One day ,engineer report there is R_SLIP alarm rise in a 1600G .
Its version is v1r5
1.There is not other alarm
2.ST2 board was moved to other slot
3. Change the clock tracing to the new slot of st2 ,alarm disappear
The st2 board was moved to another slot but configuration of time trace is not changed .
There is still clock tracing configuration in 1600G .So ,its configuration should be checked when the R_slip and T_slip alarm rise .