Philmore Female DB9 Serial Coupler
The Philmore Female DB9 Serial Coupler provides a simple and reliable solution for connecting two DB9 serial cables together. Designed with DB9 female connectors on both sides, this adapter allows technicians to extend existing RS-232 serial cable runs without replacing cables or rewiring equipment.
This coupler is commonly used in computer networking, industrial equipment, legacy serial communication systems, and automation hardware. By joining two DB9 male serial cables, the coupler creates a continuous connection for devices that communicate using RS-232, RS-422, or RS-485 serial interfaces.
Constructed with a durable housing and precision connectors, the coupler helps maintain reliable signal transmission while protecting connections from wear. Its compact design makes it easy to install in tight spaces such as equipment racks, control panels, and workstation setups.
Ideal for technicians, installers, and IT professionals, the Philmore DB9 serial coupler is perfect for extending serial cables, joining RS-232 connections, or adapting serial communication equipment.
Key Features:
- DB9 female-to-female serial coupler
- Connects two DB9 male serial cables
- Supports RS-232, RS-422, and RS-485 serial communication
- Compact design for easy installation and cable extension
- Durable construction for reliable data transmission
- Ideal for industrial equipment, legacy computers, networking hardware, and control systems
The Philmore Female DB9 Serial Coupler provides a quick and dependable solution for extending and connecting DB9 serial communication cables.






