Mencon Female RJ45 to Male M12 Adapter Part Number MDE45RJ-4MFR-BM
Amazon.com: Automation Systems Interconnect ASI ASI-M12-RJ45-11101 M12 4 Position D-Coded Male to RJ45 Male Shielded Cable Assembly, Cat5e SFTP 24 AWG with Black PUR Jacket, 1 Meter : Electronics
M12 to RJ45 Adapter, M12 To RJ45 Bulkhead Connector, Male M12 D-Coded, Thru Panel Straight Adapter, Shielded, ASITPA-4512MD-S - ASI