S5120-28p-hpwr-si, Front panel, Rear panel – H3C Technologies H3C S5120 Series Switches User Manual
Page 18: Power supply system

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S5120-28P-HPWR-SI
Front panel
Figure 15 S5120-28P-HPWR-SI front panel
(1) 10/100/1000Base-T auto-sensing Ethernet port
(2) Port status LED mode switching button
(3) RPS status LED (RPS)
(4) Port status LED
(5) Power LED (Power)
(6) Port mode LED
(7) Console port
(8) Port 1000Base-X SFP interface
Rear panel
Figure 16 S5120-28P-HPWR-SI rear panel
(1) Screw hole of the plug
(2) AC receptacle
(3) Grounding screw
(4) DC power receptacle
Power supply system
The H3C S5120-28P-HPWR-SI can adopt AC power input, or DC power input, or both to provide backup
•
AC power input:
Rated voltage range: 100 VAC to 240 VAC, 50 Hz or 60 Hz
Input voltage range: 90 VAC to 264 VAC, 47 Hz or 63 Hz
•
DC power input
Rated voltage range: –52 VDC to –55 VDC