Chapter 1 Main Features and Specifications
Stream Processing Overview
© 2011 Harmonic Inc.
10
bNSG 9000 & NSG 9000-3G, Rev D
1.3.5
Environmental Specifications
The following table lists the environmental specifications for the NSG 9000 (NSG-9K-CS-01):
1.4 Stream
Processing
Overview
The NSG 9000 accepts a GbE input, and outputs MPEG data over
QAM-RF signal. The following diagram shows the flow of data through the GbE channel.
NOTE:
The diagram shows the flow of data via a single Quadruple
QAM-RF module. NSG 9000 may include up to 9 Quadruple QAM modules.
Table 1-6: Environmental Specifications
Parameter
Description
Operating temperature
0 to 50 °C (32 to 122 °F)
Storage temperature
–20 to 80 °C (–4 to 176 °F)
Relative humidity
Maximum 95% non-condensing
Ventilation
If units are installed in a closed rack, the rack must be
ventilated to ensure proper cooling of the units. Ventilation
rate must be:
At least 1.0 cubic meter per minute (35 cubic feet per
minute) per NSG 9000 unit.
Ventilation rate must be at least 2.2 M
3
/min (78 CFM) per
NSG 9000 unit. This is the air flow through the unit while fans
operate at full speed.
