# \#rs-422-xm-c91-4p-ua

**URL:** https://forums.digi.com/tag/rs-422-xm-c91-4p-ua/1352.md

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## [XM-C91-4P-UA   modem  what is the default software and the Ver,#](https://forums.digi.com/t/xm-c91-4p-ua-modem-what-is-the-default-software-and-the-ver/13001)

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**Author:** [@polybus](https://forums.digi.com/u/polybus)\
**Replies:** 1\
**Last updated:** [May 21, 2014, 9:27am UTC](https://forums.digi.com/t/xm-c91-4p-ua-modem-what-is-the-default-software-and-the-ver/13001 "2014-05-21T09:27:29Z")

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