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Appendix A Specifications
Catalyst 4900 Series Switch Specifications
A-4
Catalyst 4900 Series Switch Installation Guide
78-18039-02
Power supply output 300 W
AC-input 4 A maximum @ 100 VA C
2 A maximum @ 240 VA C
AC frequency 50 to 60 Hz
Output current 25 A max
Peak current 4 A max @ 100 VAC
2 A max @ 240 VAC
Inrush value 20 A for one cycle of AC
Output voltage 12 V
Input KVA rating 0.375 KVA
DC Power
Minimum input –40.5 VDC
Power supply output 300 W
DC-input 8 A @ –48 to –60 VDC
Output current 25 A max
Peak current 8 A @ –48 to –60 VDC
Inrush value Cold turn on (PSU off for > 1 hour) – 45 A
Hot turn on (PSU on for > 1 hour) – 90 A
Output voltage 12 V
Input KVA rating 0.4 KVA
Table A-4 Catalyst 4900 Series Switch Specifications (continued)
Item Specification