3com 4400 (3C17204) User Manual

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C
HAPTER
 1: I
NTRODUCING
 
THE
 S
UPER
S
TACK
3 S
WITCH
 4400
About the Switch 
4400 
The Switch 4400 is a stackable 10/100 Mbps Ethernet switch and 
provides high-performance workgroups with a backbone to server 
connection. The Switch 4400 allows Cascade, Gigabit Ethernet or Fast 
Ethernet Fiber connections when expansion modules are installed in the 
expansion slots on the rear of the unit. You can also add the Switch 4400 
to any SuperStack
®
 system as your network grows. 
The Switch 4400 PWR (3C17205) supports Power over Ethernet on all 
front panel ports. If you plug in a compatible (IEEE 802.3af compliant) 
device, it will be automatically detected and power supplied to it. Power 
over Ethernet is enabled on each port by default.
The Switch 4400 FX (3C17210) has 24 100BASE-FX MT-RJ ports. These 
allow easy connection of 100 Mbps fiber-optic links.
Summary of
Hardware Features
Table 3 summarizes the hardware features that are supported by the 
Switch 4400.
Table 3   Hardware features
Feature
Switch 4400 
Addresses 
Up to 8000 supported
Up to 64 permanent entries
Auto-negotiation
Supported on all ports
Auto MDI/MDI-X (not 3C17210)
Forwarding Modes
Store and Forward
Duplex Modes
Half and full duplex on all front panel ports
Flow Control
In full duplex operation all ports are supported
Smart Auto-sensing
Supported on all ports
Traffic Prioritization
Supported (using the IEEE Std 802.ID, 1998 Edition): 
4 queues per port
Power over Ethernet
Supported on all front panel ports (3C17205 only).
Ethernet and Fast Ethernet 
Ports
Auto-negotiating 10BASE-T/100BASE-TX ports or 
100BASE-FX ports (3C17210)
RPS Support
Connects to SuperStack 3 Advanced Redundant 
Power System (ARPS) (3C16071B)
Mounting
19-inch rack or stand-alone mounting
Stacking
All Switch units in the stack can be managed as a 
single entity with one IP address
DUA1720-3AAA07.book  Page 14  Wednesday, March 17, 2004  1:14 PM