The Delock DB9 serial cable is a nullmodem connection cable for linking two RS-232 devices with DB9 female ports. It enables direct serial communication between computers, industrial equipment, and peripherals without the need for a modem.
Nullmodem wiring with full handshaking support for reliable serial data transfer
DB9 female-female connectors on both ends for standard RS-232 device compatibility
0.5 m compact length keeps cable runs short and reduces signal interference
Black PVC jacket with strain relief for durable everyday use
Das zeichnet das Delock DB9 Kabel aus
Unlike standard serial cables, this nullmodem variant crosses the transmit and receive lines internally, allowing two DTE devices to communicate directly. The full handshaking configuration supports hardware flow control (RTS/CTS) for stable data transmission at higher baud rates.
Ideal for...
Connecting two RS-232 devices in industrial setups, laboratory equipment, or legacy computer systems where a direct serial link is needed. Suitable for technicians and engineers working with serial peripherals that require nullmodem crossover wiring.
Anwendung von Delock DB9 Kabel
Connect one end to the DB9 port of the first RS-232 device
Connect the other end to the DB9 port of the second RS-232 device
Ensure both devices are configured for the same baud rate and serial parameters
Delock is a German manufacturer specializing in connectivity and mounting solutions for IT and industrial applications. The brand offers a broad range of cables, adapters, and accessories, with a strong focus on serial and network connectivity products. Delock products are widely distributed across European markets and are known for consistent quality in professional environments.
A nullmodem cable connects two RS-232 DTE devices directly by crossing the transmit and receive lines, eliminating the need for a modem or intermediate device.
Any device with a DB9 female RS-232 port, including industrial controllers, legacy computers, serial printers, and laboratory equipment.
DB9 female-female connectors on both ends, RS-232 serial interface, 0.5 m cable length, black PVC jacket, full handshaking with hardware flow control support.
Delock provides a 24-month manufacturer warranty on this product for defects in materials and workmanship.
The cable uses nullmodem wiring with crossed TX and RX lines and full handshaking (RTS/CTS) for reliable serial communication between two DTE devices.
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