Product Overview:
The CBS220-48T-4G is a smart, rack-mountable switch with 52 total ports—48 Gigabit Ethernet (10/100/1000) and 4 dedicated 1G SFP uplink ports. Designed for small to medium-sized business networks, it delivers powerful Layer 2 switching with advanced management and security features.
Technical Specifications:
- Device Type: Smart Managed Switch (52 Ports)
- Port Configuration: 48 × 10/100/1000 Mbps + 4 × 1G SFP
- PoE Support: Not supported
- Switching Capacity: 104 Gbps
- Forwarding Rate: 74.38 Mpps (64-byte packet size)
- MAC Address Table: 8,192 entries
- Buffer Memory: 12 MB
- VLAN Support: Up to 256 VLANs
- ACL Rules: 512
- Jumbo Frames: Supports up to 9216 bytes
- Spanning Tree Protocols: STP, RSTP, MSTP
- Routing Protocols: IGMPv2/v3, MLD, MLDv2
- Remote Management: Web GUI, SNMP v1/v2c/v3, RMON, SSH, HTTP/HTTPS, CLI, Telnet, SCP, TFTP
Key Features:
- QoS with WRR and DiffServ support
- IGMP Snooping and Multicast/Broadcast Storm Control
- DoS Prevention, Port Security, MAC Filtering
- 802.1x Authentication, Access Control Lists (ACLs)
- LACP, LLDP, LLDP-MED, CDP
- Cable Diagnostics, Auto MDIX, Loopback Detection
- Energy Efficient Ethernet (EEE), dual firmware images
Standards Compliance:
Complies with major IEEE standards including 802.3, 802.3u, 802.3ab, 802.3af/at, 802.3az, 802.1D/p/Q/x/w/s/x/ab/ad.
Power & Environmental:
- Power Input: 100–240V AC, 50/60 Hz
- Cooling: One internal fan
- Dimensions: 17.3 × 10.1 × 1.7 in (440 × 257 × 44 mm)
- Weight: 11.66 lbs (5.29 kg)


