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 MD940A-F is a serial data extender designed to overcome the limitations of standard RS-232 cabling. It allows you to reliably transmit serial data over distances significantly exceeding the typical 50-foot limit, making it critical for industrial automation, legacy equipment integration, and scenarios where devices are physically separated from control systems. This unit enables longer cable runs without signal degradation, ensuring data integrity for critical communication links.
This extender is designed for use with any standard RS-232 serial interface. It functions as a transparent bridge, meaning it is compatible with a wide range of devices that utilize serial communication, including PLCs, industrial machinery, laboratory equipment, point-of-sale systems, and older network devices. It does not require specific software drivers and operates at the physical layer, ensuring broad compatibility across various operating systems and applications that support RS-232 communication.
Installation involves connecting the RS-232 serial port of your host device to one side of the MD940A-F using a standard DB9 serial cable, and connecting the serial device to the other side. The extender itself requires no external power supply, drawing minimal power from the RS-232 interface itself. Ensure that the total cable length between the host device and the remote serial device, including the extender's internal transmission capability, does not exceed specified limits for reliable operation. The unit's black, compact form factor allows for discreet installation.
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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