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12 CHAPTER 1: PRODUCT INTRODUCTION
Figure 8 The Switch 4210 26-port PWR model’s front panel
Rear panel
Figure 9 Rear panel of a Switch 4210 26-port PWR
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.
(1) (2) (3) (4)
(5)(6)(7)(8)
(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
(1) (2) (3)
(1) AC power socket (2) DC power socket
(3) Grounding screw