C H A P T E R B

Using DC Power

This appendix describes using the DC Power Unit for the Sun StorageTek 2500 Series Arrays in the following sections:

“DC Power Overview” on page 91

“Installation Notes for DC Power” on page 92

“Ship Kit Changes” on page 93

“DC Power LEDS” on page 93

“Connecting Power Cables” on page 94

“Turning Off the DC Power During an Emergency” on page 96

“Relocation Cautions” on page 96

DC Power Overview

The Sun StorageTek 2500 Series Arrays can be ordered with a DC power connection and connector cables.

Caution – A qualified service person is required to make the DC power connection per NEC and CEC guidelines. A two-pole 20-amp circuit breaker is required between the DC power source and the array module for over-current and short- circuit protection. Before turning off any power switches on a DC-powered module, you must disconnect the two-pole 20-amp circuit breaker.

Caution – Electrical grounding hazard – This equipment is designed to permit the connection of the D.C. supply circuit to the earthing conductor at the equipment.

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Image 107
Sun Microsystems 2500 manual Using DC Power, DC Power Overview