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3com 4500 Guide D’Installation Rapide

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Switch 4500 — Front View Detail
13
Summary of Hardware 
Features
Table 3 summarizes the hardware features that are supported by the Switch 4500.
Table 3   Hardware Features
Switch 4500 — Front 
View Detail
Figure 1   Switch 4500 26-Port — front view
Table 0-2   
Feature
Switch 4500
Addresses 
Up to 8,000 supported
Auto-negotiation
Supported on all non-SFP ports
Forwarding Modes
Store and Forward
Duplex Modes
Half and full duplex on all ports
Auto MDI/MDIX
Supported on all ports. If fiber SFP transceivers are 
used, Auto MDIX is not supported.
Flow Control
In full duplex operation all ports are supported
Traffic Prioritization
Supported (using the IEEE Std 802.ID, 1998 Edition): 
Eight traffic queues per port
Power over Ethernet
Supported on 10/100 ports (3CR17571-91 and 
3CR17572-91 only)
Ethernet and Fast Ethernet 
Ports
Auto-negotiating 10BASE-T/100BASE-TX ports 
Gigbait Ethernet Ports
Auto-neogotiating 10BASE-T/100BASE-TX/
 
1000BASE-T ports (3CR17561-91) only
SFP Ethernet Ports 
Supports fiber Gigabit Ethernet short-wave (SX), 
long-wave (LX), long-haul (LH70) and copper (T) 
transceivers in any combination.
RPS Supplemental 
PoE Power
Connects to -48v DC supply (3CR17571-91 and 
3CR17572-91 only)
Mounting
19-inch rack or stand-alone mounting
Unit LED
Console Port
Power LED
10/100BASE-TX Ports
Port Status LEDs
1000BASE-X
Combo Port
Pair
3CR17561-91 SuperStack 3 Switch 4500 26-Port
10/100/1000BASE-T
Combo Port Pair
1000BASE-X
10/100BASE-TX
10/100/1000BASE-T
Speed: (100Base-TX) Green = 100Mbps Yellow = 10Mbps (1000Base-X) Green = 1000Mbps Yellow = 10/100Mbps     Duplex: Green = Full Duplex, Yellow = Half Duplex
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