---
description: >-
  In D2D mode, the TX IO communicates with LoRa Enless sensors (4 maximum) and
  controls its outputs according to the alarm thresholds configured on the
  sensors
---

# D2D mode

***

## &#x20;**TX IO power supply**&#x20;

* Open the TX IO case by unscrewing the 4 cover screws.
* Externally power your TX IO (between 7.5 and 24VDC). If you use our 12V power supply, connect your power supply to the POWER terminal of the receiver.&#x20;

&#x20;       •<mark style="color:red;">**Red wire**</mark> connected to the V+ terminal block&#x20;

&#x20;       •**Black wire** connected to the 0V terminal block

## Access to the TX IO configuration server&#x20;

[The procedure](../../installation/access-to-the-server) for accessing the TX IO configuration server is identical to that of the receiver. The default address for accessing the TX IO server is 192.168.77.77 (please avoid use on Microsoft Edge and favor use on Google Chrome).

## **Selecting local control mode**&#x20;

Select the D2D operating mode from the **CONFIG TX IO** tab . Once selected, restart your TX IO so that the mode change is taken into account using the Reboot button from the TX IO server Admin tab

## Declaration and configuration of sensor alarm thresholds&#x20;

In the CONFIG D2D tab, you must declare the sensors you want to pair to the TX IO. [The procedure](../../installation/sensor-configuration) is the same as when you declare sensors on a receiver

{% hint style="info" %}
Configuring alarm thresholds is done from the advanced options
{% endhint %}

## **Relay configuration**&#x20;

In the CONFIG TX IO tab, the relays can be associated with the alarm thresholds of the sensors that we have just configured.

To do this, for each relay select:

• The LoRa ID of the configured sensor

• The relay mode: normally closed or normally open

_**Normally closed**_ : corresponds to a closed rest state. When the status is 0, the relay is closed. When the status is 1, the relay is open.

_**Normally open**_ : corresponds to an open rest state. When the status is 0, the relay is open. When the status is 1, the relay is closed.

• The type of alarm to trigger a relay.

{% embed url="https://app.arcade.software/share/cNdQS5OpPeNTpzyEgBw3" %}

## **Activation of sensors**

The activation of the sensors is done in the same [way](../../installation/sensor-activation) when pairing the sensors to the receiver.

{% embed url="https://app.arcade.software/share/Vtil7WvA68UU9zX6mu31" %}

## Validation of reception of sensor information&#x20;

In the STATUS tab , in the Transmitter Network section, the frames from the sensors that you have just activated must be sent at the periodicity that has been configured. This tab allows you to validate the correct reception of sensor frames. We recommend using this page as an on-site audit tool, to validate that [RSSI](../../../installation/data-reception#rssi-analysis) levels for receiving probes are good.

{% embed url="https://app.arcade.software/share/XFhqOWvWOua0YPE6fPxA" %}

{% hint style="danger" %}
Click Save to save your configuration.
{% endhint %}

## Viewing output status

In the **STATUS** tab in the Outputs section you can see the relay status display ON or OFF and the number of times the status has been switched from the TX IO power supply. You can test the relay status by clicking the Toggle Relay button. The relay activates for one second.

{% embed url="https://app.arcade.software/share/DyuyEa9Y8V85JC6cLWXU" %}

{% hint style="info" %}
The TX IO relays are contact type, electronic mosfet relays without polarity. The maximum voltage between the two relay terminals is 48 VDC and the maximum current is 500 mA.
{% endhint %}

