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Chapter 2
Installation
Connecting AC Input Power
34
Connecting AC Input Power
The hp rp7405/rp7410 has five line cord configurations:
• All four line cords
• Cords A0 and A1 only
• Cords B0 and B1 only
• Cords A0 and B0 only
• Cords A1 and B1 only
A single-line-cord configuration is not allowed.
Figure 2-20 Power Cord Configuration
The power cord configuration is passed to the operating system using the pwrgrd (Power Grid) command.
Each of the five selections in the pwrgrd command matches one of the configurations. The appropriate option
should be selected for the actual line cord configuration. With the correct configuration selected, the LEDs
should be green. when the pwrgrd command is invoked, the following menu is displayed.
IMPORTANT Options 1 and 2 are for Hewlett-Packard internal use only. Do not select these options.
prompt> pwrgrd
Power grid configuration preference.
1. Grid A only (Cords A0,A1 required)
2. Grid B only (Cords B0,B1 required)
3. Grids A & B (Cords A0,A1,B0,B1 required)
4. Cords A0 & B0 only
5. Cords A1 & B1 only
Select Option:
A0 A1 B0 B1