... describes all faults reported from all Macro RBSs, except RBS 2109 and RBS 2111, to the BSC, and HW units suspected of causing the fault For RBS 2109 and RBS 2111, see document Fault List RBS 2000 Micro ... information only, not a fault Fault No SO CF I1A:7 Fault name X bus fault Related faults SO CF RU:39 – X bus SO TRXC I1A:15 – X bus communication fault Description This fault arises when or more ... unconnected Local bus connectors (Applicable for RBS 2101, RBS 2102, RBS 2103, and RBS 2202) Fault No SO CF I2A:41 Fault name Lost communication to TRU Related faults SO CF RU:3 – Y link SO CF RU:32 –...