3com 3CR17662-91 Manual Do Utilizador

HAPTER

1: I

NTRODUCING

THE

WITCH

4200G F

AMILY

About the Switch
4200G

The Switch 4200G Family are mixed media devices which consist of:

■

12, 24 or 48 10/100/1000BASE-T ports

■

Four 1000BASE-X SFP ports

■

One option module slot for a 10 Gigabit Ethernet port module on the
Switch 4200G 12-Port. Requires an optional XFP.

■

Two option module slots for a 10 Gigabit Ethernet port module on the
Switch 4200G 24-Port and the Switch 4200G 48-Port. Requires an
optional XFP.

■

One RJ-45 connector for serial management

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

system as your network grows.

For information about using the software features of the Switch, refer to
the “Command Reference Guide” and the “Configuration Guide” on the
CD-ROM that accompanies the Switch.

Summary of

Hardware Features

Table 3 summarizes the hardware features that are supported by the
Switch 4200G.

Table 3 Hardware Features

Feature

Switch 4200G

Addresses

Up to 8,000 supported

Auto-negotiation

Supported on all ports

Forwarding Modes

Store and Forward

Duplex Modes

Half and full duplex on all front panel 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

Ethernet, Fast
Ethernet, and Gigabit
Ethernet Ports

Auto-negotiating 10/100/1000BASE-T ports

SFP Ethernet Ports

Supports fiber Gigabit Ethernet long-wave (LX),
long-haul (LH70) and copper (T) transceivers in any
combination.

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