MICROFORUM

I have finished the Relais Matrix PSN schematics. PDF files are now uploaded to Microforum library.

No, I don't know the control codes for GPIB. I have used the instrument every time in manual mode. On the other hand, if I make the schematic from that, I could discover the codes, right?

I have this PSN Relay Matrix from Rohde and Schwarz, see photo. I don't have a manual for this. Inside, however, there is only a 2-layer circuit board that is equipped with classic TTL circuits. No CPU. Although the device has a GPIB interface, it does not have a GPIB controller. The GPIB is based o...