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Technical Specifications
Table 23: DC power supply (continued)
Power generated (maximum)
Power dissipated (maximum)
Table 24: Environmental Specifications
Operating temperature
Storage temperature
Operating humidity
Operational shock
Fan Module Specifications
Five fan modules can be installed at the rear of the chassis and all five are mandatory. Each fan module
contains two 80 mm fans. The chassis is designed for front-to-back airflow.
Fan module technical specifications:
Physical specifications
Height:
Width:
Depth:
Weight:
Electrical specifications
Thermal rating:
MTBF rating:
Power dissipated
9920-16C Module Specifications
Eight 9920-16C interface modules can be installed in the chassis.
9920-16C interface module specifications:
Physical specifications
Height:
Width:
1,600 watts
461 watts
0°C to 50°C (normal operation)
-40°C to 70°C
85% relative humidity, non-condensing at 30C
30 m/s2 (3 G)
3.23 in. (8.2 cm)
3.23 in. (8.2 cm)
3.62 in. (9.2 cm)
0.6kg (1.3 lbs)
Maximum
Typical
1.58 inches (4.0 cm)
6.7 inches (17.0 cm)
9920 Network Packet Broker Hardware Installation Guide
Fan Module Specifications
204.72 BTU/hour
329,447 hours @ 30°C
60 watts
16.66 watts
63
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