3Com 4210 52-PORT, 4210 PWR 18-PORT Switch 4210 26-port PWR units support AC input or DC input

12CHAPTER 1: PRODUCT INTRODUCTION

Figure 8 The Switch 4210 26-port PWR model’s front panel

(1) (2) (3) (4)

	(8)	(7) (6) (5)
(1)	10/100Base-TX autosensing Ethernet port status LED
(2)	Link LED for Combo port	(3)	Console port
(4)	Power LED (PWR)	(5) A/L LED
(6)	D/S LED	(7)	Mode button
(8)	Active LED for Combo port

Rear panel

Figure 9 Rear panel of a Switch 4210 26-port PWR

(1) (2) (3)

(1) AC power socket (2) DC power socket

(3) Grounding screw

	Power system
	Switch 4210 26-port PWR units support AC input or DC input.
	■ AC input
	■ Rated voltage range: 100 VAC to 240 VAC, 50 Hz/60 Hz
	■ Input voltage range: 90 VAC to 264 VAC, 47 Hz to 63 Hz
	■ DC input—Rated voltage range: -52 VDC to -56 VDC
n	Switch 4210 PWR 26-Port units are able to power attached devices using standard
	802.3af Power over Ethernet. The total available power for PoE on this model is
	370W; enough to power 24-Ports at full 15.4W required of the PoE standard.
	3Com recommends a Redundant Power System (RPS) from Eaton Powerware for
	providing DC power to the Switch 4210 PWR 26-Port. For full details, refer to
	www.3com.com/rps.
	Cooling system
	Switch 4210 26-port PWR units each run four fans for heat dissipation.