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# System prepended metadata

title: USB-to-serial Converters/USB Hubs

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# USB-to-serial Converters/USB Hubs

## USB-to-serial Converters (aka. our UPort series)

- 1 Port Solution
- Multiple-port Solution
- Basic

## Key Features
- Mini DB9F-to-TB
![](https://i.imgur.com/4ZwPK2j.png)
- Din-Rail
![](https://i.imgur.com/2nQJMgr.png)
- Wall mount
![](https://i.imgur.com/CBa0YXe.png)
- USB
![](https://i.imgur.com/aff90cy.png)

## Industrial-grade USB Hub (aka. USB 擴充槽)

## Keywords
- EDS Protection
- Opritcal Isolation Protection