Service Manual

GSM-205-423
Suggested RF configurations
31st Oct 01
Installation & Configuration: Horizon macro indoor
68P02902W08-B
CONTROLLED INTRODUCTION
Inst. 2–29
Configuration
for omni 4
Figure 2-18 shows a suggested configuration, using a single Horizon macro
cabinet, for omni 4 with dual stage duplexed combining filter and hybrid
combining unit.
B
EXT RX RX RX RX RX RX EXT
A0A1A2A0B1B2B
2
BLANK
0
ANT
RX
DDF
N01
TXTX
N02
1
HCU
TX
Figure 2-18 Single cabinet omni 4 with DDF and HCU
Configuration
for omni 5 or 6
Figure 2-19 shows a suggested configuration, using one Horizon macro cabinet,
for omni 5 or 6 with dual stage duplexed combining filter and air combining.
B
EXT RX RX RX RX RX RX EXT
A0A1A2A0B1B2B
N02
2
ANT
RX
DDF
FEED
THRU
0
ANT
RX
DDF
N01
1
TX
TXTX
N02
N01
Figure 2-19 Single cabinet omni 5 or 6 with DDF and air combining
Unused SMA connectors must be fitted with 50 ohm terminating loads as shown
below.
If configured for...
Then 50 ohm load required on
unused SMA input to...
omni 5 DDF 2