Welcome to our store！</br>1、Strong Practicability: Vending machine RS232 MDB interface module allows PC to be used as MDB coin validator payment equipment vending machine. 2、Durable Practical: PC to MDB adapter Box is an adapter for the existing vending machine, allowing the PC to work as a payment device for the vending machine. 3、Easy to Use: RS232 MDB interface module connects any MDB vending equipment to the PC via the serial port, easy to use. 4、Small Portable: PC interface to MDB adapter box is compact, small and portable, and does not occupy too much space. 5、Convenient Use: Vending machine adapter allows an individual computer to act as a cashless device and add points to the vending machine. <p class="wang-edit-text"><p class="wang-edit-text">Item Type: Vending Machine Interface Module Material: ABS Model: RS232 MDB Purpose:For Connecting Vending Machine and PC&nbsp;&nbsp;&nbsp;&nbsp; Through RS232 MDB Interface Module <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x&nbsp;Vending Machine Interface Module1 x User Manual Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>