Chapter 2 - Installation Guidelines
WILINK I MODULAR BASE STATION SYSTEM MANUAL
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2.2.6
Power Supply Unit (PSU)
The single Euro PSU module is a 48 VDC power supply unit. Each Base Station
chassis can contain up to four PSU modules providing N+1 redundancy
configurations.
The following tables display the number of PSU modules (excluding redundant
units) required for various Base Station configurations:
Table 2-8: PSU Requirements, Configurations with one NPU
(excluding PSU redundancy)
Number of AUs
Minimum Required Number of PSUs
1 - 2
1
3 - 6
2
Table 2-9: PSU Requirements, Configurations with two NPUs
(excluding PSU redundancy)
Number of AUs
Minimum Required Number of PSUs
1 - 5
2
6
3
NOTE
The PSU(s) do not supply power to the AU-ODUs that are powered directly from the power source
via the PIU and the back plane.
