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Black Box IC821A Universal RS-232 to RS-422 485 Converter - 1 x DB-9 RS-232 1 x Terminal Block - External View larger
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Black Box IC821A Universal RS-232 to RS-422/485 Interface Converter

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Interface converter designed to seamlessly connect RS-232 devices
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Detailed Specifications

Black Box IC821A

Universal RS-232 to RS-422/485 Interface Converter

The Black Box IC821A Universal RS-232 to RS-422/485 Interface Converter is a versatile, industrial-grade solution for connecting RS-232 devices to RS-422 or RS-485 networks. Designed for both full-duplex and half-duplex communication, it ensures reliable and noise-immune data transmission across long distances, making it ideal for automation, security, and remote monitoring applications.

Features :

This Interface Converter enables seamless signal conversion between RS-232 and RS-422/485 communication standards, offering compatibility with a wide range of serial devices. Its rugged build ensures dependable operation in industrial and commercial environments, while the easy installation process allows for quick integration into existing systems.

Advanced Options :

Interface Converter With support for long-distance communication (up to 4000 ft for RS-485) and multi-drop networking, the IC821A is perfect for scalable serial network setups. Its robust electrical design minimizes signal interference and maintains data integrity even in electrically noisy environments.

Product Key Features

  • Converts RS-232 signals to RS-422 or RS-485 for flexible communication
  • Supports full-duplex (RS-422) and half-duplex (RS-485) modes
  • Universal compatibility with a wide range of serial devices
  • Industrial-grade construction for durability
  • Easy installation and configuration
  • Ideal for long-distance and multi-drop networking

Reliability & Performance :

The IC821A is engineered to deliver stable and noise-resistant data transmission in challenging environments. Its capability to operate over extended cable runs and in multi-drop setups ensures dependable communication for critical systems, reducing downtime and increasing operational efficiency.

Key Features :

  • RS-232 to RS-422/485 signal conversion
  • Full-duplex and half-duplex operation
  • Compatible with various serial devices
  • Long-distance transmission up to 4000 ft (RS-485)
  • Rugged design for industrial applications
  • Supports multi-drop networking

Specifications :

SpecificationDetails
Model Number IC821A
Interface Support RS-232, RS-422, RS-485
Operation Modes Full-duplex (RS-422), Half-duplex (RS-485)
Transmission Distance Up to 4000 ft (1,200 m) (RS-485)
Power Supply 9-36 V DC
Environmental Range Industrial environments
Connectors DB9, terminal block (varies by model)
Certifications FCC, CE, RoHS compliant

  • 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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