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some ports on differential are not working.

Started by Pandora, December 05, 2021, 06:57:00 AM

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Hello everyone,

I'm using 4 differential controler with my f48, daisy chain 2 by 2. I've the same configuration on the 2 group, but with the first all is ok,  but the second groupe, my port 3 and 4 on two daisy chained receiver doesn't work. 

If I test the string on port 1 or 2 it's ok, and test mode on receiver is ok to, so i guess it's a configuration pb ....

3a 3b and 4a 4b are the problematic port on screenshot. Sooner i was using the port 5-8 on f48 with no change.
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Any Idea ?
Thank in advance


Are all 4 LED's on these cards lit?  It could be a bad cable.  Also, make sure that your terminators are set correctly.  You may also want to post your input definitions.


In my experience, that tends to be a bad Cat5 cable or bent pins on the Cat5 connector on the receiver (although could be on the F48 side as well).


Thank to bigwavedave i've tested my cat5 cable and 4 wires were broken, with a new cable all is ok !

Thank you very much !

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