About This Guide
Introduction
This guide describes the following Multiple Quadrature Amplitude Modulation
(MQAM) modulator models and includes installation and operation procedures.
Model D9477-1 120 V AC (part number 592800)
Model D9477-2 48 V DC (part number 714330)
Model D9477-3 230 V AC (part number 4000833)
Scope
This guide includes the following topics:
Descriptions of MQAM modulator functions
Descriptions of MQAM modulator components
Installation procedures
Operation procedures
Troubleshooting guidelines
Customer support information
MQAM modulator technical specifications for installation
Audience
This guide is written for the system administrator of the Digital Broadband Delivery
System (DBDS), operators of the Digital Network Control System (DNCS), call center
personnel, and system operators who are responsible for installing and operating the
MQAM modulator.
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About This Guide
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