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DS280DF810EVM: Test PRBS Generator and Checker on TX and RX

Part Number: DS280DF810EVM


Tool/software:

Hi, I have a DS280DF810EVM board and installed Sigcon software. I jumper connected TXP0 to RXP1, RXN0 to RXN1 using the recommended Huber Suhner cables and SMAs, I set channel 0 to enable PRBS generator, and set channel 1 to PRBS checker, but I dont see any signal or CDR lock indicated on the software. 

The settings are all default setting, low level page on the Sigcon all default values; hardware jumpers are set as in the "DS280DF810EVM User’s Guide". 

But I am not getting any signal received or CDR locked at channel 1. Is there anything I am missing to set or config?