Appendix A Reference
Technical Specifications
A-2
User Guide for the Catalyst Express 520 Switches
OL-12761-02
Technical Specifications
This section lists the switch technical specifications in Table A-1.
Table A-1 Specifications for the Catalyst Express Switches
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)
Power Requirements
AC input voltage Catalyst Express 520-8PC-K9:
100 to 240 VAC, 2.5 to 1.3 A (autoranging), 50 to 60 Hz
Catalyst Express 520-24TT-K9:
100 to 240 VAC, 1.3 to 0.8 A (autoranging), 50 to 60 Hz
Catalyst Express 520-24LC-K9:
100 to 240 VAC, 2 to 1 A (autoranging), 50 to 60 Hz
Catalyst Express 520-24PC-K9:
100 to 240 VAC, 8 to 4 A (autoranging), 50 to 60 Hz
Catalyst Express 520G-24TC-K9:
100 to 240 VAC, 1.3 to 0.8 A (autoranging), 50 to 60 Hz
DC input voltages for RPS 675
1
+12 V @14 A, –48 V @7.8 A
Power consumption Catalyst Express 520-8PC-K9: 204 W or 696 BTUs per hour
Catalyst Express 520-24TT-K9: 30 W or 102 BTUs per hour
Catalyst Express 520-24LC-K9: 110 W or 375 BTUs per hour
Catalyst Express 520-24PC-K9: 460 W or 1570 BTUs per hour
Catalyst Express 520G-24TC-K9: 45 W or 154 BTUs per hour
Power dissipation Catalyst Express 520-8PC-K9: 80 W or 272 BTUs per hour
Catalyst Express 520-24TT-K9: 30 W or 102 BTUs per hour
Catalyst Express 520-24LC-K9: 45 W or 153 BTUs per hour
Catalyst Express 520-24PC-K9: 90 W or 307 BTUs per hour
Catalyst Express 520G-24TC-K9: 45 W or 153 BTUs per hour
