Digi International 70001851 One SP 1-Port RS-232/422/485

Digi International 70001851 Serial Device Server

Overview

The Digi 70001851 ONE SP is a single-port serial device server designed to convert RS-232, RS-422, and RS-485 serial connections to Ethernet. This accessory enables legacy serial devices and equipment to integrate into modern IP networks without replacing existing hardware. Ideal for connecting industrial controllers, meters, sensors, and legacy instrumentation to networked environments.

Compatibility

Supports RS-232, RS-422, and RS-485 serial protocols. Integrates with systems requiring serial-to-Ethernet bridging in industrial automation, building management, utility monitoring, and equipment integration scenarios. Suitable for installation in network closets, control cabinets, and distributed edge locations where serial device communication must be extended across IP infrastructure.

Port Configuration

Single serial port with selectable protocol support (RS-232/422/485). Flexible serial connectivity for diverse equipment types within a single deployment.