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2-10 InterReach Unison Installation, Operation, and Reference Manual PN 8700-10
620003-0 Rev. B
2.3 System Connectivity
The double star architecture of the Unison system, illustrated in the following figure,
provides excellent system scalability and reliability. The system requires only one
pair of fibers for 8 antenna points. This makes any system expansion, such as adding
an extra antenna for additional coverage, potentially as easy as pulling an extra
twisted pair.
Figure 2-5 Unison’s Double Star Architecture
Main Hub
RS-232
PORT 1 PORT 2 PORT 3 PORT 4
Expansion Hub
Expansion Hub
Fiber
Expansion Hub
Expansion Hub
Cat-5/6Cat-5/6 Cat-5/6
up to 8 RAUs per Expansion Hub
RAU RAU RAU