StarTech.com ICUSB232DB25 USB to RS-232 Serial Adapter

• Brand: StarTech.com
• Product ID / SKU: ICUSB232DB25
• Product Type: USB to RS-232 Serial Adapter Cable
• USB Interface: USB 2.0
• USB Connector: USB-A male
• Serial Protocol: RS-232
• Serial Port: 1 × DB9 male
• DB25 Support: DB9-to-DB25 serial adapter included
• Maximum Baud Rate: 230.4 Kbps
• FIFO Buffer: 512 bytes
• Data Bits: 4, 5, 6, 7, 8
• Stop Bits: 1, 1.5, 2
• Parity: None, Even, Odd, Mark, Space
• Flow Control: None, XON/XOFF, Hardware
• Chipset: Prolific PL2303GC
• Cable Length: 36 in / 914.4 mm / 3 ft
• Product Length: 36 in / 915 mm
• Product Width: 2.2 in / 55 mm
• Product Height: 0.7 in / 17 mm
• Product Weight: 2.6 oz / 75 g
• Color: Gray
• Material: Plastic
• Operating Temperature: 0°C to 70°C
• Storage Temperature: -40°C to 85°C
• Relative Humidity: 5–85% RH
• WHQL Certified: Yes
• Power: USB-powered
• Compatibility: Supported Windows, macOS and Linux systems; verify current OS/device requirements
• Included: USB-to-RS232 cable, DB9-to-DB25 adapter, driver CD, manual

Why Choose This Product?

• Supports both DB9 and DB25 equipment: The included adapter makes the cable useful across more legacy serial installations.
• No native serial port required: Converts an available USB 2.0 port into an RS-232 connection.
• Useful for IT troubleshooting: Provides a practical connection method for compatible network and infrastructure equipment.
• Longer 3 ft cable: Gives technicians additional working distance compared with short adapter designs.
• 512-byte FIFO: Provides buffering for serial data transmission.
• Flexible serial settings: Supports multiple data-bit, parity, stop-bit and flow-control configurations.
• Portable service tool: Compact 75 g construction makes it convenient for field engineers and IT support teams.
• Established chipset platform: Uses the Prolific PL2303GC chipset for USB-to-RS-232 conversion.