3Com 4200G Series, Руководство по началу работы

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14 C
HAPTER
1: I
NTRODUCING THE
S
WITCH
4200G F
AMILY
About the Switch
4200G
The Switch 4200G Family products include mixed media devices that
consist of:
■
12, 24, or 48 10/100/1000BASE-T ports
■
Four 1000BASE-X SFP ports
■
One optional module slot for a 10 Gigabit Ethernet port module on
the Switch 4200G 12-Port unit. This requires an optional XFP.
■
Two optional module slots for a 10 Gigabit Ethernet port module on
the Switch 4200G 24-Port and 48-Port units. This 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.The Switch 4200G PWR 24-Port provides
similar Ethernet functionality to other family models with the added
benefit of IEEE 802.3af Power over Ethernet.
For information about using the switch’s software features, refer to the
“Command Reference Guide” and the “Configuration Guide”
available in
PDF format on 3Com’s Web site at www.3com.com.
Summary of
Hardware Features
Table 2 summarizes the Switch 4200G’s hardware features.
Table 2 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.
10014914_AB_Switch 4200G.book Page 14 Tuesday, October 2, 2007 12:13 PM