DoorKing 1818-040 72" Connecting Cable RS-232 for Hook-Up PC System

Ensure dependable serial communication between your access control or intercom hardware and a hook-up PC system with the DoorKing Systems 1818-040 72" Connecting Cable. Designed as an OEM accessory for DoorKing intercom and entry systems, this RS-232 cable delivers a stable, low-latency link for surveillance, monitoring, and security applications. The 72-inch (6 ft) length gives installers room to position control equipment conveniently without compromising signal quality. Built to the RS-232 standard and identified as part number 1818-040, this connecting cable simplifies integration with legacy serial ports and modern control boards alike. By providing a consistent physical connection, the cable reduces troubleshooting time, minimizes system downtime, and helps maintain uninterrupted monitoring and access-control operations. Ideal for installers, security integrators, and facility managers implementing intercoms, access control, or CCTV interface solutions. Add the DoorKing 1818-040 to your kit to streamline installations and keep your security infrastructure communicating—order now or specify it for your next project.

• Reliable serial connectivity for DoorKing intercom and hook-up PC systems, reducing downtime and communication errors
• 72-inch (6 ft) length provides flexible placement and easy routing during installation
• RS-232 standard compatibility for legacy and modern access control, intercom, and monitoring equipment
• OEM DoorKing Systems part 1818-040 ensures seamless integration and predictable performance
• Durable construction helps minimize interference and maintain consistent surveillance and security links
• Simplifies maintenance and troubleshooting with a plug-and-play serial connection