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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 EYN257T-0015-FF is a shielded null modem cable designed for direct serial communication between two RS-232 devices. This cable is essential for establishing a point-to-point connection where devices need to exchange data directly, bypassing a host computer. It is particularly useful for connecting legacy industrial equipment, diagnostic tools, or specific network devices that rely on serial ports for configuration or data transfer. The shielding provides protection against electromagnetic interference, ensuring data integrity in electrically noisy environments.
This cable is compatible with any two devices requiring a direct RS-232 serial connection using a DB9 female connector on one end and a DB9 male connector on the other. It is suitable for connecting serial devices such as modems, terminals, printers, and certain types of industrial automation equipment that utilize RS-232 communication protocols. It is designed for direct device-to-device communication, acting as a null modem to swap transmit and receive lines.
Ensure that both connected devices are powered off before making or breaking the serial connection. Verify that the pinout of the EYN257T-0015-FF matches the requirements of the connected devices, as this is a null modem configuration (TX/RX swapped). The cable's shielding should be properly grounded at one end if required by the connected equipment for optimal EMI/RFI protection.
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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