3Com 3CR17451-91 Технічний паспорт - Сторінка 6
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3COM
®
SWITCH 3870 10/100/1000 FAMILY DATA SHEET
Specifications
All information in this section is relevant to both models
of the 3Com SuperStack 3 Switch 3870, unless stated
otherwise.
Port Capacities
24-Port:
20 10/100/1000 ports
4 dual-personality 10/100/1000 or SFP Gigabit ports
48-Port:
44 10/100/1000 ports
4 dual-personality 10/100/1000 or SFP Gigabit ports
Dimensions
Height: 45 mm (1.7 in or 1U)
Width: 440 mm (17.3 in)
Depth: 415 mm (16.4 in)
Weight: 5.0 kg (11.0 lbs)
Performance
24-port:
Bandwidth: 108 Gbps
Throughput: 80 Mpps
48-port:
Bandwidth: 156 Gbps
Throughput: 115 Mpps
Power Supply
Input voltage: 100-240 VAC autoranging
Operating frequency: 47-63 Hz
Current Rating: 2A maximum
Heat dissipation: 717 BTU (210W)
CPU
MPC8245 (466Mhz)
32MB Flash memory
128MB Processor memory
Packet Buffer Memory
24-port:
2MB
48-port:
4MB
Environmental Requirements
Operating temperature:
0° to 40°C (32° to 104°F)
Storage temperature:
-40° to 70°C (-40° to 158°F)
Humidity:
10% to 90% non-condensing
6
MTBF
24-port:
31 years (268,000 hours)
48-port:
21 years (184,000 hours)
Industry Standards Supported
Ethernet Protocols
IEEE 802.1p (CoS)
IEEE 802.1Q (VLANs)
IEEE 802.1s (MSTP)
IEEE 802.1w (RSTP)
IEEE 802.1X (Security)
IEEE 802.3ab (Copper Gigabit)
IEEE 802.3ad (Link Aggregation)
IEEE 802.3ae (10G Ethernet)
IEEE 802.3i (10BASE-T)
IEEE 802.3u (Fast Ethernet)
IEEE 802.3x (Flow Control)
IEEE 802.3z (Fiber Gigabit)
Administration Protocols
RFC 1812 (IPv4)
RFC 783 (TFTP)
RFC 768 (UDP)
RFC 791 (IP)
RFC 793 (TCP)
RFC 2474 (DiffServ)
RFC 2131 (DHCP)
RFC 2138 (Radius Authentication)
Management, including MIBs Supported
RFC 1157 (SNMP v1/v2c)
RFC 1213 (MIB II)
RFC 1398 Ethernet MIB
RFC 1493 (Bridge MIB)
RFC 1573 (Private IF MIB)
RFC 1757 RMON MIB
RFC 2011 IP-MIB
RFC 2012 TCP-MIB
RFC 2013 UDP-MIB
RFC 2037 Entity MIB
RFC 2618 (RADIUS Authentication Client MIB)
RFC 2665 Ethernet-MIB
RFC 2674P P-BRIDGE-MIB
RFC 2674Q Q-BRIDGE-MIB
RFC 2737 Entity MIB
RFC 2819 RMON MIB
RFC 2863 IF-MIB
IEEE8021-PAE-MIB (IEEE) (Network Login)
Emissions / Agency Approvals
CISPR 22: 1995; Class A
FCC Part 15 subpart B, Class A
EN 55022: 1998; Class A
ICES -003 Class A
AS/NZS 3548 Class A
EN 61000-3-2: 2000
EN 61000-3-3: 1995 +A1
Immunity
EN 55024: 1998
Safety Agency Certifications
UL 60950-1
IEC 60950: 2001; all national deviations
EN 60950: 2001; all national deviations
CSA 22.2 # 60950-00
Management
SNMP V1 / V2 / V3, Web, and Telnet support
RMON-1
RMON Groups: Statistics, History, Alarms and Events
GUI management with 3Com Network Supervisor and
other 3Com management offerings
Warranty
Limited Lifetime Hardware Warranty. See
www.3com.com/warranty for details.
Other Benefits
Other Service Benefits: Advance hardware replacement
with same day shipment for North America and
Western Europe. Next day shipment for rest of world.
Calls must be received by published cut-off times.
90 days of telephone technical support. Limited software
updates.
See www.3com.com/warranty for more detail.
Register products at http://eSupport.3com.com
Service
Americas:
http://www.3com.com/products/en_US/global_services
International:
http://emea.3com.com/globalservices