SO CF I1A:8 - Timing Unit VCO Fault

Related RUs SO CF RU:0 - DXU, DUG 10, DUG 20, MU or IXU

Page 30

SO CF RU:2 - Micro RBS Page 30

Description The VCO is failing, probably because of a power supply

problem or a hardware fault.

If a large number of RBSs raise the alarm, the fault is

probably located in the PCM or External References.

Action Follow the instructions below until the fault is resolved.

• Check that the RBS receives the correct

synchronization signals according to configuration.

• Reset the IXU/MU/Micro (master cabinet).

• Replace the IXU/MU/Micro (master cabinet).

硬件或傳輸?shù)膯栴}吧