User's Manual Part 1

RBS 2109 User’s Guide
6
Hang the MBU on the bolts,
applying just enough downward
pressure to ensure that the
screws fit in the keyholes.
P010120A
7
Tighten the four bolts.
8
Connect site earthing to the
MBU.
Note: In configurations with
more than one RRU and a 2-wire
DC Supply, an extra earthing
cable must be connected
between the RBSs.
P010190B
8 - 9 mm
47EN/LZT 720 0090 Uen R1A 2004-09-17