NEC NX7700i - Manual (Page 31)

Base Module
855-900549 2-12
b) Power supply from two systems
Location on the inlet box: P1
Location on the expansion power bay: P3
c) Power supply from 100VAC
Location on the inlet box: P1
Location on the expansion power bay: P5, P6, P7
P1 AC SW
P3 CB1
P1 AC SW
AC SW
P5 P6 P7