3com 4210 PWR 26-PORT User Manual

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RODUCT
 I
NTRODUCTION
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