# Getting Started with the Pneumatic Hub

Welcome to your new Pneumatic Hub from REV Robotics! This documentation is intended to answer any questions related to the Pneumatic Hub (PH) used in the *FIRST* Robotics Competition. If there is a question that is not answered by this space, send our support team an email at **<support@revrobotics.com>**. We are happy to help point you in the right direction!

* **Have a specific question?** Feel free to head straight to it using the navigation bar to the left. Each section is grouped with other similar topics.&#x20;
* **Have trouble finding what you are looking for?** Try the search bar in the upper right!

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We recommend reading through this guide in its entirety at least once to fully understand all of the features of your Pneumatic Hub.&#x20;
{% endhint %}

## Before You Start

Install the [REV Hardware Client ](https://docs.revrobotics.com/rev-hardware-client/getting-started/installation-instructions)before continuing with this guide. The REV Hardware Client is the best way to verify that the Pneumatic Hub is configured correctly and is ***required*** for using the CAN Interface.&#x20;

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Ensure voltage is set for solenoids before applying power, using a mix of 12V and 24V is not supported
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<figure><img src="/files/3DpFlGPIcBm9OXZl2GhL" alt=""><figcaption></figcaption></figure>

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RS485 Ports are not currently used in FRC and are included for potential future use
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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.revrobotics.com/ion-control/ph/gs.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.