Brand: 3Com · SKU: 3CR17331-91 · MPN: 3CR17331-91 · Category: Networking
The 3Com 3CR17331-91 is a Layer 2 entry-level, fully-managed Ethernet switch from the 4210 family, designed for small to medium-sized networks. It features 8 x 10/100/1000BASE-T RJ-45 ports and 1 x expansion slot that supports SFP mini-GBIC technology for 100 Mbps or 1000 Mbps fiber uplinks. The switch supports enterprise-class QoS, security features like IEEE 802.1X network access control and RADIUS authentication, and management via industry-standard Command Line Interface (CLI), Web-based administration, and SNMP. It can be clustered with up to 32 devices for single IP management. The unit has a rack-mountable design, and non-PoE units run fanless. Some listings indicate the condition as Refurbished or Used (power tested only).
| Management | CLI, Web-based, SNMP |
|---|---|
| Form Factor | Rack-Mountable |
| Switch Type | Layer 2 Managed Switch |
| Product Series | 4210 Series (4210-9) |
| Number of Ports | 9 Total (8 x RJ-45 Copper, 1 x Expansion Slot) |
| Uplink/Expansion | 1 x SFP Slot (supports 100/1000 Mbps fiber) |
| Copper Port Speed | 10/100/1000BASE-T (Gigabit) |
| Security Features | IEEE 802.1X, RADIUS Authentication |
| Warranty | Limited Lifetime Hardware Warranty (for new/refurbished units from some sources), 90 days telephone technical support (as per 3Com documentation). |
| Weight | 3.00 LBS (or 12.00 LBS in some listings) |
| Dimensions | N/A (Rack-Mountable 1U) |
The 3Com 3CR17331-91 Switch 4210 is a Layer 2 managed switch ideal for small to medium-sized businesses, offering 8 Gigabit copper ports and one SFP expansion slot for fiber uplinks. It provides enterprise-class security and management features in an economical, rack-mountable, and often fanless design.
Yes, this 3Com Switch 4210 9-Port Layer 2 Managed Ethernet Switch (3CR17331-91) is 100% genuine 3Com hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This 3Com Switch 4210 9-Port Layer 2 Managed Ethernet Switch includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the 3CR17331-91.