Installation guide

Appendix A Technical Specifications
A-2
Catalyst 3550 Multilayer Switch Hardware Installation Guide
78-11358-06
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)
2.0 A/1.0 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
Table A-1 Switch Environmental and Physical Specifications (continued)