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Black Box Networks PICO systems
Pico Manual v5.1
V5.1 21
5.2 The Outdoor interconnection unit
The outdoor interconnection unit (OIU) provides the power supply for the head. This unit
provides +8VDC, GND, -8VDC and the 30VDC for the head. Ensure that the cables are
connected as it seen below. The OIU also has a TP connection module that provides an
easy-to-use connection between the head and the local network.
5.2.1 Power Connection to the OIU
5.2.2 Power to the Head
230 VAC
Power to the head
TP Connection
Module
Switching
Key
Fuses
P G N
This is the primary side
of the OIU and these 3
connectors are used to
provide the 230 VAC to
the unit.
Please be very careful
while connecting the 230
VAC cable! Be sure that
the cable is not under
power when you connect
it!