3Com 3 manual About the Switch, Family

12CHAPTER 1: INTRODUCING THE SUPERSTACK 3 SWITCH 4200 FAMILY

About the Switch	The Switch 4200 Family are stackable 10/100/1000 Mbps devices which
4200 Family	consist of:
	■ 24 or 48 10BASE-T/100BASE-TX ports
	■	2	10/100/1000BASE-T ports
	■	2	SFP ports (Switch 4200 28-Port only)

The Switch provides high-performance workgroups with a backbone to server connection. You can also add the Switch 4200 Family to any SuperStack® system as your network grows.

Summary of Table 3 summarizes the hardware features that are supported by the Hardware Features Switch 4200 Family.

Table 3 Hardware features

Feature	Switch 4200 Family
Addresses	■ Up to 8000 supported
	■ Up to 64 permanent entries
Auto-negotiation	■ Supported on all ports
	■ Auto MDI/MDI-X
Forwarding Modes	Store and Forward
Duplex Modes	Half and full duplex on all 10/100 ports. Full duplex
	on 1000BASE-T ports and full duplex on SFP ports
Flow Control	In full duplex operation all ports are supported
Smart Auto-sensing	Supported on all ports except SFP ports which are
	single speed ports.
Traffic Prioritization	Supported (IEEE 802.ID): 2 queues per port
Ethernet and Fast Ethernet	Auto-negotiating 10BASE-T/100BASE-TX ports
Ports
Gigabit Ethernet	Auto-negotiating 10/100/1000BASE-T ports
SFP Gigabit Ethernet Ports	Supports fiber Gigabit Ethernet short-wave (SX),
	long-wave (LX), long-haul (LH70) and copper (T)
	transceivers in any combination (Switch 4200
	28-Port only)
Mounting	19-inch rack or stand-alone mounting