3 C O M
®
S U P E R S TA C K
®
3 S W I T C H 4 2 0 0 FA M I LY D ATA S H E E T
3Com Corporation, Corporate Headquarters, 5400 Bayfront Plaza, P.O. Box 58145, Santa Clara, CA 95052-8145
To learn more about 3Com solutions, visit www.3com.com. 3Com Corporation is publicly traded on Nasdaq under the
symbol COMS.
Copyright © 2002 3Com Corporation. All rights reserved. 3Com, the 3Com logo, and SuperStack are registered trade-
marks of 3Com Corporation. All other company and product names may be trademarks of their respective companies.
While every effort is made to ensure the information given is accurate, 3Com does not accept liability for any errors or
mistakes which may arise. All specifications are subject to change without notice.
400770-003 11/02
All information in this section is
relevant to all versions of the
SuperStack 3 Switch 4200 unless
stated otherwise.
Connectors
SuperStack 3 Switch 4226T:
24 auto-negotiating 10BASE-
T/100BASE-TX ports configured
as auto MDI/MDIX
Two auto-negotiating 10BASE-
T/100BASE-TX/1000BASE-T
ports configured as auto
MDI/MDIX
SuperStack 3 Switch 4250T:
48 auto-negotiating 10BASE-
T/100BASE-TX ports configured
as auto MDI/MDIX
Two auto-negotiating 10BASE-
T/100BASE-TX/1000BASE-T
ports configured as auto
MDI/MDIX
SuperStack 3 Switch 4228G:
24 auto-negotiating 10BASE-
T/100BASE-TX ports configured
as auto MDI/MDIX
Two auto-negotiating 10BASE-
T/100BASE-TX/1000BASE-T
ports configured as auto
MDI/MDIX
Two GBIC ports accommodating
1000BASE-SX, 1000BASE-LX,
1000BASE-T or 1000BASE-LH70
GBICs
All these switches have:
Advanced Redundant Power
System Type 2A connector
RS232 console port
Stacking
Up to four units high
Mix and match SuperStack 3
Switch 4226T (3C17300), Switch
4250T (3C17302) and Switch
4228G (3C17304)
Traffic Management
Two priority queues per port
IEEE 802.1p CoS
DiffServ
Performance
SuperStack 3 Switch 4226T:
8.8 Gbps switching capacity
6.6 million packets per second
Wirespeed performance
8,000 MAC addresses supported
SuperStack 3 Switch 4228G:
12.8 Gbps switching capacity
9.5 million packets per second
Wirespeed performance
8,000 MAC addresses supported
SuperStack 3 Switch 4250T:
13.6 Gbps switching capacity
10.1 million packets per second
Wirespeed performance
8,000 MAC addresses supported
Reliability
SuperStack 3 Switch 4226T
:
MTBF @ 40˚C: 465,570 hours
SuperStack 3 Switch 4250T:
MTBF @ 40˚C: 325,797 hours
SuperStack 3 Switch 4228G:
MTBF @ 40˚C: 328,618 hours
Dimensions
Height: 43.6 mm (1.7 in or 1U)
Width: 440 mm (17.3 in)
Depth: 274 mm (10.8 in)
Weight:
SuperStack 3 Switch 4226T:
2.4 kg (5.3 lb)
SuperStack 3 Switch 4250T:
2.8 kg (6.2 lb)
SuperStack 3 Switch 4228G:
2.4 kg (5.3 lb)
Environmental Requirements
Operating temperature:
0° to 40°C (32° to 104°F)
Storage Temperature:
-40° to +70°C (-40° to +158°F)
Operating Humidity:
10% to 90% relative humidity
noncondensing
Standards: EN60068 (IEC68)
Safety Agency Certifications
UL90950, EN60950, CSA2.2 No.
60950, IEC 60950
Emissions
EN55022 Class A, FCC Part 15
Subpart B Class A, ICES-003
Class A, VCCI Class A, AS/NZS
3548 Class A, CNS 13438 Class A
Immunity: EN55024
Heat Dissipation:
SuperStack 3 Switch 4226T
:
40 W maximum
(136 BTU/hr maximum)
SuperStack 3 Switch 4250T and
Switch 4228G:
60 W maximum
(205 BTU/hr maximum)
Power Supply
AC Line Frequency 50/60 Hz
Input Voltage 90-240 VAC
Current Rating:
2.3A maximum
SNMP Standards
SNMP Protocol (RFC 1157)
MIB-II (RFC 1213)
Bridge MIB (RFC 1493)
RMON MIB II (RFC2021)
Remote Monitoring MIB
(RFC 1757)
Interface MIB (2233)
MAU MIB (RFC 2668)
Management
3Com Network Supervisor
(trial copy provided on accom-
panying CD)
Web interface management
Command line interface
management
SNMP compatibility
Specifications
Ordering Information
3Com SuperStack 3 Switch 4226T 26-port
3C17300
24-port 10/100 plus two 10/100/1000 ports
3Com SuperStack 3 Switch 4250T 50-port
3C17302
48-port 10/100 plus two 10/100/1000 ports
3Com SuperStack 3 Switch 4228G 28-port 3C17304
24-port 10/100 plus two 10/100/1000 ports
and two GBIC ports (GBICs sold separately)
Software
SuperStack 3 Switch 4200 Family
v2.0
Advanced Software
3C17303
For units running earlier versions to upgrade
to version 2.0 features
GBICs
3Com SX GBIC
3CGBIC91
3Com LX GBIC
3CGBIC92
3Com 1000BASE-T GBIC
3CGBIC93
3Com LH70 (70km) GBIC
3CGBIC97
Optional Modules and Accessories
3Com SuperStack 3 Advanced
Redundant Power System
3C16071B
3Com SuperStack 3 Advanced
RPS Type 2A module
3C16074A
