Showing CBM/CBM seal "dovetail" joint, bumper rail, thermal standoffs, capture fitting, and two alignment guides.
NASA
<a rel="nofollow" class="external free" href="https://picryl.com/media/s124e006153-sts-124-close-up-view-of-jpm-port-cbm-f06d22">https://picryl.com/media/s124e006153-sts-124-close-up-view-of-jpm-port-cbm-f06d22</a>