General Info
Manufacturer
3Com Corporation
Manufacturer Part Number
3CR17571-91-US
Manufacturer Website Address
www.3com.com
Product Name
26-Port 4500 Pwr Switch
Marketing Information
The 3Com Switch 4500 26-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 26-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.
Product Type
Ethernet Switch
Interfaces/Ports
Interfaces/Ports
24 x 10/100Base-TX
I/O Expansions
Number of Expansion Slots
2
Expansion Slots
(2 Total) SFP (mini-GBIC)
Media & Performance
Connectivity Media
Twisted Pair 10/100Base-TX
Performance
8.8Gbps Forwarding Bandwidth
Miscellaneous
Package Contents
Switch unit Documentation pack Console cable Rack mount kit Rubber feet 25A RPS connector kit
Additional Information
Include 802.3af in-line power on all 10Base-T/100Base-TX ports and support redundant power supply (-48 VDC) connector Eight hardware queues per port Stacking: 384 10/100 ports
Certifications & Standards
Immunity: EN 55024 IEEE Standards:
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) 802.3af (Power over Ethernet) 802.3i (10BASE-T) 802.3u (Fast Ethernet) 802.3x (Flow Control) 802.3z (Gigabit Ethernet) IETF Standards:
RFC 1213/2233 (MIB II) RFC 1724 (RIP Version 2 MIB Extension) RFC 1907 (SNMP v2c, SMI v2 and Revised MIB-II) RFC 2021 (RMON II Probe Config MIB) RFC 2233 (Interfaces MIB) RFC 2571 (FrameWork) RFC 2571-2575 (SNMP) RFC 2613 (Remote Network Monitoring MIB Extensions) RFC 2665 (Pause control) RFC 2668 (IEEE 802.3 MAU MIB) RFC 2674 (VLAN MIB Extension) RFC 2819 (RMON MIB) Emissions / Agency Approvals:
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 Safety Agency Certifications:
UL 60950 IEC 60950-1 EN 60950-1 CAN/CSA-C22.2 No. 60950-1-03
Network & Communication
Flow Control
IEEE 802.3x (Full-duplex)
Switching Method
Store-and-forward
Address Table
8 K MAC Address -
Physical Characteristics
Dimensions
1.70" Height x 17.30" Width x 10.60" Depth
Power Description
Input Voltage Range
90 V AC to 240 V AC
Management & Protocols
Management
802.1D STP 802.1p CoS 802.1Q VLANs 802.1w RSTP FTP TFTP RMON groups SNMP v1, 2, and 3 CLI via the console port or Telnet Embedded web management interface 3Com Network Supervisor 3Com Network Director 3Com Enterprise Management Suite
Security Features
RADIUS authentication RADIUS session accounting SSH v2.0 802.1X network login Access Control Lists (ACL) Packet filtering Private Ports SNMP v3 encryption
Warranty
Standard Warranty
Lifetime Limited