---
title: Set Data Transmission Mode for Zebra DS3678
description: The Zebra DS3678 supports different data transmission modes. MetriX uses the RS232 mode and an enter key after scanning for termination. This is achieved by scanning specific QR-Codes.
---

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July 8, 2025

# Set Data Transmission Mode for Zebra DS3678

## The Zebra DS3678 supports different data transmission modes. MetriX uses the RS232 mode and an enter key after scanning for termination. This is achieved by scanning specific QR-Codes.

To connect your Zebra DS3678  Hand Scanner, first plug the Zebra Charging/Communication Cradle's USB cable into your MetriXFreight  PC. Next, power on your hand scanner and use it to scan the unique pairing barcode typically located on the docking cradle itself (Refer to the image below highlighted with a red box). Once successfully paired, both the hand scanner and the cradle will display a solid green light, confirming a stable connection for data transmission and charging.

   
![Zebra Scanner and Docking Cradle](https://docs.metrilus.com/hs-fs/hubfs/zebra-png.png?width=274&height=278&name=zebra-png.png)

To modify the configuration of the barcode scanner, kindly scan the barcode provided below.

![DS3678USBCDCHost](https://portal.metrilus.de/hubfs/DS3678USBCDCHost.png)

It is important that MetriX parameters are configured to match the barcode scanner's configuration. Especially when switching scanners please ensure compatibility.

For the software-side configuration, please seek assistance from your MetriXFreight technical support team.

To properly terminate the scanned barcodes, it is necessary to add an enter key. To accomplish this, kindly scan the provided configuration code.

![DS3678AddEnterKey](https://portal.metrilus.de/hubfs/DS3678AddEnterKey.png)

 

Now the Zebra DS3678 should be able to scan Barcodes and automaticaly add an Enter key after scanned data.

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