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Cisco SMARTnet Authorized Reseller

Black Box LES421A 1-Port Hardened Serial Server

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Reliable serial-to-Ethernet connectivity for demanding environments

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Detailed Specifications

Black Box LES421A

1-Port Hardened Serial Device Server

The Black Box LES421A is a durable, 1-port serial device server designed to convert serial data streams into Ethernet network signals in demanding industrial environments. Its rugged build ensures reliable operation amidst dust, vibration, and temperature extremes, making it perfect for connecting legacy serial devices to modern network infrastructures in factories, outdoor installations, or remote sites.

Features :

Built to withstand tough conditions, the LES421A allows seamless remote access to serial devices—such as sensors, controllers, or instrumentation—without the need for physical site visits. Its hardened design ensures dependable performance where environmental factors are challenging. The device simplifies network integration by supporting web-based configuration, enabling quick setup and easy management via any standard web browser from your office or home.

Advanced Options :

This serial device server reduces downtime and enhances productivity by allowing quick troubleshooting, configuration adjustments, or firmware updates remotely. Its user-friendly software interface eliminates complex setup procedures, enabling even non-technical personnel to manage connected devices efficiently. Whether deployed on a factory floor or in remote outdoor environments, the LES421A provides robust, flexible connectivity for industrial applications.

Product Key Features

  • Single serial port (RS-232/422/485) for device connection
  • Rugged, industrial-grade construction for harsh conditions
  • Enables remote management and configuration over Ethernet
  • Supports secure access via web browser
  • Ideal for factory floors, outdoor sites, and remote locations
  • Simplifies monitoring, troubleshooting, and configuration

Reliability & Performance :

Constructed from industrial-grade materials, the LES421A is engineered for durability and stable operation in extreme environments. Its hardened enclosure protects against contaminants, vibration, and temperature fluctuations, ensuring consistent data transmission. The device's straightforward web-based management interface simplifies deployment, configuration, and ongoing maintenance, reducing operational costs and minimizing downtime.

Key Features :

  • Single serial port (RS-232/422/485) for serial device connectivity
  • Rugged, industrial-grade construction for harsh environments
  • Web-based configuration and management
  • Supports remote troubleshooting and device management
  • Designed for factory, outdoor, and remote site applications
  • Easy installation and setup with minimal downtime

Specifications :

SpecificationDetails
Model Number LES421A
Product Type Hardened Serial Device server
Serial Port 1 x RS-232/422/485 (auto-sensing)
Network Interface 10/100 Ethernet (RJ-45)
Management Web browser-based, HTTPS, SSH
Environmental Resistance Dust, vibration, and temperature resistant
Power Supply 12V DC (external power adapter)
Dimensions 4.5" x 3.0" x 1.2"
Weight Approx. 1.2 lbs
Operating Temperature -40°C to 75°C (-40°F to 167°F)
Compliance RoHS, FCC, UL Listed
  • All packages are shipped same day if the order is placed before 3PM CST

    We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx

    Overnight Shipping take 1 business day
    Expedited Shipping take about 2-3 business days
    Ground shipping take about 3-5 business days

    You can select the desired service level at Checkout and we will make sure the package is shipped as per the selected service level.

  • We Accept

    i) PayPal
    ii) All Credit & Debit Cards
    iii) Purchase Orders
    iv) Check
    v) Bank Transfer/ACH/Wire Transfer

    To process the order through Paypal/CC, you can simply checkout and process the payment.

    If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following details

    Call: 469.458.9636
    Email: sales@dcsupplies.net

  • If you have any queries, please contact us at the following details and we will be happy to help

    Call
    469.458.9636
    469.458.9638

    Email
    sales@dcsupplies.net

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