Appendix A Technical Specifications
Power Supply Module Specifications
Table A-3 Power Specifications for AC Power 24- and 48-Port Switches (continued)
Total input BTU1 | PWR-C2-1025WAC: 3801 BTUs per hour, 1114 W |
| PWR-C2-640WAC: 2371 BTUs per hour, 695 W |
| PWR-C2-250WAC: 945 BTUs per hour, 277 W |
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Total output BTU1 | PWR-C2-1025WAC: 3497 BTUs per hour, 1025 W |
| PWR-C2-640WAC: 2183 BTUs per hour, 640 W |
| PWR-C2-250WAC: 853 BTUs per hour, 250 W |
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1.The total input and total output BTU ratings refer to input power to the power supply and output power to the switch. The BTU ratings are based on 100 VAC for the 250-W and 640-W power supplies and 115 VAC for the 1100-W power supply.
Table A-4 | Power Specifications for DC-Power 24- and 48-Port Switches |
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Power Specifications | |
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Maximum output power | PWR-C2-640WDC: 640 W |
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Input current | | PWR-C2-640WDC: 21–10.5 A |
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DC input voltage | PWR-C2-640WDC: –36 to –72 VDC |
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Output ratings | | PWR-C2-640WDC: +12 V @ 20.83 A, –54 V@7.36 A |
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Voltage range domestic | PWR-C2-640WDC: –36 VDC (minimum) |
| | –48 VDC (nominal), –72 VDC (maximum) |
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Voltage range international | PWR-C2-640WDC: –36 VDC (minimum) |
| | –60 VDC (nominal), –72 VDC (maximum) |
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Total input BTU1 | PWR-C2-640WDC 2444 BTUs per hour, 719 W |
Total output BTU1 | PWR-C2-640WDC: 2188 BTUs per hour, 640 W |
Wire gauge for ground connection | PWR-C2-640WDC: 12 AWG or 8 AWG |
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Branch circuit protection | PWR-C2-640WDC: 25 A |
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1.The total input and total output BTU ratings refer to input power to the power supply and output power to the switch. The BTU ratings are based on –48 VDC (nominal).
Catalyst 3650 Switch Hardware Installation Guide
