FS 48-Port 10/100/1000Base-T Gigabit L3 Managed Switch w/4 10GB SFP+ Uplinks, Enterprise Switch for HCI, Redundant Power Supplies, MLAG, S5800-48T4S 100969
ESC-2 Ethernet to Serial Converter
Connect, configure and manage two remote RS232 serial devices, over an IP network. This 2-port serial device server is a cost-effective way to remotely connect to and manage two serial devices over your typical IP network. The device server integrates two RS232 ports into a rugged metal housing with an extended operating temperature range, so it's perfect for factory and industrial settings.
StarTech.com 2 Port Serial-to-IP Ethernet Device Server - RS232 - (netrs2322p)
L2+ Managed PoE Switch, Serial Over Ethernet
Ethernet / Serial Device Servers - Advantech
Business Switches
Business Ethernet Core (BEC) - Wholesale
Business Switches
Ethernet business services, Solution
Ethernet / Serial Device Servers - Advantech
Cisco Small Business 200 Series Smart Switches - Cisco
Industrial 2-Port RS-232 to Ethernet Data Gateway TCP/IP