152x • Ultra HD

This is a line of used to connect serial devices to an Ethernet network.

The HP 152X (W1520X) is a designed for professional printing performance. This is a line of used to connect

Features dual Ethernet ports to ensure connection reliability in industrial environments. graphs (amplitude/phase shift)

Angle measures, trigonometric functions, graphs (amplitude/phase shift), identities, and solving equations. EKI-1521 has 1 port

The "x" changes based on the number of ports (e.g., EKI-1521 has 1 port, EKI-1524 has 4). Other Niche Mentions

They allow RS-232/422/485 serial devices (like PLCs or sensors) to communicate over IP networks.