This connection chart is for Lumberg Automation M12 connectors used with LioN-P series of IO-Link Master & Hub M12 distribution blocks

I/O Connections
Description	Part Number
Male straight/Female straight	RST 4-RKT 4-646/* M
Male straight/Female right angle	RST 4-RKWT 4-646/* M
Male straight	RST 4-646/*M
Male right angle	RSWT 4-646/*M
Female straight	RKT 4-646/*M
Female right angle	RKWT 4-646/*M
Male straight - Screw type - 3-6.5 mm	RSC 4/7
Male straight - Screw type - 4-8 mm	RSC 4/9
Male straight - Spring type - 3-6.5 mm	RSCQ 4/7
Male straight - Spring type - 4-8 mm	RSCQ 4/9
Male right angle - Screw type - 3-6.5 mm	RSCW 4/7
Male right angle - Screw type - 4-8 mm	RSCW 4/9
Female straight - Screw type - 3-6.5 mm	RKC 4/7
Female straight - Screw type - 4-8 mm	RKC 4/9
Female right angle - Screw type - 3-6.5 mm	RKCW 4/7
Female right angle - Screw type - 4-8 mm	RKCW 4/9