:
-Original Message-
From: Ali via cctalk
Sent: 31 July 2022 06:51
To: 'General Discussion: On-Topic and Off-Topic Posts'
Cc: Ali
Subject: [cctalk] Re: Connecting a physical terminal via LAN to Serial Port
I feel like a Raspberry Pi or similar would fit the bill for this
nicely.
Yes
> -Original Message-
> From: Ali via cctalk
> Sent: 31 July 2022 06:51
> To: 'General Discussion: On-Topic and Off-Topic Posts'
> Cc: Ali
> Subject: [cctalk] Re: Connecting a physical terminal via LAN to Serial Port
>
> > I feel like a Raspberry Pi or
> On Aug 1, 2022, at 11:38 AM, Peter Coghlan via cctalk
> wrote:
>
>>
>> For an extra $1 now you can get integrated WiFi (and Bluetooth but
>> there isn't any BT software support yet) in the form of the $5 Pi
>> Pico W, so that's one route to talking to an IP network for IoT or
>>
>
> For an extra $1 now you can get integrated WiFi (and Bluetooth but
> there isn't any BT software support yet) in the form of the $5 Pi
> Pico W, so that's one route to talking to an IP network for IoT or
> something like this.
>
> A neat thing about the Pico is that you can do hard real-time
> On Jul 31, 2022, at 7:25 PM, Gavin Scott via cctalk
> wrote:
>
> On Sun, Jul 31, 2022 at 2:29 PM Paul Koning via cctalk
> wrote:
>> Yet another one is Raspberry Pico,
>>
>> Neither of these come standard with Ethernet, though I've seen option cards.
>> In the case of Pico, it seems
On Sun, 31 Jul 2022, Fritz Mueller wrote:
+1 for the Digi Portserver for this application. I recently grabbed one
off eBay, because I have a number of vintage terminals here which I
would like to ?crossbar? to a number of vintage computers with serial
terminal support, and also provide both
On Sat, 30 Jul 2022, Ali wrote:
modern system using an IP:port schema. This works great except I don't get
to play with my shiny, new to me, authentic experience terminal device.
Why not? You attach the terminal to your terminal server, too, and connect
from the terminal to one of the other
> On Sat, Jul 30, 2022 at 10:23 PM Ali via cctalk wrote:
> So I am wondering if there is a box that provides a telnet CLIENT to a
> serial port device? I.E. a box smart enough that handles the telnet client,
> LAN functions, and terminal emulations internally and then provides a text
> based
This may take the fun lan interface out of the equation but I would still
think any serial switcher might work for you. Just leave the cables
connected to the systems and the terminal and use switcher to change
devices?
> What you have been describing, and what no one else seems to have
> twigged to,
> is what we called a TIP ("terminal interface processor") or EtherTIP
> (because
> it sat directly on the 3Mbit/10Mbit Ethernet, unlike the ARPANET TIPs
> that sat
> on a 56Kbit leased line). There were dozens of
On Sun, Jul 31, 2022 at 2:29 PM Paul Koning via cctalk
wrote:
> Yet another one is Raspberry Pico,
>
> Neither of these come standard with Ethernet, though I've seen option cards.
> In the case of Pico, it seems possible to do 10 Mb/s Ethernet in software
> using its PIO controller, though I
On 7/31/22 4:46 PM, Rich Alderson via cctalk wrote:
What you have been describing, and what no one else seems to have
twigged to, is what we called a TIP ("terminal interface processor")
or EtherTIP (because it sat directly on the 3Mbit/10Mbit Ethernet,
unlike the ARPANET TIPs that sat on a
> Date: Sun, 31 Jul 2022 14:57:07 -0700
> From: Ali via cctalk
> I agree that is exactly the behavior I want. However, none of the devices
> that have been suggested seem to do that i.e. connecting a Lantronix UDS1100
> to the dumb terminal does not provide a usable telnet CLIENT interface. The
> > When I looked at the manual for the Lantronix UDS1100 I did not see
> any mention of it being able to be used as Telnet client.
>
> PDF Page 54.
>
> You put it in manual CONNECT mode, modem emulation, and type
> "ATDT10.20.30.40:23" on most modern Lantronix devices. I have no
> personal
I feel like a Raspberry Pi or similar would fit the bill for this
nicely.
IMHO, the Raspberry Pi, et al. qualify here too.
On Sun, 31 Jul 2022, Ali via cctalk wrote:
Well after looking around a bit last night and my Google fu failing to
provide anything worthwhile Grant may be right
On 7/31/22 3:57 PM, Ali via cctalk wrote:
I am throwing a monkey wrench in it by trying to use a 1980s dumb
terminal as my I/O device. :)
It's not that big of a monkey wrench in and of itself. It just does
mean that you're in the minority use case. :-( -- Welcome to the
club. :-D
As
See
https://www.longsteve.com/fixmybugs/vt220-terminal-meet-raspberry-pi/Connect
for one person's write-up on how to connect a serial terminal to a Raspberry
Pi, either through a USB to RS-232 adapter or to a Raspberry Pi's serial pins
via a TTL to RS-232 adapter. If you connect to a Pi's
> When I looked at the manual for the Lantronix UDS1100 I did not see any
> mention of it being able to be used as Telnet client.
PDF Page 54.
You put it in manual CONNECT mode, modem emulation, and type
"ATDT10.20.30.40:23" on most modern Lantronix devices. I have no personal
experience with
> Hitting return a few times on the terminal will get the attention of
> the
> device; e.g. Raspberry Pi, that it's connected to.
>
> Depending on how said device is configured, you will either get a login
> prompt (e.g. getty+login) or a shell prompt (e.g. getty+shell).
>
> Then you will tell
> What about one of these? https://www.amazon.com/dp/B07DWLS7DP
>
> $11.38, and provides four ports. If that's not enough, you could do a
> bi-level multiplex arrangement; 5 of these ($56.90) would provide 16
> ports.
>
Mark,
Thanks. This would be a good solution if everything was in the
> Yeah that's basically it. You can often assign aliases so that e.g.
> `CONNECT RAID` executes a Telnet to a specific IP/DNS name, and many
> support setting up a default or automatic connection so that as soon as
> the terminal autobauds it just connects to whatever the default is.
>
>
> At least that's how I would configure things
Yeah that's basically it. You can often assign aliases so that e.g. `CONNECT
RAID` executes a Telnet to a specific IP/DNS name, and many support setting up
a default or automatic connection so that as soon as the terminal autobauds it
just
On 7/31/22 2:54 PM, Ali via cctalk wrote:
Can you expand on this? I am not sure how this is supposed to work
out. So in my scenario I have a dumb terminal connected to one of the
suggested devices. On the other side I have the out of band serial
port controller for my RAID connected to a
> 1. If you want to connect an actual Serial Terminal to multiple hosts
> the easiest thing to use is a DB-9 or DB-25 switch box. Something like
> this:
This would work if everything was in the same room. As the devices are in
different rooms and floors no joy there without running cable all
> You may of course choose to DIY but there have been several common and
> cheaply-available-used solutions presented to you. The default behavior
> of most terminal servers (single port or otherwise) is, "connect your
> terminal, hit RETURN a few times, Telnet/rlogin/SSH/whatever to
> whatever
On Sun, Jul 31, 2022, 1:29 PM Paul Koning via cctalk
wrote:
> Either way, a complete system might cost 10-20 dollars. Check our
> "Arduino Nano" or "Adafruit Trinket". I used the latter in my LK201
> keyboard emulators.
>
Are these available? If, what's the details?
Warner
Hi Ali!
On Sat, 2022-07-30 22:23:04 -0700, Ali via cctalk wrote:
> I am looking for some advice and recommendations on how to best go about
> accomplishing the following:
>
> I have recently come into possession of an actual physical terminal that can
> be connected to a device via a standard
> On Jul 31, 2022, at 3:45 PM, Warner Losh wrote:
>
>
>
> On Sun, Jul 31, 2022, 1:29 PM Paul Koning via cctalk
> wrote:
> Either way, a complete system might cost 10-20 dollars. Check our "Arduino
> Nano" or "Adafruit Trinket". I used the latter in my LK201 keyboard
> emulators.
>
>
On Sat, Jul 30, 2022 at 10:23 PM Ali via cctalk wrote:
>
> So I am wondering if there is a box that provides a telnet CLIENT to a
> serial port device? I.E. a box smart enough that handles the telnet client,
> LAN functions, and terminal emulations internally and then provides a text
> based
> On Jul 31, 2022, at 2:33 PM, Grant Taylor via cctalk
> wrote:
>
> ...
> Now I wonder what I'm conflating. I was thinking of something else that's
> /not/ running Linux but frequently used for tings. AT Tiny?
AT Tiny is a microcontroller.
You may be thinking of Arduino, which is
I have recently come into possession of an actual physical terminal that
can
be connected to a device via a standard RS232 (serial) port, so far so
good.
<...>
connected to one of these devices. This involves crawling around
connecting
the serial cable, doing what needs to be done, crawling
On 7/31/22 12:14 PM, Paul Koning via cctalk wrote:
It's like Pi, I believe, another ARM based Linux device.
ACK
I started using the BBB some years ago when the Pi was using a chip
whose specs were secret. Supposedly that's been cured. The BBB
is built on TI silicon that comes with a
> On Jul 31, 2022, at 2:01 PM, Grant Taylor via cctalk
> wrote:
>
> On 7/31/22 11:38 AM, Paul Koning via cctalk wrote:
>> One easy way would be to plug in a USB to RS232 adapter into any old Linux
>> device, like a Pi. Another is to use an RS232 converter card for the
>> built-in UARTs.
On 7/31/22 10:38, Paul Koning via cctalk wrote:
>
>
>> On Jul 31, 2022, at 1:50 AM, Ali via cctalk wrote:
>>
>>> I feel like a Raspberry Pi or similar would fit the bill for this
>>> nicely.
>>>
>>
>> Yes, but it wouldn't be ready to go ;). I would need to find a raspberry pi
>> with a built
On 7/31/22 11:38 AM, Paul Koning via cctalk wrote:
One easy way would be to plug in a USB to RS232 adapter into any old
Linux device, like a Pi. Another is to use an RS232 converter card
for the built-in UARTs. I don't know about the Pi, but I've used
such a device for the BeagleBone Black.
On 7/31/22 11:05 AM, Ali via cctalk wrote:
Well after looking around a bit last night and my Google fu failing to
provide anything worthwhile
:-/
Grant may be right i.e. there is no device that make a shell or a
telnet client available to a terminal and I will have to roll my
own.
I
On 7/31/22 10:21, Jonathan Chapman via cctalk wrote:
>> i.e. there is no device that make a shell or a telnet client available to a
>> terminal and I will have to roll my own.
>
> You may of course choose to DIY but there have been several common and
> cheaply-available-used solutions presented
> On Jul 31, 2022, at 1:50 AM, Ali via cctalk wrote:
>
>> I feel like a Raspberry Pi or similar would fit the bill for this
>> nicely.
>>
>
> Yes, but it wouldn't be ready to go ;). I would need to find a raspberry pi
> with a built in serial port and a flavor Linux already loaded on it
Here are my suggestions for you:
1. If you want to connect an actual Serial Terminal to multiple hosts
the easiest thing to use is a DB-9 or DB-25 switch box. Something like
this:
> i.e. there is no device that make a shell or a telnet client available to a
> terminal and I will have to roll my own.
You may of course choose to DIY but there have been several common and
cheaply-available-used solutions presented to you. The default behavior of most
terminal servers
> I feel like a Raspberry Pi or similar would fit the bill for this
> nicely.
>
> IMHO, the Raspberry Pi, et al. qualify here too.
Well after looking around a bit last night and my Google fu failing to provide
anything worthwhile Grant may be right i.e. there is no device that make a
> Ali
>
> I have used the Lantronix UDS1100 for Ethernet/RS232 bridgingmaybe
> too pricey new, but available on ePay
> Trevor
Trevor,
I checked out the manual for the Lantronix and while it is a capable server it
does not provide a client interface. Thanks.
-Ali
> I got a Lantroix SCS 400 off of ebay for cheap. 4 Serial DB-9 ports,
> one RJ45 LAN port. Has built in Telnet , SSH. I think you can go back
> the other way, i.e. Computer -> LAN -> into one of the RS232 ports.
> Never used it that way.
>
> Used it to connect actual terminals to Vax
On 7/31/2022 1:23 AM, Ali via cctalk wrote:
I am looking for some advice and recommendations on how to best go about
accomplishing the following:
I have recently come into possession of an actual physical terminal that can
be connected to a device via a standard RS232 (serial) port, so far so
On 7/31/22 07:23, Ali via cctalk wrote:
So I am wondering if there is a box that provides a telnet CLIENT to a
serial port device? I.E. a box smart enough that handles the telnet client,
LAN functions, and terminal emulations internally and then provides a text
based interface through a serial
> I have used the Lantronix UDS1100 for Ethernet/RS232 bridgingmaybe too
> pricey new, but available on ePay
The older models (LRS-1, LRS-2, UDS10, etc.) also work fine. If you have more
than one terminal, look at a small terminal server. There are a few terminal
server models that go for
Ali
I have used the Lantronix UDS1100 for Ethernet/RS232 bridgingmaybe too
pricey new, but available on ePay
Trevor
On Sunday, July 31, 2022 at 01:50:39 AM EDT, Ali via cctalk
wrote:
> I feel like a Raspberry Pi or similar would fit the bill for this
> nicely.
>
Yes, but it
> I feel like a Raspberry Pi or similar would fit the bill for this
> nicely.
>
Yes, but it wouldn't be ready to go ;). I would need to find a raspberry pi
with a built in serial port and a flavor Linux already loaded on it plus
configuration. There are plenty of SERVER devices out there (i.e.
On 7/30/22 11:23 PM, Ali via cctalk wrote:
I am ideally looking for a ready to go, low power device, I can hide
away as opposed to setting up a PC of my own running some *nix flavor
that I know can do this but is way over kill.
I feel like a Raspberry Pi or similar would fit the bill for this
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