Harmonic bNSG 9000, Installation & User Manual

Page: 7 / 40

Chapter 1 Main Features and Specifications Main Features
© 2011 Harmonic Inc. 7 bNSG 9000 & NSG 9000-3G, Rev D
QAM-RF
module Hot-swappable Up to 9 QAM-RF modules may be mounted in
the chassis. Modules may be added or
removed while the system is operational.
QAM-RF
modules Up to nine QAM-
RF modules, with
2x QAM-RF ports
per module.
Overall, the
system includes
up to 18 QAM-RF
ports, capable of
carrying up to 72
QAM-RF channels Each port carries up to four QAM channels
combined and upconverted. For further
information, refer to page 17.

QAM Mode:
 ITU-T J.83 Annex-A (DVB): 8 MHz
 ITU-T J.83 Annex-B: 6 MHz
 ITU-T J.83 Annex-C (Japan): 6 MHz

QAM Constellations:

ITU-T J.83 Annex-A:16, 32, 64, 128, 256

ITU-T J.83 Annex-B: 64, 256

ITU-T J.83 Annex-C:16, 32, 64, 128, 256
For further QAM-RF specifications, see
product specification sheet.
QAM-RF
module Maximum output
bit rate

ITU-T J.83 Annex-A
 Up to 3xQAM channels per physical port
(Triple QAM)

Up to 6xQAM channels per module

Max output bitrate per QAM channel -
51.287 Mbps

ITU-T J.83 Annex-B:

Up to 4xQAM channels per physical port
(Quad QAM)
 Up to 8xQAM channels per module
 Max output bitrate per QAM channel -
38.811 Mbps

ITU-T J.83 Annex-C:
 Up to 4xQAM channels per physical port
(Quad QAM)

Up to 8xQAM channels per module

Max output bitrate per QAM channel -
39.171 Mbps
Power Supply AC/DC Power
Supply Options Two distinct types of Power Supply are
available: AC and DC. See
1.3.3 Power Supply
Specifications on page 8.
Power Supply Hot Swappable
redundant power
supply Two independent Power Supply units may be
mounted in the chassis. The units can be
removed or inserted while the system is
operational.
Power Supply Current and load
sharing When operating with two Power Supplies, load
is shared and balanced between the two
modules.
Table 1-1: Main Specifications
Component Feature Description