Ports:
44 auto-negotiating 10BASE-T/100BASE-TX/1000BASE-T ports configured as
auto MDI/MDIX; 4 dual-personality 10/100/1000 or SFP Gigabit ports; RPS
power port (-48 VDC); RJ-45 console port; 2 dedicated stacking ports; 1
optional module slot
Performance:
232.0 Gbps switching capacity, 172.6 Mpps forwarding rate, maximum (with
2-port 10-Gigabit module); 142.9 Mpps forwarding rate, maximum (with no
optional modules)
Stacking:
Up to 8 switch units, 448 Gigabit ports, with 16 10-Gigabit ports; 3Com
XRN® Stacking linked in active/active load-sharing configuration via
built-in dedicated 48 Gbps stacking ports (96 Gbps full duplex)
Layer 2:
IEEE 802.Q VLANs, 802.3ad LACP, 802.3x full-duplex flow control, 802.1D
STP, 802.1w RSTP, Fast Start with BDPU protection, IGMP v1/v2 multicast
filtering
Layer 3:
Hardware-based routing, ECMP, ARP, virtual interfaces, static/dynamic
routing, RIPv1/v2, OSPF, ASIC Layer 3 forwarding, PIM-DM, PIM-SM, IGMP
v1/v2 snooping, DHCP Relay
Resiliency:
IEEE 802.3ad LACP, hot-swappable switch units, DC RPS provides N+1 power
redundancy, seamless failover between AC and DC modes
Convergence:
Weighted Round Robin/Fair/Strict Priority Queuing, IEEE 802.1p Class of
Service/Quality of Service (CoS/QoS), IPv6 classification,
prioritization and filtering, ingress/egress rate limiting,
webcache-based bandwidth management
Security:
RADIUS; PAP/CHAP/EAPoL (EAP over LAN) authentication; session
accounting; SSHv1.5; Access Control Lists; packet filtering; SNMP v3
encryption, IEEE 802.1X Network Login; authentication, VLAN
autoinitiation and QoS profiling; multilevel access privileges;
administrative password recovery; management activity logs
Operating system:
3Com Operating System; shared with 3Com Switch 8800, 7700 and Router
6000
3Com management:
3Com Network Supervisor, 3Com Network Director, 3Com Enterprise
Management Suite
Other management:
Web-based GUI, SNMP, telnet, CLI, RMON-1 (statistics, history, alarms,
events), SMON, multiple software images, bank swapm statistics gathering
and reporting, remote polling/ping (unicast mode only), software
backup/restore, Xmodem, FTP, TFTP, telnet, IP address allocation via
manual/DHCP/BOOTP
Network debugging tools:
DHCP tracker, UDP helper, traceroute, 1-1 traffic mirroring (standalone
unit only)
Built-In power supply:
50/60 Hz AC; 90-240 VAC input; supports multiple power modes: AC-only,
AC and DC, DC-only
DC Redundant Power Supply
(RPS): Available standards-based DC RPS
designed by Eaton Powerware
Corporation, leading provider of
IEEE standards:
IEEE 802.1D (STP), 802.1p (CoS), 802.1Q (VLANs), 802.1w (RSTP), 802.1X
(Security), 802.3 (Ethernet), 802.3ad (Link Aggregation), 802.3ab
(1000BASE-T), 802.3ae (10G Ethernet), 802.3i (10BASE-T), 802.3u (Fast
Ethernet), 802.3x (Flow Control), 802.3z (Gigabit Ethernet)
Standard:
EN 60068 (IEC 68)
Emissions:
CISPR 22 Class A, FCC Part 15 Class A, EN 55022 1998 Class A, ICES-003
Class A, VCCI Class A, EN 61000-3-2 2000, 61000-3-3
Immunity:
EN 55024
Safety agency
certifications: UL 60950, IEC 60950-1, EN
60950-1, CAN/CSA-C22.2 No. 60950
Dimensions:
Height: 43.6 mm (1.7 in or 1U); width: 440 mm (17.3 in), 450 mm (17.7
in)
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Package Contents
Switch chassis (3CR17255-91)
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Pre-installed power supply
(3C17267)
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Rack mount kit
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Rubber feet
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DC RPS connector
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Users guide
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