Cisco DIN Rail mountable 24V power supply PWR-2955-AC= Scheda Tecnica

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Environmental ranges
• Recommended operating temperature range: –40  to 140 F (–40  to 60 C)
• Recommended storage temperature range: –40  to 185 F (–40  to 85 C)
• Operating relative humidity: 10 to 95% (noncondensing)
• Operating altitude: 9843 ft (3000 m) @ 104 F (40 C)
• Storage altitude: Up to 29,500 ft (9000 m)
• Shock: 50 g trapezoidal shock (meets or exceeds ASTM D3332)
• Vibration: 500 Hz (meets or exceeds MIL-STD-810, Method 514.4)
Power requirements
• External 24V (dual-redundant DC input, screw-down connectors)
• Power consumption: 23W maximum, 78.53 BTU/hour
• 18V minimum; 32V maximum
Predicted mean time between
failure (MTBF)
• WS-C2955T 235,022 hours
• WS-C2955C 206,378 hours
• WS-C2955S 205,115 hours
• Telcordia SR-332 Gf
Fiber port specifications
• 100BASE-FX (MT-RJ connectors @ 1,300 nm):
– Optical receiver sensitivity: -30 dBm
– Optical transmitter power: -19 to -14 dBm
– Maximum distance: 2 km
• 100BASE-LX (LC connectors @ 1,300 nm):
– Optical receiver sensitivity: -38 to -31 dBm
– Optical transmitter power: -15 to -8 dBm
– Maximum distance: 15 km
Regulatory Agency Approvals
Safety certifications
Hazardous locations
• CE Marking
• UL 60950
• CSA 22.2/60950
• TUV GS: CB Report to IEC 60950
• UL 508
• CSA 22.2/142
• AS/NZS 3260
• NOM
• UL 1604—Class I, Div 2 Group A, B, C, D
• CSA 22.2/213—Class 1, Div 2 Group A, B, C, D
• EN 50021—Class I, Zone 2
Table 2
Product Specifications
Feature
Description