Resource strings, can I add a port?

[Oskar Nordström]

Hello!

I am trying to control an instrument running on GPIB using Python-IVI, but have to use a VXI->GPIB bridge (Prologix Ethernet->GPIB).

I tried to use the VISA resource string given as an example in the README, and specifying IP adress and GPIB adress gives me Connection Refused. (Ex: TCPIP0::10.0.0.1::gpib,5::INSTR)

I get the same issue just connecting to the instrument using a telnet connection (Ex: telnet 10.0.0.1), however I can connect to the instrument using a telnet connection, but also specifying a port

(Ex: telnet 10.0.0.1 1234).

Is there any way I can send a port into the VISA resource string? Or do I need to do something else?
The README example use a E2050A GPIB to VXI bride, should I look for one such?

(I do not believe i found anything such in the resource string examples)

Kind Regards//
Oskar Nordström

[Alex Forencich]

The last time I checked, the prologix box does not speak the standard ethernet instrument control protocol (VXI-11) and hence is not supported. 

Alex Forencich

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[Oskar Nordström]

Thanks for a quick answer!

Is there any bridge that you would recommend that is supported?

[Alex Forencich]

The E2050A is old but it works well.  The newer E5810A/B units from Agilent/Keysight are another good option.  The ICS-9055 also works fine.  I think the Tektronix AD007 may also work.  Avoid anything from NI, they have their own proprietary protocol. 

Alex Forencich

[Oskar Nordström]

Thanks a lot for your help!