Fujitsu PRIMERGY RX4770 M2 - Page 56

56 Operating Manual RX4770 M2
Hardware installation
System power supply configuration and system load limits for 1600W PSU
The system configuration and load is limited by the number of AC mains power
sources available as indicated in the following table.
Number
of power
supply
modules
installed
AC redundant systems
(requires 2 AC sources)
AC non-redundant systems
(connected to 1 AC source)
Max. DC
loading to
support AC
redundancy
Installation
requirements
Max. DC loading
for AC non-
redundant
systems
Installation
requirements
2 1600W 2 PSUs
connected to
mains (1+1)
1600W 2 PSUs
connected to
mains (1+1)
3 N/A N/A 3040W 3 PSUs
connected to
mains (2+1)
4 3040W 2 PSUs
connected to
mains
2 PSUs
connected to
an isolated
AC source
e.g. UPS
(2+2)
4480W 4 PSUs
connected to
mains (3+1)
Table 5: System power supply configuration and system load limits for 1600W PCU