Preface
This guide describes the installation and startup instructions for the
Narrowcast Services Gateway family, including the NSG 9116, 9112 and
9108. The NSG is a highly integrated digital video and data gateway
between on-demand content servers and their subscribers. Designed as
a 1-RU chassis, the NSG family performs PID filtering, multiplexing,
scrambling, QAM modulation, and RF upconversion for either sixteen,
twelve or eight transport streams simultaneously. It can supply video and
other on-demand multimedia services to large numbers of subscribers.
The NSG accepts digital MPEG input through a Gigabit Ethernet (GbE)
port. The NSG directs multimedia to the different QAMs and up-
converters to create the outgoing transport streams as QAM-RF output
signals.
Note: This guide uses the term NSG to refer to the NSG 9116, 9112
and 9108.
Manual Organization
This guide is organized as follows:
■
Chapter 1, “Features and Specifications,” introduces features of the
NSG.
■
Chapter 2, “Cabling and Configuration,” describes how to cable and
configure the NSG.
■
Chapter 3, “Troubleshooting,” describes how to resolve NSG
hardware alarms.
■
Appendix A, “Fuse Replacement,” contains service information that
explains how to replace the fuse in the NSG.
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