Overview
The DB9 Male RS232 Connector is an industry-standard 9-pin D-Subminiature plug designed for solder termination. This connector allows engineering students, technicians, and hobbyists to create custom length RS232 serial cables, null modem cables, or data transfer interfaces. It is widely used in industrial automation for connecting computers to PLCs, CNC machines, barcode scanners, and weighing scales, as well as debugging embedded development boards.
Key Features
Industrial Standard Design: True RS232 / RS485 compliant 9-pin D-Sub form factor.
Durable Solder Cups: High-quality solder buckets make wire attachment clean, secure, and highly conductive.
Corrosion Resistant: Gold-plated or nickel-plated pins ensure minimal signal loss and maximum lifespan in industrial environments.
Panel Mount Capable: Features built-in side holes for standard thumb screws or hex standoffs, allowing secure mounting to custom project boxes or chassis.
Technical Specifications
| Feature | Specification |
| Connector Type | D-Subminiature DB9 (9 Pins) |
| Gender | Male (Plug with Pins) |
| Termination Style | Solder Bucket / Cup |
| Current Rating | 1A to 3A |
| Dielectric Voltage | 500V AC for 1 minute |
| Insulation Resistance | 1000 MΩ Min at 500V DC |
| Operating Temperature | -55°C to +105°C |
Standard RS232 Pinout Guide (For Reference)
Pin 1: DCD (Data Carrier Detect)
Pin 2: RXD (Receive Data)
Pin 3: TXD (Transmit Data)
Pin 4: DTR (Data Terminal Ready)
Pin 5: GND (Signal Ground)
Pin 6: DSR (Data Set Ready)
Pin 7: RTS (Request To Send)
Pin 8: CTS (Clear To Send)
Pin 9: RI (Ring Indicator)


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