Description
YL-SMM-9M Male to Screw Terminal RS232 / RS485 Converter Module with Protective Shell
The DB9 Male Screw Terminal to RS232/RS485 Conversion Board is a practical and reliable interface module designed to simplify serial communication connections. This adapter converts a standard DB9 male connector into a 9-position screw terminal block, making wiring, testing, and debugging fast and convenient.
Ideal for industrial automation, embedded systems, PLC communication, and project commissioning, this module comes with a protective shell and mounting nuts for secure installation and long-term durability.
Perfect for engineers, technicians, and DIY electronics enthusiasts working with RS232 and RS485 serial communication systems.
Key Features
• DB9 Male 9-pin serial interface
• 9-position screw terminal block for easy wiring
• Supports RS232 and RS485 serial communication
• Protective shell included
• Mounting nut/screw for secure installation
• No soldering required
• Convenient for project commissioning and debugging
• Durable and compact design
• Suitable for industrial and laboratory use
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | DB9 Male Screw Terminal Board |
| Connector Type | DB9 Male (9-pin) |
| Terminal Type | 9-Position Screw Terminal Block |
| Supported Protocols | RS232 / RS485 |
| Mounting | Panel Mount with Nut |
| Housing | Protective Shell Included |
| Installation | No Soldering Required |
| Application | Serial Communication Interface |
Applications
• PLC communication systems
• Industrial automation equipment
• Serial debugging and testing
• Embedded systems projects
• CNC and control systems
• Data acquisition systems
• RS232 / RS485 device commissioning
• Educational and lab use
Precautions
• Ensure correct pin mapping before wiring
• Do not exceed RS232/RS485 voltage specifications
• Tighten terminal screws securely to avoid loose connections
• Use proper grounding to prevent communication errors
• Avoid short circuits during installation
• Install in dry and non-humid environments