# RealPort in Connect ME -C

**URL:** <https://forums.digi.com/t/realport-in-connect-me-c/4446>\
**Category:** NET+OS\
**Tags:** c-to-s-firmware-conv\
**Created:** [October 15, 2009, 2:12pm UTC](https://forums.digi.com/t/realport-in-connect-me-c/4446 "2009-10-15T14:12:55Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pedro\_santos](https://avatars.discourse-cdn.com/v4/letter/p/ee7513/32.png) [@pedro\_santos](https://forums.digi.com/u/pedro_santos)\
**Post date:** [October 15, 2009, 2:12pm UTC](https://forums.digi.com/t/realport-in-connect-me-c/4446/1 "2009-10-15T14:12:55Z")

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Greetings

I have some Digi Connect ME -C modules, with a custom firmware, and I would like to change one to default firmware, to use RealPort (Serial-to-Ethernet) function. Is it possible to write the default firmware in a -C module? How can I do that?

Thanks in advance

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<div class="post-metadata">

**Author:** ![charliek](https://avatars.discourse-cdn.com/v4/letter/c/94ad74/32.png) [@charliek](https://forums.digi.com/u/charliek)\
**Post date:** [October 22, 2009, 5:06pm UTC](https://forums.digi.com/t/realport-in-connect-me-c/4446/2 "2009-10-22T17:06:51Z")

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If you’re looking to use the -S modules firmware in a -C module, that’s not possible.

If, however, you want to use Realport with a -C module (running NET+OS 7.2 or later I believe), that is possible. There’s a Realport API you can use that acts the same as on a -S module.