USB Trigger Module for POS Cash Drawers for PC Windows Mac Linux USB Trigger Module for Cash Drawers these are the new updated trigger modules which work with the new versions of windows, and are extremely high quality not to be confused with the cheaper ones USB Trigger (USB Serial Port Driver), allowing you to connect a cash drawer to USB port on POS terminal or PC directly, without the need for a receipt printer. Includes USB cable. Suitable for cash drawer with 12V or 24V Interface: RJ11 Windows Driver Download USB to UART RS232 Serial Download Driver Setup Program: Driver File Version OS Support Standard Driver Download file 1.19.0 Windows XP/7/8/10 DCHU (for PC Vendors) Download file 1.19.2 Windows 10 RS3/RS4 Only Installer version & Build date: 1.19.0 (2017-10-31) Windows 7/8/8.1/10 (32 & 64-bit) WDF WHQL Driver: v3.8.18.