3Com

3Com 3CR17334-91 Switch 4210 52-Port 48x10/100 4xGigabit Layer 2

Name: 3Com 3CR17334-91 Switch 4210 52-Port 48x10/100 4xGigabit Layer 2
Brand: 3Com
SKU: 3CR17334-91

MPN: 3CR17334-91·By: 3Com

Part #:3CR17334-91NewIn stock

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Product overview

The 3Com Switch 4210 52-Port (SKU 3CR17334-91) is an enterprise-grade Layer 2 managed Ethernet switch designed for high-density 10/100 Mbps connectivity. It features 48 x 10/100 Mbps RJ-45 ports, 2 x 10/100/1000 Mbps SFP combo ports, and 2 x 10/100/1000 Mbps SFP ports, providing flexible Gigabit uplinks. With a 17.6 Gbps switching capacity and 13 Mpps forwarding rate, it ensures wirespeed performance. Key capabilities include support for 4K VLANs with 802.1Q tagging and GVRP, IGMP Snooping v1/v2/v3 for up to 128 groups, and Spanning Tree protocols (STP, RSTP, MSTP). Management options encompass CLI via console/Telnet, web interface, and SNMP v1/v2c, plus RMON and file transfer via FTP/TFTP. The 1U rack-mountable unit weighs 3.6 kg, operates from 0°C to 40°C, and complies with EN 55022 Class A and UL 60950-1 standards. Ideal for edge deployments requiring reliable Layer 2 features and scalability.

48x 10/100 Mbps + 4x Gigabit SFP uplinks for flexible connectivity
17.6 Gbps capacity, 13 Mpps rate, 12K MAC table for wirespeed performance
4K VLANs, IGMP Snooping v1-3, STP/RSTP/MSTP for advanced Layer 2
CLI/Web/SNMP management with RMON and config backup via FTP/TFTP
1U rack-mount, 3.6kg, 0-40°C operation for easy enterprise deployment
>300K hours MTBF, RoHS compliant for reliable long-term use

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Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	3CR17334-91
Brand	3Com
Condition	New
Model	Switch 4210 52-Port
Jumbo Frames	Up to 10KB
Product Line	Switch 4210
Product Type	Layer 2 managed Ethernet switch
VLAN Support	4K VLANs; 802.1Q tagging; GVRP
File Transfer	FTP; TFTP; configuration backup/restore
IGMP Snooping	v1/v2/v3; up to 128 groups
Spanning Tree	IEEE 802.1D STP; 802.1w RSTP; 802.1s MSTP
MAC Address Table	12K entries
Supported Protocols	RMON groups (statistics, history, alarm, events); RFC 1157 SNMP v1; RFC 1213 MIB II; RFC 1757 RMON I
Management Interface	CLI via console/Telnet; Web interface; SNMP v1/v2c
Compliance Certifications	EN 55022 Class A; FCC Part 15 Subpart B Class A; EN 55024; UL 60950-1; EN 60950-1; EU RoHS Compliant

Network & Communication

Forwarding Rate	13 Mpps
Switching Capacity	17.6 Gbps

Power Consumption

Voltage Input	100-240 VAC, 50/60 Hz; 1.0A maximum
Power Supplies	Internal fixed AC power supply

Physical Characteristics

Weight	3.6 kg (7.9 lb)
Dimensions	Height: 43.6 mm (1.7 in or 1 RU); Width: 440 mm (17.3 in); Depth: 310 mm (12.2 in)
Form Factor	1U rack-mountable
Mounting Type	Rack mount kit included

Environmental

Heat Dissipation	52 BTU/hour maximum
Operating Humidity	10% to 90% non-condensing
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Operating Temperature	0°C to 40°C (32°F to 104°F)

Interface/Ports

Console Port	1 x RJ-45 console port
Ethernet Ports	48 x 10/100 Mbps RJ-45 ports; 2 x 10/100/1000 Mbps SFP combo ports; 2 x 10/100/1000 Mbps SFP ports

Warranty & Support

MTBF	Over 300,000 hours at 25°C

Compatible systems

No specific system or OS compatibility lists found in sources

Best for

Enterprise Edge Switching
Provides 48 x 10/100 Mbps ports with 17.6 Gbps switching capacity and 4K VLAN support, ideal for connecting workstations in large office environments. Gigabit SFP uplinks enable seamless backbone integration.
SMB Network Expansion
Supports IGMP Snooping for up to 128 groups and Spanning Tree protocols, ensuring efficient multicast traffic handling and loop prevention in growing small-to-medium business networks.
Data Center Access Layer
Offers 12K MAC address table and jumbo frames up to 10KB, optimizing high-throughput access switching with low latency for server farm connectivity.
Secure VLAN Segmentation
Features 802.1Q tagging, GVRP, and RADIUS authentication compatibility via SNMP management, enabling secure department isolation in campus networks.

Frequently asked questions

What ports does the 3Com Switch 4210 52-Port provide?

It includes 48 x 10/100 Mbps RJ-45 autosensing ports, 2 x 10/100/1000 Mbps SFP combo ports, 2 x 10/100/1000 Mbps SFP ports, and 1 x RJ-45 console port. Combo ports allow simultaneous use of copper or fiber Gigabit uplinks, supporting auto-MDI/MDIX for easy cabling.

What is the switching performance?

Switching capacity is 17.6 Gbps with a 13 Mpps forwarding rate, ensuring non-blocking wirespeed across all ports. It supports a 12K MAC address table, up to 10KB jumbo frames, making it suitable for high-throughput environments.

Does it support VLANs and multicast?

Yes, supports 4K VLANs with 802.1Q tagging and GVRP, plus IGMP Snooping v1/v2/v3 for up to 128 groups. This enables efficient traffic segmentation and multicast optimization in enterprise networks.

What management options are available?

Management via CLI (console/Telnet), web interface, SNMP v1/v2c, and RMON groups (statistics, history, alarm, events). Configuration backup/restore uses FTP/TFTP, with support for clustering up to 32 devices.

What are the power and environmental specs?

Internal fixed AC power supply (100-240 VAC, 50/60 Hz, 1.0A max), 52 BTU/hour heat dissipation. Operates 0°C to 40°C (10-90% humidity non-condensing), stores -40°C to 70°C, 1U form factor, 3.6 kg weight.

What compliance standards does it meet?

Complies with EN 55022 Class A, FCC Part 15 Subpart B Class A, EN 55024, UL 60950-1, EN 60950-1, and EU RoHS. MTBF exceeds 300,000 hours at 25°C for high reliability.

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Manufacturer part #

3CR17334-91

Brand

3Com

Condition

New

Model

Switch 4210 52-Port

Jumbo Frames

Up to 10KB

Product Line

Switch 4210

Product Type

Layer 2 managed Ethernet switch

VLAN Support

4K VLANs; 802.1Q tagging; GVRP

File Transfer

FTP; TFTP; configuration backup/restore

IGMP Snooping

v1/v2/v3; up to 128 groups

Spanning Tree

IEEE 802.1D STP; 802.1w RSTP; 802.1s MSTP

MAC Address Table

12K entries

Supported Protocols

RMON groups (statistics, history, alarm, events); RFC 1157 SNMP v1; RFC 1213 MIB II; RFC 1757 RMON I

Management Interface

CLI via console/Telnet; Web interface; SNMP v1/v2c

Compliance Certifications

EN 55022 Class A; FCC Part 15 Subpart B Class A; EN 55024; UL 60950-1; EN 60950-1; EU RoHS Compliant

Forwarding Rate

13 Mpps

Switching Capacity

17.6 Gbps

Voltage Input

100-240 VAC, 50/60 Hz; 1.0A maximum

Power Supplies

Internal fixed AC power supply

Weight

3.6 kg (7.9 lb)

Dimensions

Height: 43.6 mm (1.7 in or 1 RU); Width: 440 mm (17.3 in); Depth: 310 mm (12.2 in)

Form Factor

1U rack-mountable

Mounting Type

Rack mount kit included

Heat Dissipation

52 BTU/hour maximum

Operating Humidity

10% to 90% non-condensing

Storage Temperature

-40°C to 70°C (-40°F to 158°F)

Operating Temperature

0°C to 40°C (32°F to 104°F)

Console Port

1 x RJ-45 console port

Ethernet Ports

48 x 10/100 Mbps RJ-45 ports; 2 x 10/100/1000 Mbps SFP combo ports; 2 x 10/100/1000 Mbps SFP ports