Catalyst 3550 Multilayer Switch Hardware Installation Guide, October 2004
Technical Specifications
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Technical Specifications

Table Of Contents

Technical Specifications


Technical Specifications


This appendix lists the switch technical specifications in Table A-1 to Table A-5.

Table A-1 Switch Environmental and Physical Specifications 

Environmental Ranges

Operating temperature

32 to 113° F (0 to 45° C)

Storage temperature

-13 to 158° F (-25 to 70° C)

Relative humidity

10 to 85% (noncondensing)

Operating altitude

Up to 10,000 ft (3049 m)

Storage altitude

Up to 15,000 ft (4573 m)

Physical Specifications

Weight

Catalyst 3550-12T and 3550-12G: 16 lb (7.26 kg)

Catalyst 3550-24: 11 lb (5 kg)

Catalyst 3550-24-DC and 3550-24-FX:
10.5 lb (4.8 kg)

Catalyst 3550-24PWR: 14 lb (6.35 kg)

Catalyst 3550-48: 13 lb (5.9 kg)

Physical Specifications

Dimensions (H x D x W)

Catalyst 3550-12T and 3550-12G:
2.63 x 15.9 x 17.5 in. (6.68 x 40.39 x 44.45 cm)

Catalyst 3550-24 and 3550-24-DC:
1.75 x 14.4 x 17.5 in. (4.45 x 36.58 x 44.45 cm)

Catalyst 3550-24-FX and 3550-48:
1.75 x 16.25 x 17.5 in. (4.45 x 41.28 x 44.45 cm)

Catalyst 3550-24PWR:
1.73 x 17.35 x 17.5 in. (4.4 x 44 x 44 cm)


Table A-2 Power Requirements for the Catalyst 3550-12T, 3550-12G, 3550-24, 3550-24-FX, and 3550-48 Switches 

Power Requirements

AC input voltage

Catalyst 3550-12T and 3550-12G:
100 to 127/200 to 240 VAC (autoranging)
2 A/1 A, 50 to 60 Hz

Catalyst 3550-24, 3550-24-FX, and 3550-48:
100 to 127/200 to 240 VAC (autoranging)
1.6 A/0.9 A, 50 to 60 Hz

DC input voltages for RPS 300

Catalyst 3550-12T and 3550-12G: +12 V@13 A

Catalyst 3550-24: +12 V@8.5 A

Catalyst 3550-24-FX: +12 V@8.5 A

Catalyst 3550-48: +12 V@13 A

Power Requirements

DC input voltages for RPS 675

+12 V@25 A

Power consumption

Catalyst 3550-12T and 3550-12G: 190 W, 650 Btus per hour

Catalyst 3550-24: 65 W, 222 Btus per hour

Catalyst 3550-24-FX: 85 W, 290 Btus per hour

Catalyst 3550-48: 110 W, 375 Btus per hour


Table A-3 Power Requirements for the Catalyst 3550-24PWR Switch 

Power Requirements

AC input voltage

100 to 127 / 200 to 240 VAC (autoranging)
5.5 A / 2.8 A, 50 to 60 Hz

DC input voltages for RPS 300

+12 V@7.5 A, -48 V@7.8 A

DC input voltages for RPS 675

+12 V@25 A, -48 V@7.8 A

Power consumption

525 W, 1790 Btus per hour


Table A-4 Power Requirements for the Catalyst 3550-24-DC 

Power Requirements

Power consumption

55 W, 190 Btus per hour

DC input voltage

-36 to -72 VDC

DC input voltages for RPS 675

+12 V@13 A

Wire gauge for power connection

18 AWG (6 AWG for protective earth)

Branch circuit protection

5 A


Table A-5 Fiber-Port Specifications for Catalyst 3550-24-FX Switches 

Fiber-Port Power Levels
 

Optical transmitter wavelength

1300 nm1

Optical receiver sensitivity for 50/125-micron cabling

-33.5 to -11.8 dBm2

Optical receiver sensitivity for 62.5/125-micron cabling

-33.5 to -11.8 dBm

Optical transmitter power for 50/125-micron cabling

-23.5 to -14 dBm

Optical transmitter power for 62.5/125-micron cabling

-20 to -14 dBm

1 nm = nanometers

2 dBm = decibel milliwatt