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Cisco WS-C4900M Manual Page 156

Scalable, intelligent lan switching for campus, branch, and data center networks of all sizes.
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Fixed Switches: Cisco Nexus 3000 Series
Hardware Features
Description
Power
Cooling
Environment
Nexus 3016 Switch
Physical
Performance
156
156
Specification
Number of power supplies
Typical operating power
Maximum power
Input voltage
Frequency
Power supply efficiency
Typical heat dissipation
Maximum heat dissipation
• Forward and reversed airflow schemes
• Forward airflow: Port-side exhaust (air enters through fan-tray and power supplies and exits
through ports)
• Reversed airflow: Port-side intake (air enters through ports and exits through fan tray and
power supplies)
• Single fan tray with redundant fans
• Hot swappable (must swap within 1 minute)
Dimensions (height x width
x depth)
Weight
Operating temperature
Storage temperature
Operating relative humidity
Storage relative humidity
Altitude
• 1RU fixed form-factor switch
• 16 QSFP ports; each supports native 40 Gigabit Ethernet and 4 x 10 Gigabit Ethernet
modes
• 2 redundant power supplies
• 1 fan tray with redundant fans
• 1 I/O module with management, console, and USB flash memory ports
• 1.28-Tbps switching capacity
• Forwarding rate of 960 mpps
• Line-rate traffic throughput (both Layer 2 and 3) on all ports
• Configurable maximum transmission units (MTUs) of up to 9216 bytes (jumbo frames)
2 (redundant)
120 watts (W) (48p of 1G and 4p of 10G/SR at 100% load,
with 2 power supply units [PSUs])
124 Watts
100 to 240 VAC
50 to 60 Hz
89 to 91% at 220V
409 BTU/hr (48p of 1G and 4p of 10G/SR at 100% load, with
2 PSUs)
423 BTU/hr
1.72 x 17.3 x 19.7 in. (4.4 x 43.9 x 50.5 cm)
20.5 lb (9.3 kg)
32 to 104° F (0 to 40°C)
-40 to 158° F (-40 to 70°C)
• 10 to 85% noncondensing
• Up to 5 days at maximum (85%) humidity
• Recommend ASHRAE data center environment
5 to 95% noncondensing
0 to 10,000 ft (0 to 3000m)

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