Serial Ethernet Converter (RS232, 485, 422) - Industrial, 2 Ports
Serial Ethernet Converter (RS232, RS485, RS422) Industrial Panel Mount, 2 Ports - Pro [USC-HF5122] - $149.00 : Serial Data Communication by U.S. Converters LLC
2 Port Ethernet Shield Arduino Hardware Compatible from Elsofgel on Tindie
Amazon.com: Ethernet Wall Plate, 2 Port Cat6 Keystone Female to Female - White : Electronics
Rj45 1 To 3 1 To 2 Port Ethernet Cable Splitter Connector Network Adapter Ethernet Socket Extender For Cat 8 Cat 7 Cat 6 Cat 5 - Network Hubs - AliExpress
2 Port USB 2.0 Over Ethernet USB Device Server - Coolgear
HPE Ethernet 10Gb 2-port SFP+ 57810S Adapter | HPE Store US