# Where to download cmux configuration windows tool Mux\_ConfTool.exe tool for HL 78XX

**URL:** <https://forum.sierrawireless.com/t/where-to-download-cmux-configuration-windows-tool-mux-conftool-exe-tool-for-hl-78xx/28833>\
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**Created:** [January 23, 2023, 5:32am UTC](https://forum.sierrawireless.com/t/where-to-download-cmux-configuration-windows-tool-mux-conftool-exe-tool-for-hl-78xx/28833 "2023-01-23T05:32:29Z")\
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**Author:** ![vaibhav.kambli](https://avatars.discourse-cdn.com/v4/letter/v/e99b99/32.png) [@vaibhav.kambli](https://forum.sierrawireless.com/u/vaibhav.kambli)\
**Post date:** [January 23, 2023, 5:32am UTC](https://forum.sierrawireless.com/t/where-to-download-cmux-configuration-windows-tool-mux-conftool-exe-tool-for-hl-78xx/28833/1 "2023-01-23T05:32:29Z")

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Where to download cmux configuration windows tool Mux\_ConfTool.exe tool for HL 78XX ?

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**Author:** ![jyijyi](https://sea1.discourse-cdn.com/flex025/user_avatar/forum.sierrawireless.com/jyijyi/32/4766_2.png) [@jyijyi](https://forum.sierrawireless.com/u/jyijyi)\
**Post date:** [January 23, 2023, 9:24am UTC](https://forum.sierrawireless.com/t/where-to-download-cmux-configuration-windows-tool-mux-conftool-exe-tool-for-hl-78xx/28833/2 "2023-01-23T09:24:01Z")

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I don’t see such tool in the SOURCE website for HL78, you might need to refer to this application note in linux:

> **[AirPrime - HL78xx - Setting Up CMUX in a Linux Environment](https://source.sierrawireless.com/resources/airprime/application_notes_and_code_samples/airprime_hl78xx_setting_up_cmux_in_a_linux_environment/#sthash.DmMDlQSt.dpbs)**
>
> This document gives an overview of how to use the CMUX feature supported by the AirPrime HL78xx.