Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
The Black Box IC820A is a compact interface converter designed to translate asynchronous RS-232 serial communications into RS-422 or RS-485 signals. This device is critical for extending the reach of serial devices beyond the typical 50-foot limitation of RS-232, enabling integration of equipment like industrial controllers, barcode scanners, or older surveillance devices into modern networks over longer distances. Its robust design supports full-duplex RS-422 or half-duplex RS-485 modes, making it versatile for various industrial automation and security system deployments where serial communication is still a requirement. The IC820A model ensures reliable data transfer between disparate serial protocols.
This converter is compatible with any system or device utilizing standard asynchronous RS-232 serial ports. It directly interfaces with RS-422 and RS-485 devices, including many industrial PLCs, SCADA systems, point-of-sale terminals, and legacy security cameras or DVRs that rely on serial control or data transmission. It functions as a protocol translator, not a network device, so it does not require specific software drivers for the host system beyond standard serial port drivers.
The IC820A requires a standard RS-232 serial port connection on the host device. The output is configurable for RS-422 (full-duplex) or RS-485 (half-duplex, 2-wire or 4-wire) via internal DIP switches. Power is supplied via an external 5VDC adapter (sold separately), which is necessary for operation. Ensure proper termination is applied to the RS-485 bus if used in that configuration to prevent signal reflections and data errors, especially over longer cable runs.
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
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Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.
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