This slot bracket by Delock is an accessory for D-Sub 9 pin connectors. A serial cable can be screwed from an internal connection to the slot bracket and thus lead the connection to the outside. Specification https://elecena.pl/product/24370244/90110-slot-bracket-for-1x-d-sub-9pol 2023-10-18 https://elecena.pl/product/24370244/90110-slot-bracket-for-1x-d-sub-9pol 2026-06-26