American Power Conversion PD150G6F - Manual (Page 17)

Overview: InfraStruXure PDU
150kW InfraStruXure PDU—Operation and Configuration 9
Rear view (interior)
 The PDU monitoring unit receives signals from several current and voltage
monitoring boards that report to a central board assembly located in the PDU
monitoring unit. The monitoring unit has one 10 Base-T (Cat-5) connection to the
Information Controller Hub (or switch), four relay output connections, four input
contact connections, and one EPO input connection. Make these connections at the
user connection plate located on the roof of the PDU. See “PDU monitoring unit”
on page 10 for a more detailed description.
 The Main Input breaker connects to your main power source. The breaker accepts
480V input and requires 3-wire input conductors.