How to Quick Start to use WAFER MDB USD interface adapter
http://www.waferstar.com
Service skype: wafer-service
Now we start the MDB adapter Test:
1. Know your Vending machine
a) Vending machine must support the MDB USD interface
b) User must be familiar with RS232 and know how to use the com port tools to send
command data
c) Must be familiar with the MDB protocol for USD before test
2. Connect the Adapter box to VMC and PC
Simply plug the USD-MDB to VMC (Vending machine controller) and the PC RS232 port.
3. Open the COM port tool (SerialTool.exe)
Firstly check in the PC device manager or make clear which is the right com port that can
be used. And then Select the right Com port in the SerialTool and select the “Hex Send”
as the following picture
4. Power on the VMC (USD-MDB adapter box will be powered on at the same time through
the MDB bus)
