Welcome to our store! Cashless Payment: The MDB interface module allows a PC to be used as a subordinate cashless payment device for an existing vending machine. Vending Machine Usage: The PC to MDB adapter box is used for existing vending machines, enabling the PC to function as a payment device. Simple Connection: The MDB RS232V5 adapter box can connect any MDB vending device to a PC via a serial port, making it easy to use. Convenient Operation: The vending machine adapter allows you to send a simple list of commands and then connect to the machine to add credits. Portable Size: The PC interface to MDB adapter box is compact, small in size, and lightweight, making it portable and space-saving. Item Type: Vending Machine MDB Adapter Box Material: ABS Model: MDB-RS232V5 Purpose: Connect vending machine and PC via MDB Adapter Box 1 x MDB Adapter Box 1 x USB Cable 1 x RS232 USB Adapter 1 x Cable 4 x Screw Kit 1 x Instruction