The Connectronics CTX-BMICRO-1RM rack shelf is designed for mounting up to 8 Blackmagic Micro Converters while giving external access to the SDI ports:
https://www.markertek.com/product/ctx-b ... convertersThere are also a few 3D printed mounting brackets that people have come up with for the Micro Converters, such as these:
https://www.thingiverse.com/thing:4790617https://www.thingiverse.com/thing:5143759https://aaronparecki.com/2021/01/08/18/ ... erter-cageAnd then there are some adjustable rack mount shelves that are designed to accommodate a wide range of mini converters or micro converters (including those from Blackmagic and other manufacturers):
https://www.bhphotovideo.com/c/product/ ... erter.htmlhttps://www.vanco1.com/product/adjustab ... shelf-kit/Most of these types of converters have a pair of screws for the housing on the sides of the converter. So if you remove these screws from one side of the converter and get some longer screws with the same thread type, you can often use that as a way to mount the converter in a vertical orientation to a rack shelf or other location. This approach can be used with a variety of vented rack shelves or even by drilling holes in a solid rack shelf.