---
product_id: 245881719
title: "125 MDB Payment Device to PC Converter, RS232 Adapter Bill Acceptor Computer Serial Port Transfer Box Comes with Cables, for Connecting MDB Receivers"
brand: "125"
price: "HK$863"
currency: HKD
in_stock: true
reviews_count: 1
url: https://www.desertcart.hk/products/245881719-125-mdb-payment-device-to-pc-converter-rs232-adapter-bill
store_origin: HK
region: Hong Kong
---

# 50ms max response time RS232 & USB multi-interface support Connects up to 8 MDB devices 125 MDB Payment Device to PC Converter, RS232 Adapter Bill Acceptor Computer Serial Port Transfer Box Comes with Cables, for Connecting MDB Receivers

**Brand:** 125
**Price:** HK$863
**Availability:** ✅ In Stock

## Summary

> 🔗 Power your payment ecosystem with seamless MDB-to-PC conversion!

## Quick Answers

- **What is this?** 125 MDB Payment Device to PC Converter, RS232 Adapter Bill Acceptor Computer Serial Port Transfer Box Comes with Cables, for Connecting MDB Receivers by 125
- **How much does it cost?** HK$863 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/245881719-125-mdb-payment-device-to-pc-converter-rs232-adapter-bill)

## Best For

- 125 enthusiasts

## Why This Product

- Trusted 125 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid Response Performance:** Experience lightning-fast 50ms max response time to keep your transactions smooth and efficient.
- • **Robust Control Integration:** Transforms MDB protocols into RS232 serial communication, empowering your PC or control system to manage all payment peripherals.
- • **Universal Interface Compatibility:** Works flawlessly with RS232 ports or USB via virtual COM port creation—flexibility at its finest.
- • **Plug & Play with All MDB Equipment:** Fully compliant with MDB specs, ensuring broad compatibility with any vending or payment system.
- • **Seamless Multi-Device Connectivity:** Link up to 8 MDB-compatible payment devices effortlessly for ultimate control.

## Overview

The 125 MDB Payment Device to PC Converter is a versatile RS232 adapter designed to connect and control up to eight MDB-compatible payment devices—including bill acceptors, card readers, and changers—via PC or motherboard interfaces. Supporting both RS232 and USB ports (with an optional USB-to-RS232 transfer case), it ensures broad compatibility with all MDB-compliant vending and payment equipment. With a rapid 50ms response time and plug-and-play setup, this converter streamlines payment device integration for professional retail and industrial environments.

## Description

Feature:  1. This converter is used for connecting MDB receivers, bill receivers and card readers. 2. You can not only just use the RS232 port of the computer but you can also use for motherboard or any other motherboard with RS232 or USB port. 3. If you only have a USB port, you can use the additional USB to RS232 transfer case to create a virtual COM port on your PC or board. 4. Supports MDB, receiver, bill receiver, cash interface (10H and 60H) and USD interface (40H). 5. Allows the PC to control the acceptor, the change dispenser, the smart card reader, the magnetic card, the credit card reader, the bill acceptor and the bill verification. 6. Complies with all MDB specifications and is compatible with any vending equipment that complies with MDB. The hardware interface comes with cables, user and user agreement. 7. A single MDB to RS232 converter can connect up to eight (8) MDB compatible devices. 8. The interface adapter is designed to convert the MDB protocol of the vending machine to the RS232 serial protocol. 9. The adapter is used as a slave of the main control system. The main device can be any control system that supports RS232 serial communication, such as a PC.   Specification:    Conditon: Brand New Item Type: MDB to RS232 Converter Material: ABS Plastic Color: As Pictures Shown  Start Bit: 1 Data Bits: 8 Stop Bit: 1 Between Bytes: 1 Ms Response (Maximum): 50 Ms Master Polling Time: 150-300 Milliseconds IU Waits for the Main Polling Time Before Rejecting BA and cha

## Features

- 【MDB Payment Device to PC Converter】This converter is used for connecting MDB receivers, bill receivers and card readers, You can not only just use the RS232 port of the computer but you can also use for motherboard or any other motherboard with RS232 or USB port.
- 【Multi-Interface】If you only have a USB port, you can use the additional USB to RS232 transfer case to create a virtual COM port on your PC or board, Supports MDB, receiver, bill receiver, cash interface (10H and 60H) and USD interface (40H).
- 【Widely Compatible】Allows the PC to control the acceptor, the change dispenser, the smart card reader, the magnetic card, the credit card reader, the bill acceptor and the bill verification, Complies with all MDB specifications and is compatible with any vending equipment that complies with MDB. The hardware interface comes with cables, user and user agreement.
- 【Connect Multiple Devices】A single MDB to RS232 converter can connect up to eight (8) MDB compatible devices, The interface adapter is designed to convert the MDB protocol of the vending machine to the RS232 serial protocol.
- 【Instructions】The adapter is used as a slave of the main control system. The main device can be any control system that supports RS232 serial communication, such as a PC, This adapter is designed to convert MDB bill acceptor (BA) and MDB changer protocols to RS232 serial protocol. IU is used as a slave of the master control system.

## Product Details

- **Compatible Devices:** pc
- **Specific Uses For Product:** PC
- **Connector Type:** Serial Adapter
- **Color:** Black
- **Brand:** 125

## Images

![125 MDB Payment Device to PC Converter, RS232 Adapter Bill Acceptor Computer Serial Port Transfer Box Comes with Cables, for Connecting MDB Receivers - Image 1](https://m.media-amazon.com/images/I/518O+20I+jL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Funciona muy bien
*by J***8 on October 29, 2022*

El equipo funciona bien he logrado conectar equipos de lectura de billetes y monedas, no he utilizado todavía cashless, el cable de mdb es de aproximadamente 60cm y del lado de rs232 es de 40cm.

## Frequently Bought Together

- 125 MDB Payment Device to PC Converter, RS232 Adapter Bill Acceptor Computer Serial Port Transfer Box Comes with Cables, for Connecting MDB Receivers
- SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P)

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**Shop now:** [https://www.desertcart.hk/products/245881719-125-mdb-payment-device-to-pc-converter-rs232-adapter-bill](https://www.desertcart.hk/products/245881719-125-mdb-payment-device-to-pc-converter-rs232-adapter-bill)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-24*