MDB RS232 is Testing with Different Brand of coin acceptors and bill validators 

In order to better ensure the stability and reliability of the product, WAFERSTAR will carry out long-term compatibility tests for almost all bill acceptors and coin validators on the market for the designed MDB-RS232.
In each batch, the compatibility of some products will also be tested randomly. Ensure that customers can connect with their own equipment stably and reliably after purchasing the product.