A-1
Cisco CGS 2520 Hardware Installation Guide
OL-31444-01
APPENDIX
 
A
Technical Specifications
This appendix contains the following topics:
 • Switch Specifications, page A-1
 • Power Supply Module Specifications, page A-4
Switch Specifications 
Table A-1 Environmental and Physical Specifications
Environmental Ranges
Operating temperature –40 to 140°F (–40 to 60°C)
1
1. The maximum operating temperature of the switch varies depending on the type of SFP module that you use. See Table 1-2 
on page 1-6 for information on the supported temperature ranges for the SFPs.
Storage temperature –40 to 185°F (–40 to 85°C)
Relative humidity 5 to 95% (noncondensing)
Operating altitude Up to 10,000 ft (3049 m)
Storage altitude Up to 15,000 ft (4570 m)
Thermal spacing 1.75 in. (4.4 cm)
Operating shock 30 g at 11 ms 
Physical Specifications
Weight: 
Cisco CGS-2520-24TC 
Cisco CGS-2520-16S-8PC
 
9.1 lb (4.1 kg) (no power supply module) 
10 lb (4.5 kg) (no power supply module) 
Dimensions (H x D x W): 
Cisco CGS-2520-24TC  
Cisco CGS-2520-16S-8PC
 
1.75 x 17.5 x 14.0 in. (4.45 x 44.5 x 35.6 cm) 
1.75 x 17.5 x 14.0 in. (4.45 x 44.5 x 35.6 cm)