---
title: "Connecting XLC4 control unit"
slug: "connecting-xlc4-control-unit"
updated: 2024-07-03T10:58:05Z
published: 2024-07-04T11:12:24Z
canonical: "docs-linescan.alliedvision.com/connecting-xlc4-control-unit"
stale: true
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs-linescan.alliedvision.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Connecting the XLC4 control unit

## RS232, USB, RS485 first connection

1. In the specific dropdown menu of the active tab click **Interface**.
2. Click **RS232/USB/RS485**.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(45).png)

A configuration window opens.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(48).png)

1. In the dropdown menu *Serial Port* select the port. Only available ports are listed. If a port is already in use, it is not listed.

If you use an USB port refer to the Windows device manager and check the number of the virtual COM port.

1. For the first setup click **OK**, even if the settings appear to be correct.
2. In the specific dropdown menu of the active tab click **Interface**.
3. Click **Connect**.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(52).png)

**OR**

1. Click the toolbox element

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(46).png)

## Ethernet first connection

1. In the specific dropdown menu of the active tab click **Interface**.
2. Click **TCP/IP**.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(47).png)

A configuration window opens.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(50).png)

1. In the specific dropdown menu of the active tab click **Configure**. XLC4 Commander scans the network for connected XLC4 control units and lists them in the dropdown menu of the configuration window.
2. Select the detected XLC4 control unit.
3. Click **OK**.
4. In the specific dropdown menu of the active tab click **Interface**.
5. Click **Connect**.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(51).png)

**OR**

1. Click the toolbox element

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(46).png)

> [!NOTE]
> NOTE - support of automatic detection
> 
> **Firmware release up to 4.26:** There is no automatic detection. Set the IP address manually.
> 
> **Firmware release from 5.1 or higher:** Automatic detection is supported.

## Connecting XLC4 control units with a working setup

### Connect a single XLC4 control unit

1. In the specific dropdown menu of the active tab click **Interface.**
2. Click **Connect**.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(53).png)

**OR**

1. Click the toolbox element

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(59).png)

### Connect all XLC4 control units

1. In the general dropdown menu click **System Control**.
2. Click **Connect all**.

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(55).png)

**OR**

1. Click the toolbox element

![](https://cdn.document360.io/eca58697-9c2f-461e-9f0a-e6205b74b693/Images/Documentation/image(57).png)