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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Power Requirements
Command Module and Drive Module Site Preparation Guide 4-9
Power Cord Routing
All modules are shipped with two AC power cords that are appropriate for use in a typical
outlet in the destination country. Each power cord connects one of the power supplies in a
module to an independent, external power source, such as a wall receptacle or
uninterruptible power supply (UPS). If you have a rackmount cabinet with internal power
cabling, such as a ladder cable, you do not need these power cords.
Typically, a rackmount cabinet has two AC distribution boxes with two separate power
cords (Figure 4-4). To ensure redundancy, each power cord must connect to an
independent, external power source. Each AC distribution box has a ladder cable that runs
up the inside of the cabinet and connects to one of the power supplies in each unit.
Figure 4-5 shows the power cords and receptacles for domestic (inside USA) and
international use (outside USA).
Figure 4-4 Redundant AC Power Connections to Array Modules
Array Module Power Supplies
AC Power
Distribution Boxes
Ladder Cable
Ladder Cable Connector
AC Power Distribution Box
Power Cords