Serial DB9 RS232/485 9-Pin Female Terminal Adapter – DB9 to 4+5 Position Screw Connector

The Serial DB9 RS232/485 9-Pin Female Terminal Adapter is a practical and compact solution for connecting serial devices using RS232 or RS485 protocols via screw terminals. This adapter converts a standard DB9 female interface to a 4+5 position screw terminal block, making it ideal for custom wiring, signal testing, and equipment debugging in industrial and prototyping environments.

Featuring a high-quality all-copper DB9 socket with anti-oxidation properties, this adapter ensures excellent conductivity and long-term durability. The screw terminal accepts wire sizes from 24 to 12 AWG and provides a 5.08mm pitch spacing for stable and easy wire insertion. Whether you’re setting up communication interfaces or testing serial lines in the field, this adapter provides a fast and flexible solution.

🔧 Key Features

• DB9 Female adapter for RS232/RS485 signals
• 4+5 position terminal layout for clear pin mapping
• Screw terminals support 24–12 AWG wire
• 5.08mm terminal pitch for secure connection
• All-copper socket with anti-oxidation coating
• Ideal for field testing, PLCs, and embedded systems

📐 Technical Specifications

📌 Applications

• RS232/RS485 serial communication setups
• Microcontroller or PLC debugging
• Signal testing during equipment commissioning
• Custom DB9 wiring in field installations
• Industrial automation systems

💡 Why Choose This Product?

The DB9 RS232/485 Female Terminal Adapter provides a versatile and robust interface solution for engineers and hobbyists working with serial communication. Its durable copper contacts and screw terminal layout simplify field wiring and device interfacing without the need for soldering.

📦 Package Includes

• 1 × DB9 Female to 4+5 Screw Terminal Adapter