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The Black Box ICD400A is a rugged Industrial Media Converter designed to convert RS-232 signals to RS-422/485 for reliable long-distance serial communication in harsh environments. Built for industrial applications, it ensures robust and error-free data transmission, making it ideal for factory automation, SCADA, utility monitoring, and remote device management.
As a genuine Black Box product, the ICD400A guarantees long-term durability, seamless interoperability with industrial systems, and reliable performance in mission-critical environments.
This industrial-grade Media Converter is engineered to meet demanding industrial standards. It provides easy integration with existing serial equipment, protects against data loss in electrically noisy environments, and can be mounted on DIN rail or panels for flexible deployment.
The ICD400A supports both RS-422 and RS-485 conversions with automatic driver control to simplify RS-485 communications. Its rugged metal housing ensures protection against shocks and surges, while its wide operating temperature range makes it suitable for extreme industrial conditions. With plug-and-play setup, no special drivers or software configuration is needed, reducing downtime and maintenance costs.
The Black Box ICD400A Media Converter is designed for dependable communication in mission-critical environments. Its robust engineering ensures that even in high-interference or high-temperature conditions, your data transmissions remain accurate and stable. It eliminates common issues like signal degradation and timing errors, resulting in smooth industrial network operations.
| Specification | Details |
|---|---|
| Part Number | ICD400A |
| Brand | Black Box |
| Product Type | Media Converter |
| Conversion Type | RS-232 to RS-422/485 |
| Supported Baud Rate | Up to 115.2 Kbps |
| Maximum Distance | 4000 ft (approx. 1.2 km) |
| RS-232 Interface | DB9 female connector |
| RS-422/485 Interface | Terminal block screw connectors |
| RS-485 Operation | Automatic data direction control |
| Mounting Options | DIN-rail or wall/panel mount |
| Enclosure | Rugged industrial steel housing |
| Power Supply | 9–30 VDC external |
| Power Consumption | Low power usage for efficiency |
| Operating Temperature | -40°C to +80°C (-40°F to +176°F) |
| Humidity | 5%–95% non-condensing |
| Indicators | LEDs for Power, TX, RX |
| Certifications | CE, FCC, RoHS compliant |
| Surge/ESD Protection | Integrated protection on data lines |
| Weight | Approx. 200 g |
| Warranty | Backed by Black Box limited warranty |

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