Power Supply; Figure 27: Behind Hub Board -Power Supply With Wired Pdu With Pdu Shielding; Figure 28: Pin Connection From Pdu To Psu - NEC FE Series User Manual

Power Supply

In each module, one Power supply unit (PSU) connects through a Power distribution unit (PDU)
to the power input.
The following components contribute to the power supply of a module:

1 Power supply unit (PSU) (A)

1 Power distribution unit (PDU) (B1) with PDU shielding (B2): The PDU shielding protects
the high voltage components from being touched by accident. Do not remove while power
is connected!
 1 Power supply interface to Hub board (C): Counter-part to the Hub board's four pin
connector to supply the Hub board with power.
B1
B2
Figure 27: Behind Hub Board –Power Supply with Wired PDU with PDU Shielding
The PDU connects to the PSU via three pin connectors (D) for each PSU interface (E).

Figure 28: Pin Connection from PDU to PSU

B A
E
D
© NEC Corporation 2019
C
29