RS485

[kriftoft@gmail.com]

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Problem with RS485 - AG8 send message but module with sim7600 not receive. Other function good, but TEM2=W2 dont work.Please help
http://photos.google.com/photo/AF1QipPgX...BpkWOr8yfn
https://photos.google.com/photo/AF1QipNF...AxY-YFgdf3
https://photos.google.com/photo/AF1QipNW...vnehA8visj

[admin]

can't see your file. we don't understand your question.

[kriftoft@gmail.com]

can't see your file. we don't understand your question.

https://photos.app.goo.gl/BbrKEnJPg4sMwvx49
https://photos.app.goo.gl/xQdPXztE4HMnfATQA
https://photos.app.goo.gl/5X2Ss7HS7SBZNKhh7
I have two modules connected via RS485 as shown in the picture. The AG8 module sends a signal, but the second esp32-s3 module with a sim7600 does not receive the signal.
Please help

[kriftoft@gmail.com]

I don't know what happened, but it worked today even though I didn't change anything.

[admin]

maybe cable not good contact.