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 EYN257T-0006-FF is a 6-foot shielded null modem cable designed to facilitate direct serial communication between two DTE (Data Terminal Equipment) devices, such as connecting a computer to a console port on a network switch or configuring industrial automation equipment. Its shielded construction minimizes electromagnetic interference (EMI), ensuring data integrity in electrically noisy environments common in IT closets and factory floors. This cable is essential for initial device setup, diagnostics, and direct data transfer where network connectivity is not yet established or feasible.
This cable utilizes standard DB9 (9-pin) connectors and is wired as a null modem, meaning pins are crossed to simulate a modem connection between two DTE devices. It is compatible with any system requiring an RS-232 serial connection with null modem wiring, including but not limited to: network switches, routers, industrial controllers, serial printers, and legacy diagnostic equipment. It is designed to interface with standard RS-232 ports found on most server, workstation, and industrial PC motherboards.
Ensure both connected devices are powered off before connecting or disconnecting the cable to prevent potential data corruption or hardware damage. The cable's 6-foot length provides moderate reach for connecting nearby equipment. The DB9 connectors feature thumbscrews for a secure physical connection, preventing accidental disconnections.
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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