Cisco 3750-48TS - Catalyst Switch - Stackable Manuel d'utilisateur télécharger pdf (Page 13)

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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

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 19 20 21

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