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Digi RS-232 Devices

Digi offers a broad range of RS-232-based devices, including cellular routers and extenders for enterprise, industrial and transportation use cases, as well as serial servers and console servers for infrastructure management.

RS-232 (also called EIA-223) is one of the most common type of serial connectors in use today. It is compatible with a wide variety of systems and devices and supports out-of-band management for IT equipment and remote field devices. You can find additional information about Digi RS-232 devices, cabling and serial connections in the Digi Cable Guide, the Digi RS-232, RS-422 and RS-485 Technical Brief, and the documentation for your specific Digi product.

Cellular Extenders

Digi® 6350-SR

Digi 6350-SR

Versatile high-performance LTE router for critical networking applications with a dedicated serial port and optional Wi-Fi

NRND
  • 4G LTE certified Digi CORE 1002-CM plug-in modem
  • LTE-Advanced, standard LTE, or LTE with EV-DO fallback
  • Upgrade to meet changing cellular standards
  • Ethernet WAN port for wireline network access
  • Optional high-speed Wi-Fi
  • Onboard USB 2.0 port
  • Zero-touch provisioning and cloud management
  • RS-232 serial port for out-of-band console management
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Digi EX12 LTE Cellular Extender

Digi EX12

Avoid network outages with primary or backup LTE connectivity; integrate seamlessly with existing infrastructure

  • Redundant cellular connectivity with dual SIMs and Digi SureLink®
  • Digi TrustFence® for built-in device security and data privacy
  • Optional Remote Mounting Kit with bracket, accessories, passive PoE injector and site survey battery pack to identify the best location for optimum cellular reception
  • Automatic cellular carrier detection and switching with Carrier Smart Select™
  • Digi Remote Manager® software for easy setup, mass configuration and management
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Cellular Routers

Digi IX10 Cellular Router

Digi IX10 Cellular Router

Rugged, reliable, cost-effective connectivity for critical industrial applications

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Digi IX20 4G LTE router

Digi IX20 4G LTE router

Cloud managed networking for critical applications — rugged, secure LTE router

  • Compact and economical cellular routing platform with industrial feature set
  • Redundant connectivity with dual SIMs and Digi SureLink®
  • FirstNet Ready™ models for first responder communications
  • Global bands and single part number to simplify global distribution, deployment and management
  • Built-in Digi TrustFence® for device security, secure encrypted connections, ongoing monitoring and support
  • Digi Remote Manager® platform for easy setup, mass configuration and management
  • Dual Ethernet ports and single serial (RS-232) port
  • Migrating from a WR-series device? Get information and tools to setup your new IX-series router.
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Digi TX54 LTE-Advanced Cellular Router

Digi TX54 LTE-Advanced Cellular Router

Rugged and secure cellular router for mission critical industrial and transportation applications, including models for public safety networks

  • Global models are available in both single and dual cellular options
  • Future-built with dual-core 880 MHz MIPS processor and PCIe 2.0 internal bus
  • Capable of segmenting private and public data communication across dual 600 Mbps LTE-Advanced Cat 11 or LTE-Advanced Pro Cat 12 cellular modules
  • High-speed 867 Mbps 802.11ac Wi-Fi for WAN or LAN service and optional dual Wi-Fi radios
  • Cryptographic co-processor with secure key generation
  • Securely deploy, monitor and control devices with Digi Remote Manager®
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Digi TX64 5G / LTE-Advanced Pro Cellular Router

Digi TX64 5G / LTE-Advanced Pro Cellular Router

High performance cellular router with dual redundant communications for complex transit and transportation systems

  • 5G platform: future-built with powerful quad-core processor
  • Segmented private and public data communication across 5G NR Sub-6 GHz, 4G LTE-Advanced Pro and 4G LTE-Advanced modems
  • FirstNet Ready™ for primary responder communication
  • Wired Gigabit Ethernet (4-port) for onboard systems
  • Video and vehicle data offload over Wi-Fi 5 4x4 backhaul
  • Passenger Wi-Fi over Wi-Fi 5 2x2 access point
  • Digi Remote Manager® platform for easy setup, mass configuration and management
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Digi WR31

Digi WR31

Intelligent 4G LTE router designed for critical infrastructure and industrial applications

  • Global HSPA+ and 4G LTE support and certification on major carrier networks around the world
  • Ethernet, serial I/O and Modbus bridging
  • Extremely resilient cellular connection through Digi’s patented SureLink®, VRRP+ protocol and dual SIM slots
  • Dedicated GNSS Receiver supporting GPS, GLONASS, BeiDou, Galileo 
  • License-free enterprise software: VPN, firewall, logging and authentication
  • Digi Remote Manager® platform for easy setup, mass configuration and management
  • Rugged enclosure, optimized for DIN rail or shelf mounting
  • C1D2 and ATEX rated; NEMA TS2 temperature rated
  • Migrating from a WR-series device? Get information and tools to setup your new IX-series router.
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Digi WR44 R

Digi WR44 R

All-in-one cellular router with advanced routing and VPN features, designed specifically for use in rugged environments

  • Rugged, enterprise-class cellular routers with advanced dynamic routing, security and firewall features
  • Heavy-duty cast aluminum enclosure for reliable performance in rugged environments
  • Integrated 802.11 ac/a/b/g/n; a/n Wi-Fi access point (optional) and 4-port Ethernet switch
  • Flexible interfaces including GPS and CAN with DC power options
  • Cellular to Wi-Fi autoswitch feature automatically uses the highest speed/lowest cost WAN network available
  • Digi Remote Manager® platform for easy setup, mass configuration and management
  • Migrating from a WR-series device? Get information and tools to setup your new IX-series router.
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Digi WR44 RR

Digi WR44 RR

Rugged, all-in-one cellular router with 3G/4G GPS designed for use on-board rail vehicles

  • Heavy-duty enclosure and connectors designed for shock and high vibration environments
  • Enterprise-class routing, VPN and firewall capabilities
  • Optional integrated 802.11 ac/b/g/n; a/n Wi-Fi access point
  • Dual SIM for carrier redundancy
  • Cellular to Wi-Fi autoswitch
  • Full on-board train certs including AAR S-9401 and EN50155
  • Digi Remote Manager® platform for easy setup, mass configuration and management
  • Migrating from a WR-series device? Get information and tools to setup your new IX-series router.
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Console Servers

Digi Connect IT 16/48

Digi Connect IT 16/48

Centrally manage routers, firewalls, servers and other critical IT infrastructure over LTE or enterprise WAN

  • Digi CORE™ LTE modems support Cat-M, Cat 1, Cat 4, and Cat 6 in multiple regions
  • Power supply kit provides dual replaceable redundant internal power
  • Digi Connect IT 16
    • (16) RJ-45 RS-232 (standard/reversed mode selectable)
  • Digi Connect IT 48
    • (48) RJ-45 RS-232 (standard/reversed mode selectable)
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Digi Connect IT 4 Console Server

Digi Connect IT 4

Out-of-band management of network and server equipment

  • Advanced modem management software
  • OOB management and recovery using secure SMS
  • Add instant business continuity to any location with primary or backup LTE connectivity
  • Protect your business and brand with a simple solution to avoid network disruptions and outages
  • Modular cellular support allows "right-sizing" cellular speeds and costs
  • Operates independently from in-band network
  • Send automated alerts via email or SMS to notify of any network issues
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Digi Connect IT Mini Console Server

Digi Connect IT Mini

Secure, affordable, managed out-of-band access for isolated remote IT devices

  • LTE Cat-M for maximum coverage
  • Out-of-band (OOB) management and recovery using secure SMS
  • Advanced modem management software
  • Early detection and remediation of issues
  • Operates independently from in-band network
  • Identify any unusual activity or attempts to access the remote device
  • Send automated alerts via email or SMS to notify of any network issues
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Digi XBee Gateways

Digi XBee SX RF Modems

Digi XBee SX RF Modems

1-Watt industrial-grade 900 MHz RF modem with best-in-class range and power consumption for wireless cable replacement

  • Adjustable output power up to 1-Watt achieves up to 65 mile range*** with high gain antenna
  • Interfaces options include RS-232, RS-485, USB, Analog I/O and Digital I/O
  • DigiMesh® networking topology for redundancy and reliability
  • 256-bit AES encryption for secure data communications
  • Rugged metal enclosure and -40º C to 85º C operating temperature for industrial applications
  • Fully certified for use in free, unlicensed 900 MHz band
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Digi XBee-PRO 900HP RF Modems

Digi XBee-PRO 900HP RF Modems

900 MHz stand-alone RF modems provide outstanding range (up to 28 miles)* in a reliable wireless solution

  • Industrial design with -40° C to 85° C operating temperature
  • Superior outdoor LOS range of up to 28 Miles*
  • RF data throughput up to 200 Kbps
  • 900 MHz license-free ISM band operation
  • Interface options include RS-232, RS-485, USB and Ethernet
  • DigiMesh® peer-to-peer mesh networking protocol
    • Self-healing and discovery for network stability
  • Includes mini-USB port for simnple device configuration
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Gateways

XTend<span>®</span> 900MHz RF Modems

XTend RF 900MHz Modems

1 Watt/900 MHz stand-alone radio modems

  • Outdoor line-of-sight range up to 40 miles* (with high gain antenna)
  • Outstanding receiver sensitivity (-110 dBm @9600 bps)
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Serial Connectivity

ConnectPort LTS 8/16/32 Terminal Server

ConnectPort LTS 8/16/32

Next generation serial servers support GB Ethernet and IPv6 networks

  • Dual GB Ethernet ports for routing
  • Software selectable RS-232/422/485 (MEI models only) for industrial applications
  • LCD display for status monitoring, diagnostics and configuration
  • SD memory slot for data storage, supporting SD and HCSD
  • Dual power option on 16-port MEI model
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ConnectPort TS 8/16 Terminal Server

ConnectPort TS 8/16

Terminal Servers with Dual IPv4/IPv6 Stack

  • Low latency connectivity for sensitive applications
  • 8 or 16 RS-232 or software selectable RS-232/422/485 serial ports
  • Dual IPv4/IPv6 stack
  • Easy-to-use Python development environment for custom applications
  • Tx/Rx LEDs per serial port
  • Patented RealPort® technology for COM/TTY port control/ management
  • Web proxy support
  • Per user access controls
  • Digi Remote Manager® support
  • SSL/TLS and SSHv2 for added security
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Digi Connect SP<span>®</span>

Digi Connect SP

Compact serial server delivers a powerful off-the-shelf hardware platform for standard plug and play applications or embedded networking solutions

  • Off-the-shelf hardware platform for standard or custom network applications
  • Compact enclosure design with integrated mounting tabs
  • RS-232 or switch-selectable RS-232/422/485
  • Flexible 9-30 VDC power input
  • Product customization options
  • SSL/TLS with NIST-certified AES encryption for security sensitive environments
  • Digi’s patented RealPort® with encryption for COM/ TTY port redirection and control
  • Support for IPv6, SNMP, SSHv2 and Digi Remote Manager®
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Digi Connect WS 60601 Certified Extended Safety Terminal Server

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
  • IEC 60601 3rd edition compliant
  • Wi-Fi Alliance Certified, WPA & WPA2 personal and enterprise, AES, TKIP, 802.11w, 802.11d, 802.11h, PMF
  • VESA mountable
  • TCP Socket Connectivity to individual devices
  • HTTPS supported for additional security
  • Ports may be connected to from different systems, OS independent
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Digi One<span>®</span> IA

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
  • Industrial protocol support
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Digi Connect<span>®</span> ES (Extended Safety)

Digi Connect ES

Extended safety terminal server designed for serial over Ethernet applications that require isolation on and between ports

  • 4/8-port RS-232 serial-to-network connectivity
  • IEC 60601 3rd Edition compliant
  • Galvanic isolation on all ports
  • Wall mountable
  • Patented Digi RealPort® technology provideslocal serial port functionality
  • RealPort with encryption available for SSL-based protection for additional security
  • Ports may be shared between multiple hostsrunning different operating systems
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Digi One<span>®</span> IAP Family

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
  • Conformal coated circuit board
  • Device server with 1 DB-9 serial port plus pass-through port
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Digi Neo<span>®</span>

Digi Neo

Low Profile Serial Cards

  • PCI Express 1x slot
  • 4/8 PCIe RS-232 serial port options
  • Low latency/Surge suppression
  • Low Profile cards
  • Up to 921.6 Kbps
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Digi One<span>®</span> SP

Digi One SP

Cost-effective serial-to-Ethernet connectivity in a compact design for simple data communication applications

  • Patented RealPort® for COM/TTY port control and management
  • TCP/UDP Socket Services for broad device connectivity and application use
  • Auto-connect the serial device to networked server using raw, Telnet, rlogin
  • Reverse Telnet for easy access of serial devices from network
  • Switch selectable RS-232/422/485 for simple interfacing to any type of serial device
  • Modem emulation allows support for devices designed only for modem communications
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Digi One<span>®</span> SP IA

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
  • TCP/UDP Socket Services for broad device connectivity
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PortServer<span>®</span> TS

PortServer TS

Easy Serial-to-Ethernet Connectivity

  • 1, 2 or 4 RS-232 serial ports for standard serial-to-Ethernet connectivity
  • Ideal for applications requiring COM ports, serial tunneling, TCP/UDP sockets, or multiple unicast functionality
  • Patented RealPort® for COM/TTY port control and management
  • Modem emulation
  • Monitoring and diagnostic utility
  • Secure communication via SSHv2
  • Tunable for low latency or optimized for throughput
  • Easy web-based configuration (HTTP/HTTPS)
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PortServer<span>®</span> TS MEI

PortServer TS MEI

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

  • RS-232/422/485 switch selectable serial ports
  • 1, 2 or 4 serial ports
  • Serial port expansion for manufacturing floor, gas pump, Industrial Automation
  • RealPort® with encryption provides SSL-based protection
  • SSHv2 for encrypted connections
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PortServer<span>®</span> TS M MEI

PortServer TS M MEI

Serial Server with Internal Modem

  • Easily connect to remote networks and devices
  • Internal v.90/v.92 modem
  • 3-port models for application flexibility
  • RS-232/422/485 switch-selectable on all ports
  • RealPort® for COM or TTY port control and management
  • PPP and SSH for creating secure IP network over serial connection
  • Easy IP assignment via DCHP, RARP, ARP-Ping or Digi utilities
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PortServer TS MEI Hardened

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
  • 1, 2 or 4 switch-selectable serial ports (RS-232/422/485)
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PortServer<span>®</span> TS P MEI

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
  • Serial-to-Ethernet connectivity
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Single Board Computers

Digi ConnectCore 6+ SBC

Digi ConnectCore 6+ SBC

NXP i.MX6Plus based surface-mount module solution with scalable, quad-core performance and integrated wireless connectivity

  • Compact off-the-shelf SBC
  • Scalable capabilities and i.MX6Plus performance
  • Gigabit Ethernet and pre-certified dual-band 802.11ac + Bluetooth® 5
  • Seamless cellular modem and Digi XBee® integration
  • Complete set of available peripherals and interfaces with customization options
  • Designed for flexibility and reliability
  • Yocto Linux and Android software platform support
  • Industrial operating temperature available
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Digi ConnectCore 6 SBC

Digi ConnectCore 6 SBC

Reliable and compact NXP i.MX6 SBC family with integrated Ethernet, Wi-Fi, Bluetooth 4.0, Digi XBee and cellular connectivity options

  • Compact off-the-shelf SBC family
  • Scalable capabilities and i.MX6Quad/Dual/DualLite performance
  • Gigabit Ethernet and pre-certified dual-band Wi-Fi + Bluetooth® 4.0
  • Ready for cellular connectivity and Digi XBee® RF
  • Complete set of available peripherals and interfaces with customizable options
  • Windows® Embedded Compact, Yocto Project® Linux® and Android™ software platform support
  • Industrial operating temperature available
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Digi ConnectCore 8X SBC Pro

Digi ConnectCore 8X SBC Pro

Intelligent and connected single board computer based on the NXP i.MX 8X; with scalable dual/quad-core performance for industrial IoT applications

  • Industrial i.MX 8X quad/dual-core SOM and SBC platform family
  • Compact Pico-ITX form factor (100 mm x 72 mm)
  • Power management with both hardware and software support for low-power designs
  • Multi-display and camera capabilities with hardware acceleration
  • Pre-certified dual-band 802.11a/b/g/n/ac 2x2 and Bluetooth® 5 connectivity
  • Seamless cellular modem and Digi XBee® 3 integration
  • Built-in Digi TrustFence® device security
  • Yocto Project® Linux® and Android™ support
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Digi ConnectCore 6UL SBC Pro

Digi ConnectCore 6UL SBC Pro

Powerful, secure, pre-certified connected Single Board Computer in standard form factor with complete design flexibility.

  • Powerful and flexible off-the-shelf solution in Pico-ITX form factor
  • Production-ready with minimal hardware design effort
  • Rugged design with industrial operating temperature range
  • Pre-certified dual-band 802.11ac Wi-Fi connectivity
  • Bluetooth® 5, with Bluetooth Low Energy support
  • Out-of-box support for cellular connectivity
  • On-board NFC Forum Type 2 compliant tag
  • Dual 10/100 Mbit Ethernet networking
  • Integrated display and camera capabilities
  • Rich interface and peripheral support
  • Complete Yocto Project® Linux® BSP with source code
  • Digi TrustFence® device security framework
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Rabbit<span>®</span> OP7200 eDisplay

Rabbit OP7200 eDisplay

Ethernet-Intelligent Operator Interface

NRND
  • Rabbit® 2000 microprocessor at 22 MHz
  • ¼ VGA display (320 x 240 pixels)
  • 10Base-T Ethernet, RJ-45
  • 256K Flash/128K SRAM
  • 24-27 industrialized I/O and 4 CMOS-compatible serial ports
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Rabbit<span>®</span> SBC BL2100 Series

Rabbit SBC BL2100 Series

Single-Board Computer

NRND
  • 40 sinking/sourcing digital I/O
  • Up to 512K Flash for program and up to 512K SRAM for data
  • 16 digital outputs which can sink/source 200 mA
  • 11 A/D and 4 D/A with 12-bit resolution
  • Up to 4 serial ports: two 3-wire (or one 5-wire) RS-232 and 1 RS-485
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Rabbit<span>®</span> SBC BL4S200 Series

Rabbit SBC BL4S200 Series

Single-Board Computer

NRND
  • Uses Rabbit® 4000 and Rabbit 5000 microprocessors
  • Choice of Wi-Fi or Ethernet connectivity
  • 40 digital I/O and up to 5 serial ports
  • 8 input and 2 output analog channels
  • Advanced I/O subsystem is software configurable reducing the load on the processor
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Rabbit<span>®</span> SBC BL2600 Series

Rabbit SBC BL2600 Series

Ethernet-Enabled Single-Board Computer

NRND
  • Rabbit® 3000 microprocessor at 44 MHz
  • 10/100Base-T Ethernet, RJ-45
  • 512K Flash/512K SRAM
  • 36 digital I/O (configurations include protected digital inputs, sinking/sourcing outputs, high current outputs)
  • 12 analog channels: eight 11-bit A/D, four 12-bit D/A buffered outputs
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Rabbit<span>®</span> SBC BL4S100 Series

Rabbit SBC BL4S100 Series

Single-Board Computer

NRND
  • Rabbit 4000 running at 40 MHz
  • On-board Rabbit RIO® device for exceptional I/O functionality and flexibility
  • Web Server functionality
  • Easy implementation of mesh networking with known good hardware
  • Dynamic C® software environment to reduce development time
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Rabbit<span>®</span> SBC LP3500 Series

Rabbit SBC LP3500 Series

Single-Board Computer

NRND
  • Low power consumption less than 100 uA in power save mode
  • 8 A/D inputs with 12 bit resolution
  • Digital outputs can sink up to 200 mA
  • 6 serial ports for multiple device connectivity
  • 16 protected digital inputs
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System-on-Modules

Digi ConnectCore 8X SOM based on NXP i.MX 8X

Digi ConnectCore 8X

Intelligent and connected embedded system-on-module based on the NXP i.MX 8X, with scalable dual/quad-core performance for industrial IoT applications

  • Industrial i.MX 8X quad/dual-core SOM and SBC platform family
  • Digi SMTplus® form factor (40 mm x 45 mm) for ultimate reliability and design freedom
  • Power management with both hardware and software support for low-power designs
  • Multi-display and camera capabilities with hardware acceleration
  • Pre-certified dual-band 802.11a/b/g/n/ac 2x2 and Bluetooth® 5 connectivity
  • Seamless cellular modem and Digi XBee® 3 integration
  • Cloud and edge-compute services integration
  • Built-in device security with Digi TrustFence®
  • Yocto Project® Linux® and Android™ support
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Related Content

What Are RS-232, RS-422 and RS-485? What Are RS-232, RS-422 and RS-485? RS-232, RS-422 and RS-485 can all be used in various IoT applications and all three are supported by a number of different Digi devices. VIEW PDF