This USB to RS232 serial converter cable provides a convenient connection between a computer's USB port and RS232 serial devices with a DB9 male interface.
Featuring a Prolific PL2303GT USB-to-Serial chipset, this adapter supports serial communication for industrial equipment, networking devices, control systems, and other RS232-compatible applications.
Two wiring configurations are available: Standard Straight-Through and Null Modem (Crossover), allowing compatibility with different serial communication requirements.
USB to RS232 Conversion: Connects USB-equipped computers to RS232 serial devices.
DB9 Female Connector: Compatible with equipment featuring a DB9 male serial port.
Two Wiring Options: Available in Standard Straight-Through and Null Modem configurations.
PL2303GT Chipset: Provides USB-to-serial communication.
Wide Applications: Suitable for industrial equipment, routers, modems, PLCs, and serial communication devices.
| Item | Specification |
|---|---|
| Product Type | USB to RS232 Serial Converter |
| Computer Interface | USB |
| Serial Connector | DB9 Female |
| Chipset | Prolific PL2303GT |
| Signal Standard | RS232 |
| Wiring Options | Standard / Null Modem |
| Application | Serial Communication |
1. Standard Straight-Through
Corresponding pins are connected directly:
| DB9 Pin | Connection |
|---|---|
| 2 | Pin 2 |
| 3 | Pin 3 |
| 5 | Pin 5 |
| 7 | Pin 7 |
| 8 | Pin 8 |
2. Null Modem (Crossover)
Typical crossover connections:
| DB9 Pin | Connection |
|---|---|
| 2 | Pin 3 |
| 3 | Pin 2 |
| 5 | Pin 5 |
| 7 | Pin 8 |
| 8 | Pin 7 |
Industrial automation and control systems
PLC serial communication
Router and networking equipment configuration
RS232 instruments and measurement devices
Serial data communication and device maintenance
Note: Please select the correct wiring configuration according to your equipment's serial port requirements. Standard and Null Modem wiring are not interchangeable in every application.
