3Com Switch 4210 Series Getting Started page 10

10 C 1: P
HAPTER RODUCT
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I
NTRODUCTION
Rear panel
Figure 6 Rear panel of an Switch 4210 18-port PWR
(1)
(1) AC power socket
Side panel
Each Switch 4210 18-port PWR provides a security slot, through which you can
lock the device together with an irremovable object to prevent theft.
The security slot is located on the left side panel, as shown in Figure 7.
Figure 7 Security slot on left side panel of an Switch 4210 18-port PWR
(1): Security slot
If the left screw hole above the security slot is used, the security slot cannot be
used.
Power system
Switch 4210s 18-port PWR support AC input.
Rate voltage range: 100 VAC to 240 VAC, 50 Hz/60 Hz
■
Input voltage range: 90 VAC to 264 VAC, 47 Hz to 63 Hz
■
Switch 4210 PWR 18-Port units are able to power attached devices using standard
802.3af Power over Ethernet. Total available power for PoE on this model is
123W, enough to power 9-Ports at full 15.4W required of the PoE standard.
Cooling system
Switch 4210s 18-port PWR each run two fans for heat dissipation.
(1)
(2) Grounding screw
(2)