3Com 3C17300 About the Switch, Feature, Switch 4200 Series, Addresses, Auto-negotiation, Gbic

12CHAPTER 1: INTRODUCING THE SUPERSTACK 3 SWITCH 4200 SERIES

About the Switch	The Switch 4200 Series are stackable 10/100/1000 Mbps devices which
4200 Series	consists of:
	■ 24 or 48 10BASE-T/100BASE-TX ports
	■	2	10/100/1000BASE-T ports
	■	2	GBIC ports (Switch 4228G only)

The Switch provides high-performance workgroups with a backbone to server connection. You can also add the Switch 4200 Series 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 Series.

Table 3 Hardware features

Feature	Switch 4200 Series
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 GBIC ports
Flow Control	In full duplex operation all ports are supported
Smart Auto-sensing	Supported on all ports except GBIC ports which are
	single speed ports.
	Smart auto-sensing allows auto-negotiating ports to
	monitor and detect a high error rate on a link, or a
	problem in the "physical" interconnection to
	another port and react accordingly.
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
GBIC	Auto-negotiating GBIC ports (Switch 4228G only)
RPS Support	Connects to SuperStack Advanced Redundant
	Power System (ARPS) (3C16071, 3C16071A or
	3C16071B)
Mounting	19-inch rack or stand-alone mounting