# Connecting USB drive to Voxl2 mini J9 connector.

Source: https://forum.modalai.com/topic/2476/connecting-usb-drive-to-voxl2-mini-j9-connector
Category: VOXL 2 and VOXL 2 Mini (https://forum.modalai.com/category/26/voxl-2-and-voxl-2-mini)
Tags: voxl-2-mini
Posted: 2023-07-24 17:01:56 UTC by Brendon
Replies: 3 · Views: 1153

## Brendon · 2023-07-24 17:01:56 UTC

Good morning. Looking in the documentation I see mention on using the J9 connector as a secondary HOST port. 

My plan is to use one of the UARTs as a tty to access the device using a shell to debug our software and/or to toggle between HOST mode and the default mode.

What I can't find is a tutorial or specific steps I need to take to be able to change the port into HOST mode and back to peripheral mode. In particular:

* Software/configuration changes needed to change to HOST mode?
* Some documentation mentions needing to use special cables, while others do not.

Any examples would be fantastic.

Thanks,
Brendon.

## Reply by Moderator (ModalAI staff) · 2023-07-24 17:18:36 UTC

VOXL 2 Mini USB OTG negotiates automatically. There should not be a special cable required for VOXL 2 Mini

VOXL 1 required a special cable and VOXL 2 OTG does not currently work

## Reply by Brendon · 2023-07-24 18:06:51 UTC (in reply to Moderator)

@Moderator Thank you, that is fantastic news, and makes my life a lot easier.

## Reply by Brendon · 2023-08-02 19:54:06 UTC (in reply to Moderator)

@Moderator Can you take a look at my new post.
I can see that the mount command in syslog. No errors, but the mounted file system doesn't show up.

Thanks,
Brendon.