Template:PCN RS485 RE-DE TRB 2024 05

2024.05.18: RS485 hardware change

Starting from August 2024, all TRB141 devices will be manufactured with modifications to the RS485 RE/DE management hardware.

PCN Number: PCN_RUTOS_CHANGE_2024_05_18_EN


Change description
Change type	Hardware change
Detailed description	In the latest hardware revision of the TRB141 device, changes have been made to enhance the management of RS485 signalling. TRB141 will require firmware version TRB1_R_00.07.06 or newer to ensure compatibility with the hardware changes and to maintain full functionality. Important Note: Due to hardware changes, downgrading to firmware versions below, RutOS TRB1_R_00.07.06 is no longer supported.
Change reasons	Improved Hardware Compatibility


Affected products information
Model	Affected order codes	Order code changes
{{{name}}}	{{{name}}} ******	No changes
Upcoming change date	2024 Q3


Change impact
Risk assessment	Devices with the new hardware changes will not support firmware versions below TRB1_R_00.07.06. Please note: this product change notification does not affect any previous TRB141 devices, except new TRB141 devices. Custom firmware built on previous SDK versions will also not be supported.
Suggested implementation plan	Information included in this PCN will help adapt to the upcoming changes. For more detailed information, please contact your sales representative.


Acknowledgement of PCN receipt
If no feedback is received within two weeks after the issue date of this notification - Teltonika may accept that this change has been tacitly accepted and can implement the change as indicated above.

To download the pdf version of this notification, [[Media:{{{name}}}_RutOS_7.07_pcn.pdf|click here]].