Browse Prior Art Database

Universal Power Distribution Panel

IP.com Disclosure Number: IPCOM000015658D
Original Publication Date: 2002-Jun-07
Included in the Prior Art Database: 2003-Jun-20
Document File: 1 page(s) / 53K

Publishing Venue

IBM

Abstract

Disclosed is a device that can standardize -48 Volt (V) Direct Current (DC) power distribution panels for telephone company computer installations. This standard device can replace the unique power distribution panels that are released to support specific configurations of computer drawers approved for -48V DC telephone company applications.

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Universal Power Distribution Panel

  Disclosed is a device that can standardize -48 Volt (V) Direct Current (DC) power distribution panels for telephone company computer installations. This standard device can replace the unique power distribution panels that are released to support specific configurations of computer drawers approved for -48V DC telephone company applications.

Computer systems used for telephone companies commonly use -48 V DC power. In order to accommodate the DC power feeds, a power distribution panel (PDP) is used. This PDP is normally affixed to the rack containing the computer hardware. The rack generally contains several drawers of computer hardware, with each drawer requiring its own power supply. The purpose of the PDP is to distribute power, with the correct overload protection, to the different drawers of the computer. For example, a processor drawer may require a 15, 20, or 30 amp circuit breaker, and a disk storage drawer may require a 10 or 15 amp circuit breaker. The variety of overload limits makes it difficult to create one PDP that can cover all combinations of drawers. Complicating the issue, each computer drawer may employ a unique connector design. So, even if two different type drawers shared an overload current of 20 amps, for example, they likely would not share a common connector design. PDPs have traditionally been designed with hardwired circuit breakers. There is some physical limit to the number of breakers and, besides...