3com Switch 4500 Pwr 50-port (3CR17572-91-ME)

The Switch 4500 50-Port stackable Ethernet switch features rich Layer 2 switching and dynamic Layer 3 routing in a cost-effective, high performance platform. With robust security, extensive management, traffic prioritization and quality of service features, the Switch 4500 50-Port capably handles emerging business applications. Up to eight switches can be stacked via Gigabit Ethernet ports, allowing single-IP management for an entire stack. The Switch 4500 provides secure, dependable LAN connectivity for small to medium enterprise and branch office networks. This switch features Power over Ethernet capability.The unique Voice VLAN feature detects the presence of IP phones and dynamically assigns switch ports to the Voice VLAN, enabling automated configuration and prioritization of VoIP traffic. This powerful feature minimizes cost and complexity associated with adding or moving IP phones.

Product MPN
MPN		3CR17572-91-ME
Key Features
OSI Layer		Layer 2/3
Type		Ethernet Switch
Stackable Switch		Stackable
Managed Device		Managed
Interfaces
Ports		48 x 10Base-T/100Base-TX (RJ-45)
Console Port Type		Ethernet RJ-45
Uplink/Additional Port(s)		2 x 1000Base-T (RJ-45)
Performance
ARP Entries		1990
Layer 2 Forwarding Rate		10.1 Mpps
VLANs		256
Switch Fabric Capacity		13.6 Gbps
Huntgroups / Link Aggregations		25
MAC Address Entries		8000
Standards and Protocols
LAN Standards		IEEE 802.1d Spanning Tree Bridge • IEEE 802.1p LAN Layer 2 QoS/CoS Protocol for Traffic Prioritization • IEEE 802.1Q Virtual LANs (VLAN) • IEEE 802.3 CSMA/CD or Ethernet • IEEE 802.3u 100 Mbps (Fast Ethernet) • IEEE 802.3ab 1000 Mbps (Gigabit Ethernet) • IEEE 802.3ad Link aggregation • IEEE 802.3af Power over Ethernet • IEEE 802.3z Gigabit Ethernet over fiber standard (1000BaseX) • Port Mirroring • IEEE 802.1w Rapid Spanning Tree Protocol (RSTP) • IEEE 802.3x Flow Control • IEEE 802.1x Port Access Control for WLANs • IEEE 802.3i
Remote Management Protocol		HTTP • Telnet • RMON 2 • RMON 1 • SNMP 2 • SNMP 1 • SNMP 3 • RMON 3 • RMON 9
Protocols		IP • RADIUS • SSH • SSHv2
Routing Protocols		RIP Version 1 • RIP Version 2 • Static Routing • IGMP • IGMPv2
Switching / Forwarding Method		Store-and-forward
Other Features
Brand		3Com
LED Indicators		Link / Status • Activity • Power
Dimensions
Width		43.9 cm
Rack Mounting Height		1U
Weight		6.3 kg
Height		1.7 in.
Depth		10.6 in.
Warranty
Warranty		Lifetime
Miscellaneous
UPC		662705496269
Product ID		41417435