DB9 Solderless Serial-to-9-Pin Terminal Thin Female Adapter

📌 Product description

The DB9 Solderless Serial to 9pin Terminal Thinner Female Adapter is a compact DB9 female breakout adapter designed to connect individual wires to a 9-pin D-Sub connector without soldering. Each DB9 contact is routed to an individual screw terminal, allowing the user to create a custom cable pinout quickly and conveniently.

The adapter is suitable for custom serial cables, equipment testing, prototyping, maintenance, industrial automation and communication-system installations. Since no soldering iron is required, the wiring can be assembled, inspected, changed or repaired directly on site.

Its slim housing is only 16 mm thick, approximately 4 mm thinner than a conventional solderless DB9 connector. This makes the adapter especially useful in control cabinets, compact equipment enclosures and installations where the space around the DB9 port is limited.

⚠️ This is a passive pin-breakout adapter. It does not convert voltage levels or convert between RS232, RS422 and RS485 communication standards.

✨ Main features

• Female DB9 9-pin D-Sub connector.
• Individual screw terminal for every DB9 contact.
• No soldering required.
• Supports custom cable pinout configurations.
• Clearly marked terminal positions help reduce wiring errors.
• Slim 16 mm housing for installations with limited space.
• Copper contacts provide a reliable electrical connection.
• Folding snap-on enclosure for convenient assembly.
• Cable clamping plate provides strain relief.
• Interchangeable cable sleeves accommodate different cable diameters.
• Long fixing screws provide a secure connection to the equipment port.
• Suitable for temporary testing as well as permanent cable assemblies.

🔧 Technical specifications

Parameter	Specification
Product type	Solderless DB9 breakout adapter
Connector standard	D-Sub DB9
Connector gender	Female
Number of contacts	9
Wire connection	Screw terminals
Soldering required	No
Contact material	Copper
Connector construction	Copper-plated contact assembly
Housing material	PP engineering plastic
Housing type	Folding snap-on enclosure
Overall dimensions	Approx. 49 × 34 × 16 mm
Housing thickness	16 mm
Cable-entry opening	Approx. 10.5 mm
Colour	Black
Built-in electronics	None
Signal conversion	None

🛠️ Installation

1. Open the snap-on adapter housing.
2. Feed the cable through a suitable cable sleeve.
3. Strip approximately 3–5 mm of insulation from each conductor.
4. Insert the conductors into the numbered screw terminals according to the required pinout.
5. Tighten the terminal screws with a suitable screwdriver.
6. Verify the DB9 pin numbering and test the continuity of every connection.
7. Secure the cable using the supplied clamping plate.
8. Close the housing and connect the adapter to the DB9 port.

🖥️ Typical applications

The adapter can be used for:

• custom RS232 serial cables;
• DB9 breakout connections for compatible RS422 or RS485 equipment;
• PLC programming and communication connections;
• industrial automation systems;
• computers and legacy peripheral equipment;
• modems;
• barcode scanners;
• fiscal and point-of-sale equipment;
• access-control and monitoring systems;
• CNC equipment;
• laboratory test setups;
• equipment diagnostics and maintenance;
• prototype development;
• custom pin-to-pin adapters and extension cables.

📦 Package contents

Depending on the selected package, the set may include:

• DB9 female solderless adapter;
• black protective housing;
• cable clamping plate;
• enclosure screws;
• long DB9 fixing screws;
• flexible cable sleeves in several sizes.

ℹ️ Important information

DB9 pin assignments are not identical for all devices. Always check the pinout diagram in the documentation of the equipment before connecting the wires.

The adapter does not determine the communication protocol and does not contain an electronic signal converter. RS232, RS422 and RS485 use different electrical signalling methods, so equipment using different standards may require an appropriate active converter.