3Com 4210 Getting Started page 11

Figure 7 Security slot on left side panel of a Switch 4210 18-port PWR
(1): Security slot
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If the left screw hole above the security slot is used, the security slot cannot be
used.
Power system
Switch 4210 18-port PWR units support AC input.
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Switch 4210 PWR 18-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
135W; enough to power 8-Ports at full 15.4W required of the PoE standard.
Cooling system
Switch 4210s 18-port PWR each run two fans for heat dissipation.
Switch 4210 PWR Front panel
26-port
The Switch 4210 26-port PWR model provides 24 10/100Base-TX autosensing
Ethernet ports, two 10/100/1000Base-T Ethernet ports, two 100/1000Base SFP
ports, and one Console port. Each SFP port and the corresponding
10/100/1000BASE-T Ethernet port form a Combo port. For each Combo port, you
can use either the SFP port or the corresponding 10/100/1000BASE-T Ethernet
port at one time.
Figure 8 shows the front panel of the Switch 4210 26-port PWR model.
(1)
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
Introduction to the Switch 4210 Family PWR Switches 11