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3Com Baseline Switch 2928-HPWR Plus
Front Panel
Figure 1-9 3Com Baseline Switch 2928-HPWR Plus 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 1-10 3Com Baseline Switch 2928-HPWR Plus rear panel
(1) Screw hole of the plug (2) AC receptacle
(3) Grounding screw (4) DC power receptacle
Power Supply System
The 3Com Baseline Switch 2928-HPWR Plus can adopt AC power input, or DC power input, or both to
provide backup
z 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
z DC power input
Rated voltage range: –52 VDC to –55 VDC