Based on this product's specifications, here are some alternatives and similar models
DC/DC Converter Triton ASDC-12-121-HS with RJ45/DC connections (MPN 16751)
Summary description:
Triton ASDC-12-121-HS is a DC/DC converter designed for converting and stabilizing DC power in electronic systems. The unit features RJ45 and DC output/input connections and is identified by MPN 16751 and EAN 5902143691655. It is suitable for industrial and vehicle electronics, telecom equipment, and embedded systems requiring isolated or regulated DC power.