User's Manual Part 2

PN 8100-40 Help Hot Line (U.S. only): 1-800-530-9960 9-11
620004-0 Rev. E
Installing the Main Hub
Connecting a Duplex Base Station to a Main Hub:
When connecting to a duplex base station, it is recommended that you use a circulator
and connect to the simplex ports on the Main Hub.
You can insert attenuators between the base station and circulator, and between the
circulator and Main Hub as needed; refer to Section 7.5.1 on page 7-42 for more
information.
1. Connect an N-male to N-male coaxial cable to the duplex connector on the base
station.
2. Connect the other N-male connector to a circulator.
3. Connect an N-male to N-male coaxial cable to the FORWARD simplex connector
on the Main Hub.
4. Connect the other end of the N-male coaxial cable to the transmit connector on the
circulator.
5. Connect an N-male to N-male coaxial cable to the REVERSE simplex connector on
the Main Hub.
6. Connect the other end of the N-male coaxial cable to the receive connector on the
circulator.
Figure 9-2 Duplex Base Station to LGCell Main Hub
REVERSE FORWARD DUPLEX
DIAGNOSTIC 2 DIAGNOSTIC 1
Microcellular
N-male to N-male
Coaxial Cable
Base Station
Duplex
T1/E1 to
Mobile
Switching
Center
Insert attenuator, if needed
N-male to N-male
Coaxial Cable
Circulator