3Com 3CRBSG2093 - Baseline Plus Switch 2920 Datasheet - page 4
4
3COM
®
BASELINE PLUS SWITCH 2920
3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-3064
3Com is publicly traded on NASDAQ under the symbol COMS.
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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.
401206-001 07/09
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www.3com.com
for more information about 3Com network solutions.
SPECIFICATIONS
PRODUCT DESCRIPTION
3COM SKU
3Com Baseline Plus Switch 2920
3CRBSG2093
TRANSCEIVERS
3Com 1000BASE-SX SFP
3CSFP91
3Com 1000BASE-LX SFP
3CSFP92
ORDERING INFORMATION
CONNECTORS
Switch 2920
16 10BASE-T/100BASE-X/
1000BASE-T
4 Gigabit SFP ports
PERFORMANCE
Switch 2920
40 Gbps switching capacity, max.
29.6 Mpps forwarding rate, max.
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 ven-
dor-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 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 shaping
Auto VLAN assignment for voice traffic
determined by vendor OUI
CoS remarking for prioritization
of VoIP traffic
LAYER 3 SWITCHING
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
MANAGEMENT
Web-based configuration and
management
System configuration with SNMP
v1, v2 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
LED INDICATORS
Module active, power, network traf-
fic/duplex mode, link status/speed
AT-A-GLANCE TRAFFIC
MONITORING
Ports: active, enabled, disabled
Modules: present, active
POWER SUPPLY
Switch 2920
Current rating: 0.8A
Voltage:100V-240V AC, 50/60Hz
Power consumption max: 22.4W
Power dissipation: 70.33 BTU/hr
max
Power inlet: IEC 320
DIMENSIONS
Switch 2920
Height: 4.36cm (1.72in)
Width: 44cm (17.32in)
Depth: 16cm (6.3in)
Weight: 3kg (6.61lb)
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 802.1d 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-adhe-
sive rubber pads, console cable,
rack-mount kit, product CD, war-
ranty 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.