I have OXO R7.1
Some interfaces of external trunk of APA and MIX boards stop suddenly, i test this broads on other system they works !!
when replace the board with other one i have same case , but When i upgrade it to R710.073.001 , all ports work fine ,
then after some time about 3 weeks this issue appears again on 3 ports
could any one help me, if it hardware or software problem and what i may do??????