Based on this product's specifications, here are some alternatives and similar models
Bridging Converter Microsense MS400240 1x10/100/1000Base-T to 1x1000Base-SX
Summary description:
The Microsense MS400240 bridging converter connects copper Ethernet (1x10/100/1000Base-T) to fiber-optic 1000Base-SX (1x1000Base-SX). It provides a single-port Gigabit fiber uplink and an RJ45 copper port supporting 10/100/1000 Mbps, enabling link conversion between twisted-pair and multimode fiber networks. Ideal for extending Ethernet over fiber, integrating legacy copper equipment, and linking switches or media segments in campus and enterprise networks.