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Out of mangement due to wrong ethernet cable

Publication Date:  2012-07-25 Views:  140 Downloads:  0
Issue Description
One day ,local engineer in a country report that there is some subracks out of management .Based on his description ,there are 2 cabinets and 8 subracks .Master-slave mode is used here and the slave subracks in another cabinet lsot management .
subrack 0,1,2,3 belong to cabinet 1
subrack 4,5,6,7 belong to cabinet 2
Alarm Information
Commu-fail
Handling Process
After reset and replace the AUX board ,problem is still there .
Port connection is right .
Change the cable between subrack 3 and 4 ,problem solved
Root Cause
1.AUX board get fault
2.Connection of ethernet port is not right
3.Cable have problem
Suggestions
It is recommended to use the cable which is accessories of equipment because 8-core straight cable should be used here .

END