User's Guide
7
If the automatic loading function is enabled for the
RRU3606, the RRU3606 automatically loads software
from the BAM.
If the auto-loading function of the RRU3606 is
disabled, run the DLD CBTSSW command to load the
software.
Step 8 Unblock the carriers.
Run the UBL RES command to unblock the carriers.
Step 9 Ensure that the new CRFU module is functional.
RUN indicator: ON for 1s and OFF for 1s.
----End
Postrequisite
After replacing the CRFU, perform the following steps:
1. Record the software version, board name, slot number, and site name of the
faulty board.
2. Check whether there is visible physical damage on the board, for example,
mechanical parts or plug-ins are distorted, pins are bent or missing, or the board is
burnt.
3. Record the information about the fault location process, including the cause
of the fault, fault symptoms, alarm name, status of indicators on the board panel,
and detailed procedures for identifying and clearing the fault on site.
4. Place the faulty board in an antistatic bag. Then, place the onsite fault record
and the antistatic bag in the board box, and store them properly.







