Interfacing K8090 to open collector outputs?

I am interested in using the K8090 8-channel USB relay board in a stand-alone configuration (i.e., no USB), where open collector outputs drive the relay switching. Is there any documentation or help anywhere on how this might be accomplished (e.g., wiring diagram)?

K8056 would be a better choice in that case.

Thanks, but I ask because I already have a spare 8090 and don’t wish to purchase new hardware. Any one?

Open collector connection is shown on page 7, item 18 of the illustrated partslist.

Now how did I miss that? Thanks for info.