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Dense QAM Array
Power Supply Unit
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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.
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Dense QAM Array Power Supply Unit
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Notices Trademark Acknowledgments Continuum DVP, “Bringing the Interactive Experience Home”, and SciCare are trademarks of Scientific-Atlanta, Inc. Scientific-Atlanta, the Scientific-Atlanta logo, Continuum, and Mercury are registered trademarks of Scientific-Atlanta, Inc. All other trademarks shown are trademarks of their respective owners. Publication Disclaimer Scientific-Atlanta, Inc., assumes no responsibility for errors or omissions that may appear in this publication. Sc
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Contents Safety Precautions .....................................................................................................................................iv Guidelines for Users....................................................................................................................................v Guidelines for Service Personnel..............................................................................................................vi Warranty and Disclaimer..........
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Safety Precautions Read and Retain Instructions All electrically powered units can be dangerous. We have taken great care to ensure safety during the design and production of our units. Incorrect installation, handling or component replacement can, however, impair safety. Safety guidelines in this manual and labels or instructions on the unit are provided to warn users and service personnel about residual risk. Carefully read all safety and operating instructions before operating this p
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Guidelines for Users Precautions The following precautions are applicable to users: To prevent electrical shock or fire 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 fuses. For continued protection against risk of fire: Replace only with the same type and rating of fuse. 6984278 Rev A v
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Guidelines for Service Personnel General The specific warnings and precautions in the sections below are applicable to service personnel. Requirements for the Installation Site You should select the installation site carefully. Observe the following rules: Protective Earth The protective earth lead of the building installation should comply with the national and local requirements. Environmental Condition Keep in mind that electronic equipment requires a dry and clean environme
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Guidelines for Service Personnel, Continued Fire Hazard Incorrect use or installation of electrical equipment can cause a risk of fire. Be aware of the following: Ventilation Slots and openings in the product housing are provided for ventilation. Do not block these openings and slots as insufficient airflow can be unsafe and cause fire. Critical Component Replacement For continued protection against risk of fire; replace critical components only with components of the same type
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Guidelines for Service Personnel, Continued EMC To meet the EMC requirements of Directives 89/336/EEC and 93/68/EEC you must use correctly shielded cables of good quality for all external connections, except the power, 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 clearly stated in the connector description for the excepted connector i
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Warranty and Disclaimer Statement Scientific-Atlanta (S-A) warrants good title to any hardware furnished by it. S-A warrants that during the Warranty Period as defined below services will be performed in a good and workmanlike manner. S-A also warrants that during the Warranty Period, each item S-A delivers (other than separately licensed software and services) (an “Item”) will be free from material defects in workmanship and materials and under ordinary use, conform in all material respe
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Warranty and Disclaimer, Continued Customer acknowledges its responsibility to use all reasonable methods to prove out and thoroughly test the operation of and output from Licensed Software prior to its use in Customer's operations. Unless otherwise provided in a separate writing, and subject only to the warranty of this Section, S-A is under no obligation to provide Customer with any modifications, updates, additions, or revisions to licensed software, or to maintain licensed software in
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Preface About This Guide Introduction This guide provides the needed technical information to install the Dense QAM Array Power Supply Unit (PSU). Audience The audience of this user manual includes users (operators) and service personnel who are responsible for the installation, operation and service of the Dense QAM Array PSU. For further information about the definition of operator and service personnel, see safety guidelines and precautions earlier in this manual. Scope This guide
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Chapter 1 Introduction Overview Introduction This chapter provides 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 1-2 Product Identification 1-4 6984278 Rev A Introduction 1-1
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About the Dense QAM Array PSU General The Dense QAM Array Power Supply Unit (PSU) is a part of the Continuum DVP™ Dense QAM Array system or of the Mercury™ Dense QAM 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 100-240 VAC version and a -48 V DC version. Drawing The following illustration shows a 100-240 V AC version PSU. Cont
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About the Dense QAM Array PSU, Continued Features and Benefits The standard features and benefits for the 100 - 240 V AC version PSU are: Universal AC input Inrush current limited, overvoltage protection and thermal shutdown 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. 12 VA 12 VB The following table describes the PS
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Product Identification General Products can be identified by means of the ID label attached to the product. The following information is available on the label(s). Company address Model number Serial number Part number Nominal supply voltage Maximum current Under some circumstances you might need this information. For example when a unit is failing, the serial number is necessary for returning your unit. Label The following is an example of the identification label
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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.
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Installing the Dense QAM Array PSU Introduction The PSU is positioned in the right most PCB slot of the Continuum DVP™ Dense QAM Array Chassis or of the Mercury™ Dense QAM Array Chassis. The following illustration shows the PSU slot in the chassis. PSU Module position 1 2 3 4 5 6 7 8 Observe the following cautions when installing the PSU. CAUTIONS: During installation, the connector on the PSU must line up evenly with the connector inside the card slot. When inserting the unit into
