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Environmental Ranges • Operating temperature: 32 to 113 F (0 to 45 C)
• Storage temperature: –13 to 158 F (–25 to 70 C)
• Operating relative humidity: 10 to 85% (noncondensing)
• Operating altitude: Up to 10,000 feet (ft) (3049 meters [m])
• Storage altitude: Up to 15,000 ft (4573 m)
Acoustic Noise • International Organization for Standardization (ISO) 7779: bystander position
operating to an ambient temperature of 30 C
• Cisco Catalyst 3750G-24TS: 42 decibels (dB)
• Cisco Catalyst 3750G-24T: 42 dB
• Cisco Catalyst 3750G-12S: 42 dB
• Cisco Catalyst 3750-48TS: 42 dB
• Cisco Catalyst 3750-24TS: 42 dB
• Cisco Catalyst 3750-48PS: 42 dB
• Cisco Catalyst 3750-24PS: 42 dB
Mean Time Between
Failure (MTBF)
• 188,574 hours (Cisco Catalyst 3750G-24TS)
• 210,936 hours (Cisco Catalyst 3750G-24T)
• 215,000 hours (Cisco Catalyst 3750G-12S)
• 217,824 hours (Cisco Catalyst 3750-48TS)
• 294,928 hours (Cisco Catalyst 3750-24TS)
• 166,408 hours (Cisco Catalyst 3750-48PS)
• 209,170 hours (Cisco Catalyst 3750-24PS)
Table 3 Power Specifications
Description Specification
Power Consumption • 190W (maximum), 650 British thermal units (Btus) per hour (Cisco Catalyst 3750G-24TS)
• 165W (maximum), 536 Btus per hour (Cisco Catalyst 3750G-24T)
• 120W (maximum), 409 Btus per hour (Cisco Catalyst 3750G-12S)
• 50W (maximum), 171 Btus per hour (Cisco Catalyst 3750-24TS)
• 75W (maximum), 256 Btus per hour (Cisco Catalyst 3750-48TS)
• 495W (maximum), 426 Btus per hour (Cisco Catalyst 3750-24PS)
• 540W (maximum), 580 Btus per hour (Cisco Catalyst 3750-48PS)
AC Input Voltage
and Frequency
• 100 to 127/200 to 240 VAC (auto-ranging), 50 to 60 Hertz (Hz)
DC Input Voltages • RPS input
• +12 Volts (V) at 17A (Cisco Catalyst 3750G-24TS)
• +12V at 13A (Cisco Catalyst 3750G-24T and Catalyst 3750G-12S)
• +12V at 8.5A (Cisco Catalyst 3750-48 and Cisco Catalyst 3750-24)
• +12V at 7.5A (Cisco Catalyst 3750-48PS and Cisco Catalyst 3750-24PS)
Table 2 Hardware (Continued)
Description Specification
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