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COMBA CriticalPoint V3 7 BDA - Page 82

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CRITICALPOINT 700/800MHZ BDA/DAS/BBU V3 USER MANUAL
©2024 Comba Telecom. All Rights Reserved.
568 Gibraltar Drive, Milpitas, CA 95035 | +1 408 526 0180
Rev. 1-0-2 Rev. Date: 11-1-2024
Page: 82
If there is more than one FOU required, connect as shown below in Figure 54. Figure 54 shows an example
of cascading 2 FOUs from a BDA/MU. Follow the same concept to cascade to a maximum of 4 FOUs.
Follow the below instructions when using more than one FOU:
Install Address Cable between FOU(n) ADD. OUT to FOU(n+1) ADD. IN (cable not provided)
Install DC Power cable between FOU(n) OUT to FOU(n+1) IN1
Install ethernet RJ45 cable between FOU(n) AUX3 to FOU(n+1) AUX1
Figure 54: V3 BDA/MU and V2 FOU Power and Communications Wiring Multiple FOUs
28VDC Power
BDA/MU to FOU 1
Ethernet Cable
FOU 1 to FOU 2
Ethernet Cable
BDA/MU to
FOU 1
28VDC Power
FOU 2 to FOU 3
Address Cable
FOU 1 to FOU 2
28VDC Power
FOU 1 to FOU 2
Ethernet Port
FOU 2 to FOU 3

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