3com Baseline Switch 2426-PWR Plus 3C16491-UK Data Sheet

3COM

®

BASELINE SWITCH 2426-PWR PLUS

3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-3064
3Com is publicly traded on NASDAQ under the symbol COMS.

Copyright © 2006 3Com Corporation. All rights reserved. 3Com and the 3Com logo are registered trademarks 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. 

401005-001  10/06

3Com Baseline Switch 2426-PWR Plus

3C16491

Transceivers

3Com 1000BASE-SX SFP

3CSFP91

3Com 1000BASE-LX SFP

3CSFP92

CONNECTORS
26 total available ports, comprised of:
24 auto-negotiating 10BASE-T/
100BASE-TX configured as auto
MDI/MDIX
2 dual-personality Gigabit port pairs,
configurable as 10BASE-T/100BASE-TX/
1000BASE-T or SFP

PERFORMANCE
8.8 Gbps switching capacity, max.
6.6 Mpps forwarding rate, max.
Wirespeed performance across ports 
Store-and-forward switching

LAYER 2 SWITCHING
4,096 MAC addresses in address table
64 Port-based VLANs (IEEE 802.1Q)
Manual link aggregation: 2 10/100
trunks with 4 ports per trunk, max.; 
additional trunk for SFP ports
Auto-negotiation of port speed and
duplex
IEEE 802.3x full-duplex flow control
IEEE 802.1D Spanning Tree Protocol
(STP)
IEEE 802.1w Rapid Spanning Tree
Protocol (RSTP)
Internet Group Management Protocol
(IGMP) snooping on Layer 2 interfaces
Multicast filtering

CONVERGENCE
4 hardware queues per port
Weighted Round Robin queuing
IEEE 802.1p Class of Service/Quality
of Service (CoS/QoS) on egress
Auto VLAN assignment for voice
traffic determined by vendor OUI

SECURITY
IEEE 802.1X Network login

POWER OVER ETHERNET
IEEE 802.3af
180W per switch, max.

MANAGEMENT
Web-based configuration for:
• Port speed and duplex configuration
• Spanning tree
• VLANs
• IGMP snooping
• Link aggregation
• IGMP query
• Traffic monitoring
• Broadcast storm control
• SNMP v1 and v2
Compatible with SNMP management
tools like 3Com Network Supervisor
and 3Com Network Director

LED INDICATORS
Module active, power, network
traffic/duplex mode, link status/speed

MONITORING
Ports: active, enabled, disabled
Modules: present, active

POWER SUPPLY
Input voltage: 100-240 VAC, 50/60 Hz 
Current rating: 3A, max.
Power consumption: 205W, max.
Power dissipation: 154 BTU/hr, max.
Power inlet: IEC 320

DIMENSIONS
Height: 4.4 cm (1.7 in or 1 RU) 
Width: 44.0 cm (17.3 in) 
Depth: 23.8 cm (9.4 in) 
Weight: 3.2 kg (7.1 lb)

ENVIRONMENTAL REQUIREMENTS
Operating temperature: 0° to 45°C 
(32° to 113°F)
Operating humidity: 10 to 95% 
(non-condensing)
Standard: EN60068 (IEC 68)

APPROVALS
Safety: UL 60950-1, EN60950-1, CSA
22.2 60950-1, IEC 60950-1
Emissions: EN55022 Class A, FCC Part
15 Subpart B Class A, ICES-003 Class
A, VCCI Class A, AS/NZS 3548 Class A, 
Environmental: EN60068 (IEC 68)
Immunity: EN55024

IEEE STANDARDS SUPPORTED
IEEE 802.1d Spanning Tree
IEEE 802.1p Priority Tags
IEEE 802.1Q VLANs
IEEE 802.1X Port Security
IEEE 802.1w Rapid Spanning Tree
IEEE 802.3 Ethernet
IEEE 802.3ab Gigabit Ethernet
IEEE 802.3af Power over Ethernet
IEEE 802.3u Fast Ethernet
IEEE 802.3x Flow Control
IEEE 802.3z Gigabit Ethernet
ISO 8802-3

PACKAGE CONTENTS
Switch unit, power cord, self-adhesive
rubber pads, rack-mount kit, user
guide, installation CD, warranty flyer

WARRANTY AND OTHER SERVICES
Three Year Limited Hardware
Warranty, including fans and power
supply. Limited Software Warranty for 
90 days. Refer to

for details.

Advance Hardware Replacement 
with Next Business Day shipment 
in most regions
90 days of telephone technical support