Panduit physical port-security accessories serve different tasks. Blockout devices occupy unused RJ45 jacks; plug lock-in devices help retain a connected plug.

PSL-DCJB: Red RJ45 jack blockout devices; 10 devices and one removal tool.
PSL-DCJB-IW: Off-white RJ45 jack blockout devices; 10 devices and one removal tool.
PSL-DCPLRX: Recessed RJ45 plug lock-in devices; 10 devices and one tool.

Each listing supplies its selected device pack. Confirm RJ45 hardware clearance and choose blockout or lock-in to match the intended use. Retain the correct removal tool and follow the product instructions. Network hardware is sold separately.