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Chapter 2

Installation

Overview

Introduction

This chapter describes the installation of a Dense QAM Array Power Supply Module
(PSU) in the chassis. It is assumed that all safety precautions and guidelines have
been followed prior to performing the installation procedures in this chapter.

It is recommended that the entire installation procedure in this chapter is read prior
to performing the Dense QAM Array PSU installation.

In This Chapter

This chapter contains the following topics.

Topic See

Page

Installing the Dense QAM Array PSU

2-2

Removing the PSU from the chassis

2-5

6984278 Rev A

Installation

2-1

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Содержание Dense QAM Array

Страница 1: ...Dense QAM Array Power Supply Unit...

Страница 2: ...Please Read This Entire Guide Important Please read this entire guide before you install or operate this product Give particular attention to all safety statements...

Страница 3: ...Dense QAM Array Power Supply Unit...

Страница 4: ...cation at any time without notice This document is not to be construed as conferring by implication estoppel or otherwise any license or right under any copyright or patent whether or not the use of a...

Страница 5: ...Overview 1 1 About the Dense QAM Array PSU 1 2 Product Identification 1 4 Chapter 2 Installation Overview 2 1 Installing the Dense QAM Array PSU 2 2 Removing the PSU from the chassis 2 5 Chapter 3 Cu...

Страница 6: ...oduct This icon indicates important operating or maintenance instructions You may find this icon affixed to this product This icon indicates a live terminal the arrowhead points to the terminal device...

Страница 7: ...hazard Do not remove covers No operator serviceable parts inside Refer servicing to qualified personnel Do not expose this unit to rain or moisture Disconnect the main and backup power before changing...

Страница 8: ...that meets the requirements as stated in the unit s technical specifications Electrical Shock Hazard Electrical shock can cause personal injury or even death At any time you must avoid direct contact...

Страница 9: ...amage of the unit during service and repair do not wear electrically conducting objects such as wristwatch or jewelry Lightning Do not work on the product or connect or disconnect cables during period...

Страница 10: ...wer when installing the unit Observe the following rules Make sure that all multi connector cables have conductive connector housings with shielded clamps Exceptions from this general rule will be cle...

Страница 11: ...aintenance or use abnormal conditions of operation attempted modification or repair by Customer or an act of God S A will re perform any services that do not conform to this Warranty provided S A has...

Страница 12: ...Item prepaid 4 If the Item or fault is not covered by warranty an estimate of charges will be furnished before work begins Limitation of Liability EXCEPT FOR CLAIMS FOR PERSONAL INJURY CAUSED BY ITEM...

Страница 13: ...ides the following topics The PSU function description The installation procedures The technical specifications Related Publications Refer to the following Scientific Atlanta publications for more inf...

Страница 14: ......

Страница 15: ...vides a description of the Dense QAM Array Power Supply Unit PSU and the product identification In This Chapter This chapter contains the following topics Topic See Page About the Dense QAM Array PSU...

Страница 16: ...Array system This PSU generates two 12 V DC supply voltages One 12 V DC voltage 12 VA supplies Dual QAM Card 1 up to 4 and the other 12 VB Dual QAM Card 5 up to 8 Two PSU versions are available a 100...

Страница 17: ...down Quasi PFC 2 non isolated fully protected 12 V DC outputs High efficiency High reliability Indication LEDs The PSU is provided with 2 LEDs that indicate the status of the 12 V DC supply voltages 1...

Страница 18: ...failing the serial number is necessary for returning your unit Label The following is an example of the identification label MODEL Power Supply Unit U NOM 100 240 VAC PART NR V9524805 I MAX 1 8 A FUS...

Страница 19: ...have been followed prior to performing the installation procedures in this chapter It is recommended that the entire installation procedure in this chapter is read prior to performing the Dense QAM Ar...

Страница 20: ...S During installation the connector on the PSU must line up evenly with the connector inside the card slot When inserting the unit into the module slot ensure that the unit is level and the top and th...

Страница 21: ...nt damage to electronic components When unpacking a unit examine it the accessories and the packing material for obvious signs of damage Check the unit against the delivery packing note Retain the pac...

Страница 22: ...the three screws CAUTION The six fans mounted on the front cover of the chassis assure sufficient cooling of the system only when the hinged front cover is closed During operation of the system the f...

Страница 23: ...is and open the front cover 2 Pull out the PSU from the chassis using the handle bended lip on the front of the unit 0 1 2 3 4 5 6 7 8 Handle 3 Close the front cover and tighten the three screws CAUTI...

Страница 24: ......

Страница 25: ...his chapter contains information on obtaining product support and returning damaged products In This Chapter This chapter contains the following topics Topic See Page Customer Information 3 1 Returnin...

Страница 26: ...0 770 236 5748 For Customer Service questions call North America South America Central America SciCare Broadband Services a division of Scientific Atlanta Atlanta Georgia United States Toll free Local...

Страница 27: ...Scientific Atlanta company Lot L1 E 3B Enterprise 4 Technology Park Malaysia Lebuhraya Puchong Sg Besi Bukit Jalil 57000 Kuala Lumpur Malaysia Telephone Fax E mail 60 3 8996 1988 60 3 8996 1988 suppo...

Страница 28: ...ust have an RMA number to return products RMA numbers are valid for 60 days If you already have a number but it is older than 60 days you must contact a Scientific Atlanta SciCare Broadband Services r...

Страница 29: ...hase order number if available Result The representative issues the RMA number Notes If you cannot provide a purchase order number A proforma invoice listing all costs incurred will be sent to you at...

Страница 30: ...ame Complete address Telephone number RMA number Note Absence of the RMA number may delay processing of your product for repair Make sure to include the number in all correspondence to Scientific Atla...

Страница 31: ...umber which is required to generate the RAN 2 Ask the customer services representative to which customer center the unit should be returned It may be another than the one you contacted 3 Package the u...

Страница 32: ......

Страница 33: ...Appendix Appendix A Technical Specifications...

Страница 34: ......

Страница 35: ...to change without prior notice Environment Specifications Item Specification Ambient temperature range Within specs 10 to 40 C 50 to 104 F Operation 0 to 50 C 32 to 122 F Storage 20 to 70 C 4 to 158...

Страница 36: ...ad in application 4 2 A 96 W output power Minimal load 0 25 A to start up the SMPS Output current limit for each 12 V output 6 7 A short circuit proof No derating over entire temperature range Nominal...

Страница 37: ...ic Compatibility ESD Electrostatic Discharge LED Light Emitting Diode PCB Printed Circuit Board PSU Power Supply Unit QAM Quadrature Amplitude Modulation RAN Return Authorization Number RMA Return Mat...

Страница 38: ......

Страница 39: ......

Страница 40: ...800 Comment about this DOCUMENT If you have comments about your experience with this documentation please visit the Scientific Atlanta web site and complete the user documentation satisfaction survey...

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