> For the complete documentation index, see [llms.txt](https://help.smvend.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.smvend.io/equipment-installation/coffee-machines/rheavendors/xx-oc.md).

# XX-OC

To connect your Rheavendors XX-OC coffee machine to the SmVend Smart controller, please follow these steps:

1. **Disconnect the Screen cable**

   Disconnect the Screen cable from the coffee machine.

<figure><img src="/files/Ks0yxtoRPhNfbCr9dAqD" alt="" width="563"><figcaption></figcaption></figure>

2. **Connect the IDC-20**\
   Place an additional IDC-20 connector on the screen cable with the key facing up.

<figure><img src="/files/m0ZtsgNuuWNHf1LJGY0t" alt="" width="563"><figcaption></figcaption></figure>

3. **Reconnect the Screen cable**\
   Connect the screen cable back to the coffee machine.

<figure><img src="/files/JF7v7fPEUxsIYn7Z6q1n" alt="" width="563"><figcaption></figcaption></figure>

4. **Connect the Display decoder board**\
   Connect the display decoder board to the additional IDC-20 connector.

<figure><img src="/files/6Y1r9zD60ax4qEQbMBgd" alt="" width="563"><figcaption></figcaption></figure>

5. **Connect the Converter**\
   Connect the converter to the 24V power supply (MDB).

<figure><img src="/files/bEn6lMMLxdmnR3xLGYtC" alt="" width="563"><figcaption></figcaption></figure>

<figure><img src="/files/a9myaLugbaMeKXRAgoDW" alt="" width="563"><figcaption></figcaption></figure>

6. **Connect the SmVend controller**\
   Connect the SmVend controller to the display decoder board.

<figure><img src="/files/E2CzH4aIzcYvsaGGcIvJ" alt="" width="563"><figcaption></figcaption></figure>