MCL Samar USB2-118B Serial Adapter USB 2.0 to RS-232 DB9 Male

The MCL Samar USB2-118B is a high-quality serial adapter that converts a USB 2.0 port into a standard RS-232 serial interface. Ideal for connecting legacy serial devices such as modems, printers, barcode scanners, and industrial equipment to modern computers without a built-in COM port. Powered by the reliable Prolific PL2303 chipset, this adapter ensures stable and fast data transfer.

Advantages

Compact and portable design with an integrated 0.15 m cable, making it easy to carry and use on the go. Plug-and-play installation with driver support for Windows, macOS, and Linux. Hardware and software flow control for reliable communication. LED indicators for TX and RX activity provide real-time status.

Suitable for

• Connecting RS-232 serial devices to USB-only computers
• Industrial automation and control systems
• Point-of-sale (POS) systems
• Legacy hardware integration

Key specifications

• USB Standard: USB 2.0 (backward compatible with USB 1.1)
• Serial Standard: RS-232
• Connector 1: USB Type-A Male
• Connector 2: DB9 Male
• Chipset: Prolific PL2303
• Max Data Transfer Rate: 1 Mbps
• Supported Baud Rates: 75 bps to 128 Kbps
• Power Source: USB Bus-powered
• Flow Control: Hardware (RTS/CTS), Software (XON/XOFF)
• Data Bits: 5, 6, 7, 8
• Stop Bits: 1, 1.5, 2
• Parity Bits: Even, Odd, None, Mark, Space
• Hot-Swappable: Yes
• Plug & Play: Yes (driver required)
• Cable Length: Approximately 0.15 m
• LED Indicators: Transmit (TX), Receive (RX)
• Housing Material: Plastic

Recommendations

For optimal performance, download the latest driver from the Prolific website. Compatible with Windows XP/Vista/7/8/10/11, macOS, and Linux.