Installation Guide, Seventh Edition - HP Integrity rx7620 Servers

Chapter 4
Cable Connections
AC Input Power
69
If two separate power sources are available, the two power supplies can be plugged into the separate power
sources, increasing system reliability should one power source fail.
Figure 4-2 Power Source vs. Power Distribution
WARNING Voltage is present at various locations within the server whenever a power source is
connected. This voltage is present even when the main power switch is in the off
position. To completely remove power, all power cords must be removed from the
server. Failure to observe this warning could result in personal injury or damage to
equipment.
NOTE System firmware will prevent boot when a single power cord configuration is detected.
BPS 0 BPS 1
A0
A1
B0
B1
*180-269 VAC
Power Source A
Power Source B