3com 4070 Quick Setup Guide
About the 3Com Switch 40x0 Family
13
Summary of
Hardware Features
summarizes the hardware features that are supported by the
Switch 40x0.
Table 3 Hardware features
Feature
3Com Switch 40x0 Family
Addresses
Up to 12,000 supported
Up to 64 permanent entries
Forwarding Modes
Store and Forward
Duplex Modes
■
Half duplex only supported on
10BASE-T/100BASE-TX/1000BASE-T Mbps ports in
10/100 Mbps mode
10BASE-T/100BASE-TX/1000BASE-T Mbps ports in
10/100 Mbps mode
■
All 1000 Mbps ports are full duplex only
Flow Control
Supported on all ports
Smart auto-sensing
■
Supported on all 10BASE-T/100BASE-TX/1000BASE-T
ports.
ports.
■
Not supported on 1000BASE-SX, GBIC and SFP ports.
Traffic Prioritization
Supported (IEEE Std 802.1D, 1998 Edition)
Four traffic queues per port
Fast Ethernet and
Gigabit Ethernet Ports
Gigabit Ethernet Ports
Auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T,
1000BASE-SX, GBIC and SFP ports
1000BASE-SX, GBIC and SFP ports
Mounting
19-inch rack or stand-alone mounting
Layer 3 Switching
Support for wire-speed IP routing
Replaceable PSUs
Replaceable PSU and slot for optional second replaceable
PSU
PSU
Hot Swap Fans
Two identical hot swap fan trays are fitted
XRN Support
eXpandable Resilient Networking (XRN) support. Allows
interconnection of two units to create a Distributed
Fabric.
interconnection of two units to create a Distributed
Fabric.
DUA1770-9AAA04.book Page 13 Monday, April 14, 2003 11:33 AM