# B3

For B3 the webpage to open is:

http\://<*URL\_MAC\_BASE>*/api/RelayBox/?id=*\<Relay Box MAC>*

where:

<*URL\_MAC\_BASE>* is B3 system URL or IP address

*\<Relay\_Box\_MAC>* is Relay Box MAC address presented with 12 digits only as shown in the example below.

## Example

{% embed url="<https://boomerangtest.com/api/RelayBox/?id=0281CBE4F852>" %}

If the settings in the system are correct, the following page shall open:

<figure><img src="/files/dyhl8zf5FhvEVR1ka3jN" alt=""><figcaption></figcaption></figure>

There is an active alarm on CH1 represented by '1' and no alarms on CH2 and CH3 where there are '0's.


---

# 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://help.boomerang3.com/cg1018-relay-box-installation-manual/troubleshooting/check-of-system-settings-for-cg1018/b3.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.