Telexforum.de

Or better titled: how I use Johannes' software to connect to the serial i-telex port.

My i-Telex boards are in the basement far away from my PC. And my preferred PC is a mac and is upstairs. I wanted to send and receive i-Telex messages over serial and avoid the mistake of sending lines that are too long via telnet. And I was intrigued by all of the extra very useful features in his program.

I have his program running in Windows 10 running on my mac using VMWare. In this windows 10 computer I am also running com0com to create virtual com ports and also com2tcp which then routes the com traffic from the virtual port over my local network.

Then I have a raspberry Pi that is running ser2net, which is the linux equivalent of com2tcp. The raspberry PI has a USB connection to an USB/RS-232 connector to a null modem cable to the i-Telex TW39 special board.

It is working well.

Paul

I use serveral USB server for this task.

This one is unfortunatly no longer available. I bought it for remote programming and debugging Arduinos over Ethernet:
www.amazon.de/LogiLink-UA0109-4-Port-Gi ... B004N866R6

I also have some of this devices:
www.amazon.de/TP-Link-TL-PS310U-Printse ... B002LB8XFK
Sometimes you can find this one for less than 20 Euro on ebay.

I use one of those connected to my house LAN.
It converts RS232 to Ethernet.

https://www.reichelt.de/1-port-rs232-se ... os_3&nbc=1

I can access the serial port from any device connected to my LAN or WLAN, even my smartphone.

Hi,

I use this one since many years:

https://www.lantronix.com/products/xport/

best regards,
Roland

roliw hat geschrieben: ↑Fr 26. Jun 2020, 12:19 Hi,

I use this one since many years:

https://www.lantronix.com/products/xport/

best regards,
Roland

@PaulHeller

You can also get one or more used XPort from Lantronics from me. 10 € each

here is the practical version for me.

https://telexforum.de/viewtopic.php?f=232&t=827

Thanks for the alternatives!

I am reopening this thread. I bought the Etheret to RS-232 device that Henning recommended above. It is EXSYS EX-6030. The device works well as I have tested it with the com port on my computer and a telnet tcp connection on another computer. Transmission works both ways through the device.

But it does not work with my usb serial i-Telex port. I tried setting the i-telex port to hardware handshake but that did not make a difference. There version of the serial port is: konfiguration seriell+speicher version 341 datum Nov 27 2017

Here is a screenshot of the configuration of the controller. Does anyone see something wrong or have an idea about why this will not work. I recall having to update the serial board at my location in Colorado before it would work there. I had to make a cable to do that. But the version was much older than 341.

what cable did you use? Between my PC and the serial card I use a cable with crossed wires.

I wondered about that. I figured since it worked so well with the serial port on the PC talking to the serial TCP adapter, everything would just work when I substituted i-Telex for the pc. I actually have a rs232 to usb cablein there as well because the I-Telex card is a usb Type b card rather than Rs-232 as is the case at my other station.

This works:
i-Telex USB serial port <> usb b - a cable <> PC USB port

this works:
PC USB Port <> usb a-b Adapter <> usb b - a cable <> Usb a - a Adapter <> usb a - rs232 Cable <> serial TCP adapter

This does not work:
i-Telex USB serial port <> usb b - a cable <> Usb a - a Adapter <> usb a - rs232 Cable <> serial TCP adapter

I’ll try a couple of different cables to see if it makes a difference. Thanks for the suggestion.

Paul

PaulHeller hat geschrieben: ↑Di 18. Aug 2020, 14:31
This does not work:
i-Telex USB serial port <> usb b - a cable <> Usb a - a Adapter <> usb a - rs232 Cable <> serial TCP adapter

Hi Paul

I think this cannot work because there is no USB master in this constellatin.

Unlike RS 232 connections at USB Systems there is always one master and several slaves.