I use them in the Cisco Meraki MX250. They are not permanently installed in the device. Therefore, it is very easy to accidentally pull them out.
π Gigabit Ethernet Media Converter, Single Mode Dual SC Fiber, 1000Base-LX to 10/100/1000Base-Tx, up to 20km, 2-Pack
9 Review
MikroTik S+RJ10 Ethernet Transceiver
10 Review
TRENDnet TC-TP1 Network Signal Testing Probe with Adjustable Volume, Speaker and Compatibility for TC-NT2
8 Review
π‘ Izokee ESP-01 Serial WiFi Transceiver Module with USB Converter, Compatible with Arduino
8 Review
π HOYOKI 9 in 1 USB C Hub Adapter: Ethernet 1000Mbps, 4K HDMI, 3 USB 3.0 Ports, 5Gbps USB-C Data, 100W PD Thunderbolt 3, SD/TF Slots for MacBook, Dell XPS and More Type C Devices
6 Review
π CERRXIAN RS232 to Ethernet Serial Device Server - TCP/IP Converter with 1Port DB9 RS232 Serial to Ethernet Connectivity
3 Review
π StarTech.com NETRS2321P: 1-Port RS232 to Ethernet IP Converter, Serial over IP Device Server - Black
5 Review
π» MacBook Purgo Adapter 2020/2018/2016/2016
4 Review