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.

Digi International 70001862 Digi One IA 1-Port RS-232/422/485

Single-port serial device server bridges RS-232/422/485 to Ethernet

Converts RS-232, RS-422, and RS-485 serial protocols for network access
Compact 11" × 8" × 2" form factor fits rack and wall-mount installations
Integrates legacy serial equipment with SCADA systems and industrial controllers

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Digi International

SKU: 70002041

Digi International 70002041 PortServer TS 1-Port RS-232

Single RS-232 serial device server with DIN rail mount for network access

One RS-232 port bridges legacy serial devices to Ethernet networks remotely
DIN rail mountable design integrates into industrial control and security panels
AC power supply with universal plugs (US, EU, UK, AU) to 12 VDC connector

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Digi International

SKU: EZ04-P000

Digi International EZ04-P000 4-Port RS232/422/485 Serial Device

4-port serial device server bridges RS232/422/485 equipment to Ethernet

4 independent ports support RS232, RS422, and RS485 protocols
10/100 Mbps Ethernet connectivity integrates with existing network infrastructure
Purpose-built for security, telecom, and industrial automation deployments

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Digi International

SKU: 70002045

Digi International 70002045 PortServer TS 4-Port RS-232

4-port RS-232 device server with DIN rail mount for serial-to-Ethernet conversion

Four independent RS-232 ports for legacy equipment connectivity over Ethernet
DIN rail mountable design fits standard 35mm rails in control cabinets
AC universal power supply (US, EU, UK, AU plugs) with 12 VDC output

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$1,014.99

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Digi International

SKU: 70002043

Digi International 70002043 PortServer TS 2-Port RS-232

2-port RS-232 serial server with DIN rail mount for legacy device integration

Connect 2 RS-232 serial devices to Ethernet networks via TCP/IP bridging
DIN rail mounting fits standard telecom and industrial control racks
AC power supply with universal plugs (US, EU, UK, AU) to 12 VDC connector

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$345.99 $330.99 Save $15.00

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