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3 features, Table 5.1 9960 three-phase features, 5 input voltage tolerances – Compaq 9900 User Manual

Page 98

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84 Chapter

5

Planning for Installation and Operation

5.2.3 Features

Table 5.1 lists the features for a three-phase 9960 subsystem.

Table 5.1

9960 Three-Phase Features

Frame Feature

Number

Description

Comments

Controller

N/A

If using three-phase power, the

Controller Frame receives its input

power from the first disk array frame. All

Controller single-phase features must be

removed to allow three-phase power for

the Controller.

Disk Array DKU-F405I-3PS

AC Box Kit for Three-Phase

Consists of two AC Boxes

Disk Array DKU-F405I-3EC

Power Cable Kit (Three-Phase Model for Europe)

Disk Array DKU-F405I-3UC

Power Cable Kit (Three-Phase Model for USA)

5.2.4 Current Rating, Power Plug, Receptacle, and Connector for Three-Phase (60 Hz only)

Table 5.2 lists the current rating and power plug, receptacle, and connector requirements
for three-phase 60-Hz 9960 subsystems. In a three-phase 9960 subsystem the controller
frame (DKC) receives its AC input power from the first disk array frame (DKU) via internal
cabling, so that subsystem will not require any customer outlets for the controller frame.
The user must supply all power receptacles and connectors for both 60-Hz and 50-Hz
subsystems. Russell & Stoll type (R&S) connectors are recommended for 60-Hz systems.

Note: Each disk array frame requires two power connections to ensure power redundancy. It
is strongly recommended that the second power source be supplied from a separate power
boundary to eliminate source power as a possible single (nonredundant) point of failure.

Table 5.2

Current Rating, Power Plug, Receptacle, and Connector for Three-Phase 9960

Item

9960 DKC

9960 DKU

Hitachi Base Unit

DKC410I-5 DKU405I-14

Circuit Current Rating

(from DKU) 30 A

Hitachi Feature(s) Required

none

DKU-F405I-3PS

DKU-F405I-3UC

60-Hz Power Plug (or equiv.)

Included with the product.

N/A R&S

3760PDG/1100

Box-Type Receptacle (or equiv.) (not provided) N/A

R&S 3754

Inline Connector (or equiv.) (not provided)

N/A

R&S 3934

*Note: For information on power connection specifications for locations outside the U.S.,
contact the Hitachi Data Systems Support Center for the specific country.