3Com 2900 manual 3Com Baseline Switch 2928-HPWR Plus

3Com Baseline Switch 2928-HPWR Plus

Front Panel

Figure 1-93Com 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 1-103Com 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

zAC 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

zDC power input

Rated voltage range: –52 VDC to –55 VDC

1-7