Appendix A Technical Specification - Cisco Catalyst 3550 Hardware Installation Manual

Table A-2
Power Requirements
AC input voltage
DC input voltages for
RPS 300
Power Requirements
DC input voltages for
RPS 675
Power consumption
Table A-3
Power Requirements
AC input voltage
DC input voltages for RPS 300
DC input voltages for RPS 675
Power consumption
Table A-4
Power Requirements
Power consumption
DC input voltage
DC input voltages for RPS 675
Wire gauge for power connection 18 AWG (6 AWG for protective earth)
Branch circuit protection
Catalyst 3550 Multilayer Switch Hardware Installation Guide
A-2
Power Requirements for the Catalyst 3550-12T, 3550-12G, 3550-24, 3550-24-FX, and
3550-48 Switches
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
Catalyst 3550-12T and 3550-12G:
Catalyst 3550-24:
Catalyst 3550-24-FX:
Catalyst 3550-48:
+12 V
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
Power Requirements for the Catalyst 3550-24PWR Switch
100 to 127 / 200 to 240 VAC (autoranging)
5.5 A / 2.8 A, 50 to 60 Hz
+12 V@7.5 A,
+12 V
525 W, 1790 Btus per hour
Power Requirements for the Catalyst 3550-24-DC
55 W, 190 Btus per hour
–36 to –72 VDC
+12 V
5 A
+12 V @8.5 A
+12 V @8.5 A
+12 V @13 A
@25 A
–48 V@7.8 A
@25 A, –48 V@7.8 A
@13 A
Appendix A Technical Specifications
+12 V @13 A
OL-6155-01