Bus protocol
MDB
Converters and gateways
QRport MDB
MDB fiscalization gateway and MDB ↔ RS-232 converter
- MDB bus
- Cash + cashless
- MDB ↔ RS-232
Sits on the MDB bus of an existing machine and fiscalizes every device on it — bill validators, coin changers and contactless readers — for both cash and cashless payments. The same board works as an MDB ↔ RS-232 converter, so a machine with an MDB bus can talk to equipment that only speaks serial.
Price on request
Price per unit, VAT excluded. Batch pricing on request.
Pinouts, wiring diagrams and firmware notes are issued per board revision and sent on request.
01
Specifications
Functions
Fiscalization gateway + MDB ↔ RS-232 converter
Fiscalizes devices
Bill validators · coin changers · contactless readers
Payment types
Cash and cashless
Fiscalization
Cloud fiscal receipt services
Typical applications
Coffee machines · coffee vending · any MDB vending
02
Typical applications
- Coffee machines and MDB vending that must issue fiscal receipts
- Adding cashless payment to a machine whose VMC already speaks MDB
- Bridging an MDB machine to serial-only peripherals or a host system
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