1800MHz-1900MHz Off-Air Repeaters (OR Series)
Page
91 080 0701F – Rel.04
CHAPTER 3
3.4
b) By an Off-Air Repeater connected to master unit and optical remote units with amplification steps of
no more than 1200mt. each. The optical fiber system extends the signal through an antenna or a
passive distribution system (Figure 6).
FIGURE 6
MASTER
UNIT
UP
DOWN
RF
UP
DOWN
D
O
W
N
L
IN
K
U
P
L
IN
K
Power Supply
(230Vac)
48Vdc Power
Supply and external
signals
OFF-AIR
REPEATER
REMOTE
UNIT
