User's Manual Part 3

RBS 2308 and RBS 2309 User’s Guide
6.
Remove the MCB cable
connected to the RRU and
the cables connected to the
antenna(s). Remove the MCB
after loosening the two screws,
then disconnect it.
ANT 1
A
N
T 2
TX(/RX)
LOAD
TX
(/R
X
)
M
CB
P010375A
Note: The figure shows an example of an MCB configuration.
7.
Mount the new MCB and connect all cables.
8.
Put back the MCB prot
ection cover.
Note: Ensure that cables are not trapped or damaged by the cover.
Putting the RRU into Service
9.
Inform the OMC operator that the TRXs connected to the RRU are to
be put into service.
10.
Press the Local
/Remote button on the RRU to set the unit to remote
mode. Wait unt
il the RF off indicator on the RRU interface panel goes
off and the Ope
rational indicator lights up.
11.
Close the sunshields.
Handling Replaced Units
The MCB should be returned to Ericsson for repair with a repair delivery
note, LZF 084 84 (Blue Tag) attached. Include a clear description of the fault
found. See Section 10.6 Returning Hardware on page 255 for instructions
on completing a repair delivery note.
Note: Since the MCB contains Beryllium oxide, BeO, the unit must be handled
according to applicable regulations for handling of s uch products.
10.5.6 Replacing a PIB
This section describes how to replace a faulty Power Interface Board (PIB).
The PIB is located in the MBU.
2
27
EN
/LZT 720 0027 Uen R8A 2006-06-27