3Com® Switch 3CRBSG2893 2900 family

3Com® Switch 3CRBSG2893 2900 family
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DATA SHEET
SWITCHING
3COM BASELINE PLUS
SWITCH 2900 GIGABIT
FAMILY
®
Enterprise-class, Gigabit switches for
small and medium businesses, voice ready
with PoE and advanced features for network
control and flexibility
OVERVIEW
The "smart" voice-ready 3Com® Baseline Plus Switch
2900 Gigabit Family delivers Layer 2 enterprise-class
Gigabit switching solutions along with layer 3 static
routes, customized and priced for small and mid-sized
organizations.
These managed switches offer tremendous value to
small and medium businesses looking for a low cost
solution who need a level of control over their network
not offered by unmanaged switching products, without
sacrificing the advanced functionality normally found
on higher-end managed switching products.
KEY BENEFITS
LAYER 2 SWITCHING WITH ADVANCED FEATURES
The Baseline Plus Switch 2900 Gigabit Family helps
build a voice ready network—with 3Com’s unique
auto-voice VLAN, advanced voice QoS, SNMP-based
management, Power over Ethernet (PoE) and other
features.
To ensure optimal use of the network bandwidth and
deliver maximum voice and data quality, traffic flow
can be directed according to the needs of the business
using Spanning Tree and Rapid Spanning Tree, traffic
prioritization, priority queuing and VLANs.
Link aggregation can be done via IEEE 802.3ad LACP
or manually, allowing ports to be grouped together to
form an ultra-high-bandwidth connection that greatly
expands bandwidth capacity to the network core or
other parts of the network.
Baseline Plus Switch 2900 models are available with
20, 28, and 52 ports; two 28 port PoE models (one with
170W budget and the other with 365W power budget)
from top to bottom: 3Com Baseline Plus, Switch 2920, Switch 2928,
Switch 2952, Switch 2928 PWR, Switch 2928 HPWR
deliver data and power over the same cabling. Each
switch also has four dedicated SFP ports for fiber
uplinks over longer distances.
ENTERPRISE-QUALITY SECURITY
Enterprise-quality security is provided with IEEE
802.1X network login and advanced Access Control
Lists (ACLs), which enable usage policies via the
switch at each point of access to the network. Time
based policies can also be configured on these
switches. All management communications are
encrypted with HTTPS.
POWER OVER ETHERNET
The Baseline Plus Switch 2928 PWR and 2928 HPWR
provides inline power to attached devices—access
points, Voice over IP (VoIP) phones, IP security
cameras, etc.—via industry-standard IEEE 802.3af PoE
over a single Ethernet cable, resulting in significant
deployment cost savings. These switches also support
pre-std PoE plus functionality that will enable the switch
to deliver 30W of power on each port.
NO SWITCH SETUP REQUIRED
Baseline Plus Gigabit switches are operational straight
out-of-the-box; as long as default settings are
acceptable, there is no need to configure the switch. If
desired, the switch can be configured using a web
browser, console port, or SNMP management software.
ENHANCED INTUITIVE MANAGEMENT OPTIONS
For networks that require more control, the switch
web management interface provides an intuitive,
menu-driven process for even novice users to quickly
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3COM ® BASELINE PLUS SWITCH 2900 GIGABIT FAMILY
KEY BENEFITS (continued)
and confidently configure the switch during initial
setup and manage it during normal operation.
Graphical switch and port views provide a clear
understanding of switch status and configuration.
In addition, the web interface features individual porttraffic monitoring (port mirroring) and diagnostic tools
like ping and traceroute. A cable diagnostic tool lets
users troubleshoot basic connectivity problems via the
web management interface further simplifying
network installation.
management platform. It delivers full FCAPS solution
as defined by ISO, among other features. IMC
management software can be used to map the
network topology, indicating what devices are
connected, and on what ports. Switch management
and software upgrades can be easily done. Other
SNMP-based management tools may also be used.
The Switch family also supports a compact Command
Line Interface (CLI) that is accessed via the front panel
console port. Using the CLI, major switch management
options can be quickly configured.
IMC management platform. IMC is our next
generation fully integrated comprehensive
FEATURE HIGHLIGHTS
FEATURE
Performance
VLANs
Advanced QoS and traffic limiting
Link aggregation (trunking)
Rapid Spanning Tree Protocol
(STP/RSTP/MSTP) support
IGMP snooping
Unique voice features
Fiber uplink
Flexible Gigabit uplinks
PoE support (PWR model only)
DESCRIPTION
Segment the network by grouping users based on their data or traffic exchange
requirements. This ensures optimal use of available bandwidth as traffic flow is directed
according to the needs of the business.
Traffic prioritization, using IEEE 802.1p Quality of Service (QoS) and Type of Service (TOS)
with Differentiated Services Code Point (DSCP), and ingress/egress rate limiting help
ensure that critical time-sensitive traffic like voice gets the priority needed for quality
communications.
Group together up to 8 ports automatically using Link Aggregation Control Protocol
(LACP), or manually, to form an ultra-high-bandwidth connection to the network
backbone; help prevent traffic bottlenecks.
Improves network compatibility, scalability and availability.
Multicast filtering optimizes network performance, instead of flooding traffic to all ports.
Automatic assignment of voice traffic to separate VLANs (“auto-voice VLAN”), advanced
voice QoS, traffic limiting, multicast filtering and PoE support delivers the support
necessary for quality voice communications.
Achieve greater distance connectivity using gigabit fiber uplinks.
Daisychain multiple units together via the built-in copper Gigabit uplink ports or connect
to a network backbone via SFP-based fiber modules.
Provides power for IP phones, wireless LAN access points, and other IEEE 802.3afcompliant devices over the same cable used for data; lowers total cost of ownership since
there is no need to run additional electrical wiring. Note: pre-std PoE Plus is also
supported allowing the switch to deliver up to 30W of power.
Security
IEEE 802.1X network access control
Provides standards-based security combined with local authentication.
Advanced Access Control Lists (ACLs) MAC- and IP-based ACLs enable network traffic filtering and enhance network control.
Time based ACLs allow for greater flexibiliy with managing network access.
Traffic monitoring (port mirroring)
Administrators can examine suspect data streams received on any port by mirroring the
data stream to a monitoring port.
Configuration and management
Enhanced browser-based interface
SNMP support
PoE configuration
Cable diagnostics
Graphical user interface allows even the most novice users to configure the switch during
initial setup and monitor it during normal operation.
Switch can be managed with 3Com IMC, Network Supervisor, Network Director and other
SNMP-compatible tools.
PoE power can be enabled or disabled per unit and per port; power can also be limited
per port.
Remotely detect copper cable issues using a browser-based tool.
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3COM ® BASELINE PLUS SWITCH 2900 GIGABIT FAMILY
BASELINE PLUS SWITCH 2900 USER INTERFACE
INTUITIVE BROWSER-BASED INTERFACE
With the switch web management interface, even novice users can quickly and confidently configure the switch
during initial setup and manage it during normal operation. Graphical switch and port views provide a clear
understanding of switch status and configuration.
PoE summary information for the Switch 2928 HPWR.
Device summary information for the Switch 2928 HPWR.
BASELINE PLUS SWITCH 2928 PWR IN A CONVERGED NETWORK
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VOICE READY NETWORK
3Com Voice Ready Networks provide an innovative and
holistic approach to assessing, recommending and
implementing a converged network, solving the most
vexing challenges that confront IT managers as they
deploy Internet Protocol (IP) telephony systems. With
3Com Voice Ready Networks, organizations can optimize
network infrastructure for realtime voice and video
traffic, ensure secure communications and protect
business assets.
The Baseline Plus Switch 2900 Gigabit Family is an
integral component of this approach, offering:
› Automatic assignment of voice traffic to separate
VLANs
› IEEE 802.1p prioritization and 802.1Q VLANS
› Advanced QoS and rate limiting capabilities
› IEEE 802.1X authentication
› Power over Ethernet (PWR model only)
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3COM ® BASELINE PLUS SWITCH 2900 GIGABIT FAMILY
SPECIFICATIONS
Information in this section is relevant to all
members of the 3Com Baseline Plus
Switch 2900 Gigabit Family, unless
otherwise stated.
CONNECTORS
Switch 2920
16 10BASE-T/100BASE-X/1000BASE-T
4 Gigabit SFP ports
Switch 2928
24 10BASE-T/100BASE-T/1000BASE-T
4 Gigabit SFP ports
Switch 2928 PWR
24 10BASE-T/100BASE-T/1000BASE-T
4 Gigabit SFP ports
PoE: 170W
Switch 2928 HPWR
24 10BASE-T/100BASE-T/1000BASE-T
4 Gigabit SFP ports
PoE: 365W
Switch 2952
48 10BASE-T/100BASE-X/1000BASE-T
4 Gigabit SFP ports
All switches
All copper ports are auto MDI/MDIX,
auto-negotiating RJ-45
Front-mounted console port
PERFORMANCE
Switch 2920
40 Gbps switching capacity, max.
29.8 Mpps forwarding rate, max.
Switch 2928
56 Gbps switching capacity, max.
41.7 Mpps forwarding rate, max.
Switch 2928 PWR
56 Gbps switching capacity, max.
41.7 Mpps forwarding rate, max.
Switch 2928 HPWR
56 Gbps switching capacity, max.
41.7 Mpps forwarding rate, max.
Switch 2952
104 Gbps switching capacity, max.
77.4 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: number of ports/2 trunks,
8 ports per trunk, max.
Auto-negotiation of port speed and duplex
Auto-voice VLAN for automatic vendorindependent 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, v2 and v3 is supported
Jumbo frames (up to 10K 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 limiting
LED INDICATORS
Module active, power, network traffic
mode, link status/speed
AT-A-GLANCE TRAFFIC
MONITORING
Ports: active, enabled, disabled
Modules: present, active
POWER SUPPLY
Auto VLAN assignment for voice traffic
determined by vendor OUI
CoS remarking for prioritization
of VoIP traffic
Switch 2920
Current rating: 0.8A
Voltage: 100V-240V AC, 50/60Hz
Power consumption max: 22.4W
Power dissipation: 76.43 BTU/hr max
LAYER 3 SWITCHING
Switch 2928
Current rating: 0.8A
Voltage: 110V-240V AC, 50/60Hz
Power consumption max: 31.5W
Power dissipation: 107.48 BTU/hr max
Static routes: 32
Virtual VLAN interface: 8
DHCP relay
ARP entry: 256
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 2928 PWR
IEEE 802.3af
170W
Switch 2928 HPWR
IEEE 802.3af
365W
Note: Both switches support pre-std
IEE 802.3at std.
This enables the switch to deliver 30W
per port
MANAGEMENT
Web-based configuration and
management
System configuration with SNMP
v1, v2c and v3
• Support Remote Monitoring (RMON)
alarm, event and history recording
• Support system log
• Support hierarchical alarms
• Support NTP
Support power, fan, and temperature
alarms
Support for IMC our next generation
Network Management platform
CLI via console
Management communications are
encrypted via HTTPS
Switch 2952
Current rating: 1.2A
Voltage: 100V-240V AC, 50/60Hz
Power consumption max: 55.4W
Power dissipation: 189.03 BTU/hr max
Switch 2928 PWR
Current rating: 2.9A
Voltage: 100V – 240V AC, 50/60Hz
Power consumption max for Ethernet
switching: 45W
PoE Budget: 170W
Power consumption for PoE: up to 170W
+ 25% overhead
Power dissipation: 290.08 BTU/hr max
Switch 2928 HPWR
AC source
Current rating: 8A
Voltage:100V - 240V AC, 50/60Hz
Power consumption max for Ethernet
Switching: 67W
PoE Budget: 365W
Power consumption for PoE: up to 365W
+ 25% overhead
Power dissipation: 539.11 BTU/hr max
DC source – RPS1000-A3
Current rating: 20A
Voltage: -52V to -55V DC
PoE Budget: up to 740W
Power consumption with full PoE: 832W
All switches
Power inlet: IEC 320
DIMENSIONS
Switch 2920
Height: 4.36cm (1.72in)
Width: 44cm (17.32in)
Depth: 16cm (6.3in)
Weight: 3kg (6.61lb)
Switch 2928
Height: 4.36cm (1.72in)
Width: 44cm (17.32in)
Depth: 16cm (6.3in)
Weight: 3kg (6.61lb)
Switch 2952
Height: 4.36cm (1.72in)
Width: 44cm (17.32in)
Depth: 22cm (10.24in)
Weight: 5kg (11.02lb)
Switch 2928 PWR
Height: 4.36cm (1.72in)
Width: 44cm (17.32in)
Depth: 42cm (16.54in)
Weight: 7kg (15.43lb)
Switch 2928 HPWR
Height: 4.36cm (1.72in)
Width: 44cm (17.32in)
Depth: 42cm (16.54in)
Weight: 7kg (15.43lb)
ENVIRONMENTAL
REQUIREMENTS
Operating temperature: 0° to 45°C
(32° to 113°F)
Operating humidity: 10 to 90%
(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 802.1d 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 2928 PWRand Switch 2928 HPWR
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.
ORDERING INFORMATION
PRODUCT DESCRIPTION
3COM SKU
3Com Baseline Plus Switch 2920
3Com Baseline Plus Switch 2928
3Com Baseline Plus Switch 2928 PWR
3Com Baseline Plus Switch 2928 HPWR
3Com Baseline Plus Switch 2952
3CRBSG2093
3CRBSG2893
3CRBSG28PWR93
3CRBSG28HPWR93
3CRBSG5293
PRODUCT DESCRIPTION
3COM SKU
TRANSCEIVERS
3Com 1000BASE-SX SFP
3Com 1000BASE-LX SFP
Visit www.3com.com for more information about 3Com network solutions.
3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-3064
3Com is publicly traded on NASDAQ under the symbol COMS.
Copyright © 2009 3Com and the 3Com logo are registered trademarks in various countries worldwide 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.
401206-002 08/09
3CSFP91
3CSFP92
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