The Cisco CBS220-48T-4G-NA is a 48-port Gigabit Ethernet smart switch featuring 48 10/100/1000 RJ45 ports and 4 1 Gigabit SFP uplink ports, providing a switching capacity of 104 Gb/s. It offers Layer 2 functionality with features like VLANs, QoS, and IGMP Snooping. The switch has a forwarding rate of 74.38 Mpps, a 12 MB packet buffer, and supports jumbo frames up to 9216 bytes. It is a rack-mountable device with an internal power supply and 256 MB of RAM, 64 MB of Flash memory.

Key Specifications

• Ports: 48 x 10/100/1000 Gigabit Ethernet RJ45 ports
• Uplink Ports: 4 x 1 Gigabit SFP ports
• Switching Capacity: 104 Gb/s
• Forwarding Rate: 74.38 Mpps
• MAC Address Table Size: 8K entries
• Jumbo Frame Support: Up to 9216 Bytes
• Packet Buffer: 12 MB

Network Features

• Layer 2 Services: Supports Layer 2 protocols like Link Aggregation, Auto-MDIX/MDI, IGMP Snooping, and Spanning Tree (MSTP, RSTP)
• Security: Includes features such as DoS Attack Prevention, MAC Filtering, and support for RADIUS authentication
• QoS: Supports Strict Priority and Weighted Round Robin (WRR) queuing
• VLANs: Supports 256 VLANs

Management & Memory

• Management: Smart, web-managed with support for HTTP, HTTPS, SSH, Telnet, and a command-line interface (CLI)
• RAM: 256 MB
• Flash Memory: 64 MB

Physical & Environmental

• Dimensions: 17.3 x 10.1 x 1.7 inches
• Weight: Approximately 7.01 lbs
• Power: Internal power supply, 100-240 VAC, 50/60 Hz
• Rack Mounting: Rack-mountable
• Operating Conditions: 32 to 122°F / 0 to 50°C at 10 to 90% Humidity

Compatible Transceivers

The CBS220-48T-4G-NA uses standard Cisco Business 1 Gigabit SFP (Small Form-Factor Pluggable) transceivers for its four SFP ports.