> For the complete documentation index, see [llms.txt](https://docs.yudash.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yudash.com/yudash-iot-devices/lynx-user-manual/terminals-and-wiring.md).

# Terminals and Wiring

## Introduction

## YuDash LYNX Terminals

Top view of LYNX (without terminal cover)

<figure><img src="/files/LStRvLNo1nxmf7ikwbfb" alt=""><figcaption></figcaption></figure>

Terminal view of LYNX (There are 2 rows of 13 terminals on each row)

<figure><img src="/files/xAdxbfoF2gKi73dInxiT" alt=""><figcaption></figcaption></figure>

## LYNX Power Connection

LYNX is powered by 24V External Supply (red and black wire in the image below).

<figure><img src="/files/6gR7DuGRVnfY2vqQLwlD" alt=""><figcaption></figcaption></figure>

&#x20;LYNX after being powered by 24V DC supply

<figure><img src="/files/mlASDZCMxSEY0rmeU6S3" alt=""><figcaption></figcaption></figure>

## LYNX Peripheral Inputs

Besides wire terminals, LYNX has various input connections, as represented below:

<figure><img src="/files/gReTPDDMMqRitGGL1jJm" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
Availability of given interface in LYNX depends on the product variant. Please refer to[ LYNX product variants](/yudash-iot-devices/lynx-user-manual.md#lynxpartnumbers).
{% endhint %}

## Ethernet LAN port

<figure><img src="/files/lefzmH0JAwfl00YdvTC0" alt="" width="563"><figcaption></figcaption></figure>

LYNX RJ45 port connected with Ethernet cable

<figure><img src="/files/2wErNUnaMhV0VRBD7wND" alt="" width="563"><figcaption></figcaption></figure>

## 4G/LTE SIM card Slot

<figure><img src="/files/7r44ROQj7RVpQcz26Jx5" alt="" width="563"><figcaption></figcaption></figure>

## 4G/LTE Antenna Connection

<figure><img src="/files/mtU9AFRbttlQ0FIw1qSQ" alt="" width="563"><figcaption><p>LYNX with Rubberduck antenna. DIN rail mounted.</p></figcaption></figure>

<figure><img src="/files/6vFXwfSlfl2FfrOTyz5S" alt="" width="563"><figcaption><p>LYNX with wired magnetic Antenna. The antenna can be mounted outside the panel</p></figcaption></figure>

## SD card Slot

<figure><img src="/files/KC2blV0qBabuNdvJ3jIS" alt=""><figcaption></figcaption></figure>

## LYNX Terminal Wiring Examples

## Modbus RS485 Wiring

Modbus (A and B) terminals of LYNX are connected to yellow and green wires respectively.&#x20;

12/24V DC +/- power terminals are connected to red and black wires respectively.

<figure><img src="/files/ykXDVm3XP7ar4oagsWqc" alt=""><figcaption></figcaption></figure>