Canton 3C16476CS Manual De Usuario

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1
I
NTRODUCING
 
THE
 B
ASELINE
 S
WITCH
This chapter provides an overview of the features and 
capabilities of the 3Com
®
 Baseline Switch 2250 Plus. 
It also identifies the contents of the Switch package 
and helps you get to know the physical features of 
the device.
Overview of the Baseline Switch 2250 Plus
The 3Com® Baseline Switch 2250 Plus is a versatile, 
easy-to-use unmanaged switch. It is ideal for users 
who want the high-speed performance of 10/100 
switching with the added functionality of Gigabit 
links but do not need sophisticated management 
capabilities.
The Switch is shipped ready for use. No configuration 
is necessary, unless you want to configure advanced 
features such as VLAN support and link aggregation.
Features and Capabilities
The Switch has 48 shielded RJ-45, 10/100 Mbps 
auto-negotiating ports and two 10/100/1000BASE-T 
ports that operate in conjunction with two Small 
Form Factor Pluggable (SFP) transceiver slots on the 
front panel. Use these SFP transceiver slots for easy, 
flexible connection to fiber-based Gigabit media. 
While there are four physical Gigabit ports, only a 
maximum of two can be operational at any given 
time.
Autosensing of MDI/MDIX Connections
All ports on the Switch can autosense both medium 
dependent interface (MDI) and medium dependent 
interface crossover (MDIX) connections. This allows 
you to connect network devices to each port using 
either a normal straight-through TP (twisted pair) 
cable or a ‘crossover’ TP cable. 
Any port can therefore be used to connect to another 
switch port, server, or workstation without additional 
configuration.
Autonegotiating 10/100 Mbps Ports
Each 10/100 Mbps port automatically determines the 
speed and duplex mode of the connected equipment 
and provides a suitable switched connection. The 
1000BASE-T ports also support automatic 
10/100/1000 Mbps speed detection. 
The 10/100 Mbps connections on these 1000BASE-T 
ports can operate in either half-duplex or full-duplex 
mode. 1000 Mbps connections, on the other hand, 
only operate in full duplex mode.