# Script installation

To install the script:

1. SSH into your router with WinSCP and Putty as described in [T-Tools for SBC products](https://help.boomerang3.com/tools-for-sbc-products/). The IP address of the router is 192.168.1.1, user is root and password is the same as for the web UI (Rasp4icu).

{% hint style="warning" %}
Please note that WinSCP must use SCP protocol.
{% endhint %}

<figure><img src="/files/EdmZcQr57olPjG4eGJzY" alt=""><figcaption></figcaption></figure>

3. Upload the script to /usr/bin/.
4. Make it executable running the command below in Putty:

```sh
chmod +x /usr/bin/poll_api.sh
```

4. If you edited the file in Windows then clean the file running the command below in Putty:

```sh
sed -i 's/\r$//' /usr/bin/poll_api.sh
```

5. Continue to [Additional settings](/b3-sms-device-installation-manual/installation-procedures/router-setup/additional-settings.md).


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