3com 3CBLSG24-CH Datasheet download pdf (Page 4)

COM

ASELINE SWITCH 2900 PLUS FAMILY

Visit www.3com.com for more information about 3Com secure converged network solutions.

3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-3064

3Com is publicly traded on NASDAQ under the symbol COMS.

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. 401044-001 05/07

PRODUCT DESCRIPTION 3COM SKU

3Com Baseline Switch 2916-SFP Plus 3CBLSG16

3Com Baseline Switch 2924-SFP Plus 3CBLSG24

3Com Baseline Switch 2924-PWR Plus 3CBLSG24PWR

3Com Baseline Switch 2948-SFP Plus 3CBLSG48

Transceivers

3Com 1000BASE-SX SFP 3CSFP91

3Com 1000BASE-LX SFP 3CSFP92

ORDERING

INFORMATION

Information in this section is relevant

to all members of the 3Com Baseline

Switch 2900 Plus family, unless

otherwise stated.

CONNECTORS

witch 2916-SFP Plus

16 10BASE-T/100BASE-X/1000BASE-T

witch 2924-SFP Plus

24 10BASE-T/100BASE-X/1000BASE-T

Switch 2924-PWR Plus

24 10BASE-T/100BASE-X/1000BASE-T,

PoE-enabled

witch 2948-SFP Plus

48 10BASE-T/100BASE-X/1000BASE-T

ll switches

4 Gigabit SFP ports, dual-purposed

with 4 of the above 10/100/1000 ports

(configurable as 10/100/1000 or SFP)

All copper ports are auto MDI/MDIX,

auto-negotiating RJ-45

Front-mounted console port

PERFORMANCE

witch 2916-SFP Plus

32 Gbps switching capacity, max.

23.7 Mpps forwarding rate, max.

Switch 2924-SFP Plus

48 Gbps switching capacity, max.

35.5 Mpps forwarding rate, max.

Switch 2924-PWR Plus

48 Gbps switching capacity, max.

35.5 Mpps forwarding rate, max.

Switch 2948-SFP Plus

96 Gbps switching capacity, max.

71.4 Mpps forwarding rate, max.

All models

Wirespeed performance

Store-and-forward switching

LAYER 2 SWITCHING

8,192 MAC addresses in address table

256 port-based VLANs (IEEE 802.1Q)

IEEE 802.3ad Link Aggregation,

automated (LACP) and manual

aggregation: 8 trunks, max.; 8 ports

per trunk, max.

Auto-negotiation of port speed and

duplex

Auto-voice VLAN for automatic

vendor-independent segregation

and prioritization of VoIP traffic

IEEE 802.3x flow control

(half- and full-duplex)

IEEE 802.1D Spanning Tree Protocol

(STP)

IEEE 802.1w Rapid Spanning Tree

Protocol (RSTP)

Internet Group Management Protocol

(IGMP) v1 and 2 on Layer 2 interfaces

Jumbo frames (up to 9K bytes)

Multicast filtering

CONVERGENCE

4 hardware queues per port, with

IEEE 802.1p Class of Service/Quality

of Service (CoS/QoS) on egress

Weighted Round Robin queuing

Traffic prioritization at Layer 2 using

802.1p QoS, and at Layer 3 using Type

of Service (TOS) with Differentiated

Services Code Point (DSCP)

Ingress/egress rate shaping

Auto VLAN assignment for voice

traffic determined by vendor OUI

CoS remarking for prioritization

of VoIP traffic

SECURITY

IEEE 802.1X Network login

Access Control Lists (ACLs)

MAC-based Layer 2 filtering rules:

• source/destination address

• Ethertype

• CoS

• VLAN

IP-based Layer 3 filtering rules:

• protocol

• source/destination address

• TCP/UDP port

• DSCP value

• IP precedence

Management communications are

encrypted via HTTPS

POWER OVER ETHERNET

(Switch 2924-PWR Plus, only)

IEEE 802.3af

180W per switch, max.

MANAGEMENT

Web-based configuration and

management

System configuration with SNMP

v1 and 2

Compatible with SNMP management

tools like 3Com Network Supervisor

and 3Com Network Director*

CLI via console

Management communications are

encrypted via HTTPS

LED INDICATORS

Module active, power, network

traffic/duplex mode, link status/speed

AT-A-GLANCE TRAFFIC

MONITORING

Ports: active, enabled, disabled

Modules: present, active

POWER SUPPLY

Switch 2916-SFP Plus

Current rating: 1A, max.

Power dissipation: 198.0 BTU/hr, max.

Switch 2924-SFP Plus

Current rating: 1.5A, max.

Power dissipation: 286.7 BTU/hr, max.

Switch 2924-PWR Plus

Current rating: 5.1A, max.

Power dissipation: 1,194.6 BTU/hr, max.

Switch 2948-SFP Plus

Current rating: 1.5A, max.

Power dissipation: 238.9 BTU/hr, max.

All switches

Input voltage: 100-240 VAC, 50/60 Hz

Power inlet: IEC 320

DIMENSIONS

Height: 4.4 cm (1.7 in or 1 RU)

Width: 44.0 cm (17.3 in)

Depth–

2916-SFP, 2924-SFP, 2924-PWR:

17.1 cm (6.7 in)

2948-SFP: 23.8 cm (9.4 in)

Weight–

2916-SFP: 1.8 kg (4.0 lb)

2924-SFP: 1.6 kg (3.5 lb)

2924-PWR: 1.9 kg (4.2 lb)

2948-SFP: 2.5 kg (5.5 lb)

ENVIRONMENTAL REQUIREMENTS

Operating temperature: 0° to 40°C

(32° to 104°F)

Operating humidity: 10 to 95%

(non-condensing)

Standard: EN 60068 (IEC 68)

REGULATORY AND AGENCY

APPROVALS

Safety: UL 60950-1, EN 60950-1,

CSA 22.2 60950-1, IEC 60950-1

Emissions: EN 55022 Class A,

EN 61000-3-2, EN 61000-3-3,

FCC Part 15 Subpart B Class A,

CISPR22 Class A, ICES-003 Class A,

VCCI Class A

Immunity: EN 55024

IEEE STANDARDS SUPPORTED

IEEE 802.1ad Provider Bridges

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 802.3ad Link Aggregation

IEEE 802.3af Power over Ethernet

(Switch 2924-PWR only)

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, console cable, rack-mount

kit, product CD, warranty and safety

information flyer

WARRANTY AND OTHER SERVICES

Three Year Limited Hardware Warranty

Limited Software Warranty for 90 days

Advance Hardware Replacement with

Next Business Day shipment in most

regions

90 days of telephone technical support

Refer to

www.3com.com/warranty

for details.

SPECIFICATIONS

* Switch 2948-SFP Plus will be supported in

future release of 3Com Network Supervisor

and Network Director, planned for 3rd quarter

calendar year 2007

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