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Environmental
ranges
• Operating temperature: 32 to 113 F (0 to 45 C)
• Storage temperature: –13 to 158 F (–25 to 70 C)
• Operating relative humidity: 10–85% (non-condensing)
• Operating altitude: Up to 10,000 ft (3000 m)
• Storage altitude: Up to 15,000 ft (4500 m)
Power
requirements
• Power consumption: 30W (maximum), 102 BTUs per hour (Cisco Catalyst 2950SX-24, 2950-24.
2950-12)
• Power consumption: 45W (maximum), 154 BTUs per hour (Cisco Catalyst 2950T-48, 2950SX-48)
• AC input voltage: 100 to 127, 200 to 240 VAC (auto-ranging)
• AC input frequency: 47 to 63 Hz
• DC input voltages for Cisco RPS 675 and Cisco RPS 300: +12V at 4.5A
Acoustic noise
Predicted mean
time between
failure
ISO 7770, bystander position, operating to an ambient temperature of 86 F (30 C):
• WS-C2950-24, WS-C2950-12, WS-C2950SX-24: 46 dBa
• WS-C2950T-48-SI, WS-C2950SX-48-SI: 48 dBa
• 268,292 hours (Cisco Catalyst 2950-24)
• 318,440 hours (Cisco Catalyst 2950-12)
• 403,214 hours (Cisco Catalyst 2950SX-24)
• 268,876 hours (Cisco Catalyst 2950T-48-SI)
• 274,916 hours (Cisco Catalyst 2950SX-48-SI)
Regulatory Agency Approvals
Safety
certifications
• UL 60950/CSA 22.2 No. 950
• IEC 60950/EN 60950
• AS/NZS 3260, TS001
• CE Marking
Electromagnetic
emissions
certifications
• FCC Part 15 Class A
• EN 55022: 1998 (CISPR 22) Class A
• EN 55022: 1998 (CISPR 22)
• VCCI Class A
• AS/NZS 3548 Class A
• CE Marking
• CNS 13438 Class A
• CLEI Code
• MIC
Warranty • Lifetime limited warranty
Feature Description/Part Numbers