. I tried plugging the dongle into my
debian laptop but it didn't recognize it :(

So... what are people using to talk to serial devices now that PCs
don't come with serial ports anymore?

And what program are you using to talk to something over the serial
link? pterm or something else?

I still have a Windows machine, so install the drivers, configure
putty to talk to COM4 & I'm good to go. But I'm trying to get *away*
from Windows. How do I talk to my switch over the serial port?

See if you can find a usb-232 from FDTI. And keep looking if you see a Prolific, its not very good.

Thanks,
Lee

.

Cheers, Gene Heskett, CET.
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author, 1940)
If we desire respect for the law, we must first make the law respectable.
- Louis D. Brandeis

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On Sun, 7 Jul 2024, Lee wrote:

What's everybody using for a usb => serial port converter?

I got a new network switch and .. OhNoes!! how to I talk to the darn thing???

I went looking thru cabinets and came up with a keyspan usb -> serial
dongle; a quick search found the site with driver downloads, but they
all were for Windows or MacOS. I tried plugging the dongle into my
debian laptop but it didn't recognize it :(

So... what are people using to talk to serial devices now that PCs
don't come with serial ports anymore?

And what program are you using to talk to something over the serial
link? pterm or something else?

I still have a Windows machine, so install the drivers, configure
putty to talk to COM4 & I'm good to go. But I'm trying to get *away*
from Windows. How do I talk to my switch over the serial port?

Thanks,
Lee

i've used this for many years

Bus 001 Device 006: ID 0403:6001 Future Technology Devices International, Ltd FT232 Serial (UART) IC
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x0403 Future Technology Devices International, Ltd
idProduct 0x6001 FT232 Serial (UART) IC
bcdDevice 6.00
iManufacturer 1 FTDI
iProduct 2 UC232R
iSerial 3 FTF588Y9

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Hi,

On Sun, Jul 07, 2024 at 06:02:18PM -0400, Lee wrote:

I tried plugging the dongle into my debian laptop but it didn't
recognize it :(

In my experience USB serial gadgets on Linux tend to just work or
will never work. The default Debian kernels do have USB serial
converter support enabled and all the drivers as modules. You'll
probably find it a better use of your time to just buy one that is
known to work, as they are quite cheap.

So... what are people using to talk to serial devices now that PCs
don't come with serial ports anymore?

Here are some notes from FreeBSD, which is a bit pickier than Linux
on this, so should be conservative advice:

https://wiki.freebsd.org/USB/Peripherals/Serial

And what program are you using to talk to something over the serial
link? pterm or something else?

I use either minicom or GNU Screen. You'll need to know the baud
rate that the device expects, though you can just try a few common
ones and see what works. e.g.

# screen /dev/ttyUSB0 115200

Thanks,
Andy

--
https://bitfolk.com/ -- No-nonsense VPS hosting

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On Sun, Jul 07, 2024 at 06:02:18PM -0400, Lee wrote:

What's everybody using for a usb => serial port converter?

I got a new network switch and .. OhNoes!! how to I talk to the darn thing???

Most of them work with Linux anyway (some of them with some
limitations). Stick it in and look at the logs.

Usually there is a device /dev/ttyUSBxxx. That one is your
friend.

I went looking thru cabinets and came up with a keyspan usb -> serial
dongle; a quick search found the site with driver downloads, but they
all were for Windows or MacOS.

Ah, the privileges of proprietary software :-) You not only get
to pay, but you get to put more dubious software into your box.

I tried plugging the dongle into my
debian laptop but it didn't recognize it :(

What does "lsusb" say? What does "dmesg | tail" say shortly after you
inserted your dongle?

Cheers
--
t

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Hi Lee,

Its very much "horses for courses".

If all you want to do is talk to network switch console ports, there are
cheap cables from Amazon that will do that.

If you *only* want a general purpose RS-232 StarTech and TrendNet should
just work.

If you want to be able to do other things like RS-422 and RS-485, I would recommend a Moxa uPort 1150. Be aware that you will have to install the
Moxa driver to use this - its not generally included with the kernel.

Cheers,

Paul.

On Sun, 7 Jul 2024 at 22:02, Lee <[email protected]> wrote:

What's everybody using for a usb => serial port converter?

I got a new network switch and .. OhNoes!! how to I talk to the darn
thing???

I went looking thru cabinets and came up with a keyspan usb -> serial
dongle; a quick search found the site with driver downloads, but they
all were for Windows or MacOS. I tried plugging the dongle into my
debian laptop but it didn't recognize it :(

So... what are people using to talk to serial devices now that PCs
don't come with serial ports anymore?

And what program are you using to talk to something over the serial
link? pterm or something else?

I still have a Windows machine, so install the drivers, configure
putty to talk to COM4 & I'm good to go. But I'm trying to get *away*
from Windows. How do I talk to my switch over the serial port?

Thanks,
Lee

--


*Paul Duncan*

Lead Marine Technician, RV Falkor(too)

SCHMIDT OCEAN INSTITUTE

mobile +1 650 387 4151

VOIP +1 954 672 4943

www.schmidtocean.org

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any attachments. Thank you.*

<div dir="ltr">Hi Lee,<div><br></div><div>Its very much &quot;horses for courses&quot;. </div><div><br></div><div>If all you want to do is talk to network switch console ports, there are cheap cables from Amazon that will do that. </div><div><br></div><

If you *only* want a general purpose RS-232 StarTech and TrendNet should just work. </div><div><br></div><div>If you want to be able to do other things like RS-422 and RS-485, I would recommend a Moxa uPort 1150. Be aware that you will have to

install the Moxa driver to use this - its not generally included with the kernel.</div><div><br></div><div>Cheers,</div><div><br></div><div>Paul.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, 7 Jul 2024 at 22:02, Lee &
lt;<a href="mailto:[email protected]">[email protected]</a>&gt; wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">What&#39;s everybody using for a usb =&gt; serial port
converter?<br>

I got a new network switch and .. OhNoes!! how to I talk to the darn thing???<br>

I went looking thru cabinets and came up with a keyspan usb -&gt; serial<br> dongle; a quick search found the site with driver downloads, but they<br>
all were for Windows or MacOS.  I tried plugging the dongle into my<br>
debian laptop but it didn&#39;t recognize it :(<br>

So... what are people using to talk to serial devices now that PCs<br> don&#39;t come with serial ports anymore?<br>

And what program are you using to talk to something over the serial<br>
link?  pterm or something else?<br>

I still have a Windows machine, so install the drivers, configure<br>
putty to talk to COM4 &amp; I&#39;m good to go.  But I&#39;m trying to get *away*<br>
from Windows.  How do I talk to my switch over the serial port?<br>

Thanks,<br>
Lee<br>

</blockquote></div><br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr">








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