don't have a photo handy, but the connection is simple:
USB out of Macbook pro into HRT MSII+. Out the of the MSII+ is an RCA to mini jack cable from Blue Jeans. That goes into the SR-71A and then I have a custom Blue Dragon headphone cable from Moon audio.
Recently I added an external powered USB hub. I didn't intend this to be an audio upgrade, i just needed more ports. But WOW, when I plug the dac into that instead of directly into the macbook pro i was amazed to find the sound more open and less grainy.