Installing the ODU Power Feeder
WiLink-I Modular Base Station System Manual
51
2.3.2
The ODU Power Feeder
The ODU Power Feeder is used to provide power (-48 VDC) to AU-ODU-HP High
Power ODUs. It transfers transparently all signals between the AU-IDU and the
ODU, while injecting DC power received from an external source. Each ODU
Power Feeder unit can serve up to four High Power ODUs. Up to three ODU Power
Feeder units can be installed in a 1U high Power Feeder panel.
2.3.2.1
Preparing a Power Cable
A 2.5m DC power cable is supplied with each ODU Power Feeder module.
Additional DC cables can be ordered from the Supplier. If necessary, use the
following instruction to prepare a DC cable.
1
Use a cable capable of supporting a current of at least 10A. Use a cable with 2
x 10AWG (or thicker) wires for the power plus an additional 10AWG to 20AWG
ground wire.
Table 2-15: ODU Power Feeder Connectors
Name
Connector
Functionality
IDU 1 - 4
4 x TNC jacks
Connection to ODU connectors of AU-IDUs/Micro Base
Station
ODU 1 - 4
4 x TNC jacks
Connections to IF connectors of AU-ODU-HP units
-48V
3-pin D-Type power jack
Connection to DC power source
(GND)
Grounding Screw
Connection to ground (earth)
Table 2-16: ODU Power Feeder LEDs
Name
Description
Functionality
PWR
Input power indication
¢
Off - ODU Power Feeder is not powered
¢
Green - ODU Power Feeder power is OK
ODU PWR 1 - 4
Output power indications
¢
Off - AU-ODU-HP is not connected
¢
Red - Power output problem (short or overload)
¢
Green - AU-ODU-HP is connected and powered
To prepare the power cable:
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