This USB 2.0 Type-A to serial adapter by Delock offers an RS-232 connection for measuring devices, POS systems, printers, modems, IoT devices etc.
User-friendly RS-232 connector
The RS-232 connector is characterised by its small dimensions (39.0 x 33.0 x 14.7 mm) and thus offers convenient handling at device connections, cable glands, patch panels, etc.

Specification
– Connectors:
1 x USB 2.0 Type-A plug
1 x serial RS-232 DB9 socket with nuts
– Chipset: FTDI FT232R
– Data transfer rate up to 921.6 Kbps
– Signals: TxD, RxD, RTS, CTS, DTR, DSR, DCD, RI, GND
– Parity bit: even, odd, none, marked, empty
– Stop bits: 1, 2
– Data bits: 7, 8
– Flow control: none, Xon / Xoff, RTS / CTS
– FIFO: 128 bytes – RX
– FIFO: 256 bytes – TX
– Cable length included. Connections: approx. 50 cm
System requirements
– Chrome OS
– Linux Kernel 5.15 or higher
– Mac OS 12.4 or higher
– Windows 10/10-64/11
– PC or notebook with a free USB Type-A port
Package contents
– USB 2.0 to 1 x serial adapter
– Driver CD
– Operating instructions