HPE Integrity NonStop NS2100 Planning Manual page 51

Here are some typical power feed configurations for an NS2100 system:
AC Power Feeds Without UPS
Example of Bottom AC Power Feed Without UPS (page 52)
Example of Top AC Power Feed Without UPS (page 53)
AC Power Feeds With Single-Phase UPS
Example of Top AC Power Feed With Single-Phase UPS (page 54)
Example of Bottom AC Power Feed With Single-Phase UPS (page 55)
AC Power Feeds With Three-Phase UPS
Example of Top AC Power Feed with Three-Phase UPS (page 56)
Example of Bottom AC Power Feed With Three-Phase UPS (page 57)
Power Distribution for NS2100 Systems 51