Product Overview
The Cisco Business CBS350-48NGP-4X-EU is a 48-port Layer 3 managed switch designed for high-performance small business networks. It features 40 PoE+ (10/100/1000 Mbps) and 8 multi-gigabit PoE++ ports (100 Mbps to 5 Gbps), along with 4 10-Gigabit uplinks (2 SFP+, 2 combo SFP+/RJ-45). It delivers advanced Layer 2/3 capabilities, stackability (up to 4 units), and a 740W PoE budget.
Hardware & Performance
- Switching Capacity: 240 Gbps
- Forwarding Rate: 178.56 Mpps (64-byte packets)
- MAC Address Table: 16K entries
- Buffer Size: 6 MB
- Jumbo Frame Support: 2 KB
- Stacking: Up to 4 units
Routing & Network Protocols
- IPv4 & IPv6 static routing, PBR, MSTP, RSTP, STP
- IGMP v2/v3, MLD v1/v2
- CIDR, DAD, ISATAP, RA Guard
Security & Management
- Access control: 802.1x, IP source guard, DAI, IP/MAC/Port Binding
- DoS prevention, BPDU Guard, Secure Core Technology (SCT), Secure Sensitive Data (SSD)
- Supports SNMP (v1, v2c, v3), RMON, HTTP/HTTPS, SSH, CLI, DHCP snooping
- Integrated Cisco Business Dashboard, mobile app, web UI
PoE Capabilities
- Power Budget: 740W
- PoE Types: PoE+ (802.3at) on 40 ports, PoE++ (up to 60W) on 8 ports
Ports
- 40 x 10/100/1000 PoE+
- 8 x 100/1000/2.5G/5G PoE++
- 2 x 10G RJ-45/SFP+ combo
- 2 x 10G SFP+
- 1 x USB Type-A, 1 x console RJ-45
Advanced Features
- VLANs (up to 4094), ACLs (1024 rules)
- Quality of Service (QoS), DSCP, WRR
- LLDP/LLDP-MED, LAG, SmartPort, cable diagnostics
- Voice Services Discovery Protocol (VSDP), dual image support
Compliance & Certifications
- IEEE standards: 802.3af/at, 802.3az, 802.1D/Q/W/X/S, 802.1x, 802.3ab/an/ae
- UL, CSA, FCC Class A, USGv6
Power & Environmental
- Input Voltage: AC 100–240 V (50/60 Hz)
- Internal Power Supply
- MTBF: 316,088 hours
- Operating Temp: 0°C to 50°C (32°F to 122°F)
- Humidity: 10–90% (non-condensing)
Physical Specifications
- Dimensions: 17.3″ x 13.8″ x 1.7″
- Weight: 13.12 lbs
- Enclosure: Rack-mountable (kit included)
- Country of Origin: Vietnam


