Your 2600 is sadly alone watching you playing with your euro rack. No cables for it. DON'T PANIC. Here a tutorial on how to integrate it in your modular system. No more tears. Your 2600 is happy now.
Otherwise it's a big all in one module with 3 oscillators THE FILTER LFOs Ring mod. slew sample and hold, utilities...a little Swiss army by itself.
Have a look.