3Com 3CR17662-91 4200G 48 Port Gigabit Managed Switch – Used

Please note that this item is a second-hand product. While we ensure that every item is in 100% working condition and has been thoroughly tested for functionality, it may show signs of previous use, including scuffs, scratches, or minor marks. These cosmetic imperfections do not affect the device’s performance.

If you are uncertain or require further clarification about the condition of a product, you are encouraged to request additional pictures before making a purchase.

Warranty & Refund Policy – 7 Day Return & Swop or Refund Policy only. No Warranty is applicable on the device. You are entitled to return equipment within 7 days of purchase or receipt of the goods, provided the following conditions are met:
• The equipment is found to be not fit for purpose as described at the time of sale.
• The return request is made within 7 calendar days from the date of purchase or delivery.
• A handling fee of up to 15% of the purchase price may be deducted from the refund amount for returns not due to defects or misrepresentation.

The 3Com 3CR17662-91 4200G 48-Port Gigabit Managed Switch is a robust enterprise-grade networking solution engineered to deliver high-speed performance, advanced security, and network scalability. It’s designed for businesses that require dependable data throughput, efficient VLAN segmentation, and smooth integration into existing network infrastructures.

Offering 48 Gigabit Ethernet ports and four dual-personality uplinks, this switch provides exceptional flexibility for connecting diverse network devices. With advanced features such as Layer 2 switching, RADIUS authentication, and traffic prioritisation, the 4200G ensures consistent, secure, and efficient data flow across demanding environments.

✔ Key Features & Benefits

✔ 48 × Gigabit Ethernet Ports – Enables seamless connectivity for multiple devices such as workstations, IP phones, and access points, ensuring efficient data transfer and communication.
✔ Dual-Personality Ports – Provides the flexibility to connect via copper or fiber uplinks, making network expansion and migration straightforward.
✔ Layer 2 Switching Performance – Supports VLANs, QoS, and link aggregation, allowing precise control over network segmentation and traffic prioritisation.
✔ Enhanced Security Protocols – Includes IEEE 802.1X and RADIUS authentication to protect against unauthorised access and strengthen endpoint security.
✔ High Throughput Capacity – Delivers 136 Gbps switching capacity and 101.2 Mpps forwarding rate for smooth and stable performance in data-intensive networks.
✔ Intuitive Management Options – Offers secure management through SSH, HTTPS, and SNMPv3, simplifying configuration and monitoring for IT administrators.

✔ Ideal Uses

✔ Ideal for small to medium-sized businesses needing reliable Gigabit connectivity and strong network security.
✔ Suitable for schools, universities, and training institutions managing multiple VLANs and devices.
✔ Perfect for office environments running VoIP systems, surveillance networks, or Wi-Fi access points.
✔ Excellent for IT-managed enterprises that require flexible uplink options and stable Layer 2 performance.

✔ Specifications

✔ Condition: Used item with visible signs of previous use, including scuffs, scratches, or minor marks. Device has been tested and is fully functional.
✔ Brand / Model: 3Com 4200G – 3CR17662-91
✔ Product Type: Managed Layer 2 Gigabit Ethernet Switch
✔ Ports: 48 × 10/100/1000 Mbps Ethernet Ports
✔ Combo Uplinks: 4 × Dual-Personality RJ-45/SFP Ports
✔ Switching Capacity: 136 Gbps
✔ Forwarding Rate: 101.2 Mpps
✔ MAC Address Table: 16K Entries
✔ VLAN Support: 4,094 VLAN IDs (IEEE 802.1Q)
✔ QoS Support: IEEE 802.1p CoS/QoS, Traffic Shaping, and Rate Limiting
✔ Security Features: IEEE 802.1X, RADIUS, ACLs, MAC-based Authentication
✔ Management: Web Interface, CLI, SNMP v3, SSH v2, HTTPS
✔ Power Supply: 100–240V AC, 50/60Hz
✔ Power Consumption: 98W (Maximum)
✔ Dimensions (H × W × D): 4.4 × 44.2 × 30.0 cm
✔ Weight: 4.7 kg
✔ Operating Temperature: 0°C – 40°C
✔ Humidity Range: 10% – 95% (Non-Condensing)
✔ Standard Compliance: IEEE 802.3, 802.3u, 802.3ab, 802.1D, 802.1Q, 802.1X
✔ What’s in the Box: Switch, Power Cable