Dell 48 VDC user manual

Summary of the content on the page No. 1

Dell™ Systems
Cabling Instructions for
the –48 VDC
www.dell.com | support.dell.com

Summary of the content on the page No. 2

Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death. ____________________ Information in this document is subject to change without notice. © 2002 Dell Computer Corporation. All rights reserved. Reproduction in any ma

Summary of the content on the page No. 3

This document describes the requirements and instructions for connecting the safety ground wire for systems equipped with a –48 VDC power supply. CAUTION: A qualified electrician must perform all connections to DC power and safety grounds. The system must be safety grounded at the cabinet frame. All electrical wiring must comply with applicable local or national codes and practices. CAUTION: The System Information document provides important safety and regulatory information. Read and fol

Summary of the content on the page No. 4

Input Requirements • Supply voltage: –(38–60) VDC • Current consumption: 7.5 A Connecting the –48 VDC Power Cable and Safety Ground 1 Remove the #6-32 nut equipped with a lock washer from the grounding post on the back of the system. 2 Connect the safety ground (green/yellow wire) to the grounding post on the back of the system using the #6-32 nut equipped with a lock washer that you removed in step 1 (see Figure 1-1). NOTE: If your system is equipped with redundant –48 VDC power supplies,

Summary of the content on the page No. 5

3 Plug the DC power cable into the system. Figure 1-2 and Table 1-1 indicate the DC input power cable connector’s pin orientation and descriptions. See your Rack Installation Guide for information on routing cables. Figure 1-2. DC Input Power Cable Connector’s Pin Orientation 2 1 Table 1-1. Connector Housing Pin Assignments Pin Description Wire Color and Size 1 –48 VDC Black 14 AWG 2 –48 VDC return Red 14 AWG Cabling Instructions for the –48 VDC 1-3

Summary of the content on the page No. 6

1-4 Cabling Instructions for the –48 VDC www.dell.com | support.dell.com