Serial Servers


Industrial/Hardened Serial Servers

Hardened, rugged serial servers for industrial applications.

Digi Connect® ES (Extended Safety)

Serial Server with Galvanic Isolation.

  • Safety certified – IEC 60601 / EN60601 3rd edition compliant
  • Optional Integrated Ethernet switch
  • 4 or 8 electrically isolated serial ports (RS-232)


Digi One® IAP Family

Multi-Protocol Conversion Capabilities for Automation Integration.

  • Industrial serial server and protocol bridge
  • Hardened 1-port device server for hazardous locations
  • Multi-master/multi-protocol support


Digi One® IA

Serial Server to Ethernet Enable Any Industrial Serial Device.

  • Modbus serial to Modbus/TCP protocol conversion
  • TCP/UDP Socket Services for broad device connectivity
  • 1 RS-232/422/485 switch selectable serial port


Digi One® SP IA

Ethernet Enable Any Industrial Device.

  • Serial-to-Ethernet for industrial automation
  • Device server with DIN rail and wall mount kits
  • 1 switch selectable RS-232/422/485 serial port


PortServer® TS MEI Hardened

Hardened, Rugged Serial Servers for Outdoor Extended Temperatures.

  • Outdoor extended temperature tolerance (-35° C to +74° C)
  • Device servers with conformal coated circuit boards
  • NEMA TS 2 certification, Class 1 Div 2


Digi Connect® N2S-170

Ethernet Network Controller.

  • Designed for Model 170 traffic signal controller equipment
  • Form factor-compatible with Model 400 modem cards
  • Strong NIST-certified data encryption
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Serial Cards

Serial Cards

Low-profile serial adapter cards.

Digi Neo®

Low Profile Serial Cards.

  • PCI Express 1x slot
  • 4/8 PCIe RS-232 serial port options
  • Low latency/Surge suppression
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Serial Device Servers

Serial Device Servers

Secure access and management for servers and network devices.

Digi Connect® WS

Extended safety terminal server is designed for serial over network applications that require 60601 certified solutions.

  • 1/4/8-port RS-232 serial-to-network connectivity
  • 802.11 a/b/g/n Wi-Fi
  • Power over Ethernet support

ConnectPort® TS 8/16

 Terminal Servers with Dual IPv4/IPv6 Stack.

  • Dual IPv4/IPv6 stack
  • 8 or 16 serial ports with Tx/Rx LEDs
  • Patented RealPort® technology for COM/TTY port control/ management

ConnectPort® LTS 8/16/32

 Next generation serial servers support GB Ethernet and IPv6 networks. Optional ZigBee and USB bring wireless capabilities into multi-port serial server environments.

  • Dual GB Ethernet ports for redundancy
  • 8, 16 or 32 serial ports
  • EIA 232 and MEI (232/422/485) versions.

ConnectPort® TS 4×4

 Serial Device Server and Ethernet Switch.

  • Python development environment for custom applications
  • IPv4/IPv6 capable
  • SLS/TLS and SSHv2 for added security

Digi Connect SP®

Compact Form Factor Serial Server for Custom Networking Applications.

  • 1 switch selectable RS-232/422/485 serial port
  • Customizable device server
  • Python and Device Cloud support

Digi One® SP

Compact Serial Server.

  • Serial-to-Ethernet connectivity
  • TCP/UDP Socket Services for broad device connectivity
  • 1 switch selectable RS-232/422/485 serial port

PortServer® TS

Easy Serial-to-Ethernet Connectivity.

  • 1, 2, or 4 RS-232 RJ-45 serial ports
  • RealPort® with encryption provides SSL-based protection
  • SSHv2 for encrypted connections

PortServer® TS M MEI

Serial Server with Internal Modem.

  • Device server with one v.90/v.92 modem port
  • Access remote devices and IP networks
  • 3 serial ports with internal modem

PortServer® TS MEI

RS-232/422/485 Switch Selectable Expansion for Asynchronous Connectivity.

  • RS-232/422/485 switch selectable serial ports
  • 1, 2, 4, 8 or 16 serial ports
  • Serial port expansion for manufacturing floor, gas pump, Industrial Automation

PortServer® TS P MEI

RS-232/422/485 Serial Server with Powered Serial and Ethernet Options.

  • End-span and mid-span PoE (Power over Ethernet)
  • Device server with 2 or 4 RS-232/422/485 serial ports
  • Serial port expansion for devices in locations where power outlets aren’t available
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Serial Servers Overview

Serial Servers

Digi offers a complete line of external serial servers, delivering advanced TCP/IP, UDP, SSH, or TLS/SSL to serial network connectivity to any serial device. Expand your network and achieve greater connectivity for a variety of applications. Device servers make it possible to connect almost any piece of equipment to an existing Ethernet network, enabling superior M2M communication and more advanced wireless technology.

Digi RealPort, Digi’s industry leading network-to-serial driver provides serial-over-IP COM/TTY connectivity to network enable your critical applications.

Choose from a selection of serial device servers, industrial/hardened serial device servers and wireless serial servers, designed to provide bulletproof security, management and control. They are ideal for facilitating serial port expansion in a variety of industries including energy, industrial, medical, transportation, retail and smart cities.

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Wireless Serial Servers

Wireless Serial Servers

Secure and compact wireless serial servers.

Digi Connect® Wi‑SP

Compact, 802.11b Wireless Serial Server with Enterprise-Class Security.

  • Serial to 802.11b device server
  • 1 switch selectable RS-232/422/485 serial port
  • Integrated mounting tabs
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