# Tool Communications Interface (TCI) RS485 communications with external tool MCU

**URL:** <https://forum.universal-robots.com/t/tool-communications-interface-tci-rs485-communications-with-external-tool-mcu/13993>\
**Category:** Robot Communication\
**Created:** [April 28, 2021, 8:10pm UTC](https://forum.universal-robots.com/t/tool-communications-interface-tci-rs485-communications-with-external-tool-mcu/13993 "2021-04-28T20:10:59Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![aswathamang](https://avatars.discourse-cdn.com/v4/letter/a/b5a626/32.png) [@aswathamang](https://forum.universal-robots.com/u/aswathamang)\
**Post date:** [April 29, 2022, 5:36pm UTC](https://forum.universal-robots.com/t/tool-communications-interface-tci-rs485-communications-with-external-tool-mcu/13993/6 "2022-04-29T17:36:40Z")

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I hope my answer in another issue thread can help you start in setting things up and ready from the robot side. [Establish rs485 connection with Tool - #6 by aswathamang](https://forum.universal-robots.com/t/establish-rs485-connection-with-tool/14821/6)

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