Philmore Male DB9 Serial Coupler
The Philmore Male DB9 Serial Coupler is designed to quickly and securely connect two DB9 female serial cables, creating a continuous RS-232 serial connection without replacing or re-terminating existing cables. Featuring DB9 male connectors on both sides, this compact adapter provides a simple solution for extending serial cable runs or adapting legacy communication equipment.
DB9 connectors are widely used for RS-232 serial communication, commonly found in industrial equipment, POS systems, networking hardware, and older computer interfaces. The coupler allows technicians to connect compatible cables together while maintaining reliable signal transmission for data communication applications.
Constructed with durable connectors and a compact design, the adapter fits easily into tight spaces behind equipment racks, control panels, or workstation setups. Its straightforward plug-and-play installation makes it ideal for technicians and IT professionals working with legacy serial devices or industrial automation systems.
Perfect for extending or adapting serial connections, the Philmore DB9 male coupler is a reliable tool for maintaining compatibility with equipment that still relies on DB9 serial interfaces.
Key Features:
- DB9 male-to-male serial coupler
- Connects two DB9 female serial cables
- Supports RS-232 serial communication
- Compact design for easy installation and cable extension
- Durable construction for reliable data transmission
- Ideal for industrial equipment, legacy computers, POS systems, and networking hardware
The Philmore Male DB9 Serial Coupler provides a simple and dependable solution for extending or adapting DB9 serial cable connections.






