? Message us on In today’s ever-evolving digital landscape, businesses need networking solutions that are not only reliable but also scalable, secure, and easy to manage. The Cisco CBS350-48P-4G Switch stands out as a top contender in Cisco’s Business 350 Series, offering a smart-managed solution designed specifically for growing businesses that demand enterprise-grade features without the complexity. Whether you’re upgrading an existing infrastructure or setting up a fresh network, this Cisco CBS350 switch delivers the performance and flexibility to meet a wide variety of needs.
What is Cisco CBS350-48P-4G Switch?
The CBS350-48P-4G is part of the Cisco Business 350 Series, a line of managed switches that provide essential Layer 2 and Layer 3 capabilities with intuitive web and CLI management. This specific model offers 48 Gigabit Ethernet ports with Power over Ethernet (PoE+) support, along with 4 Gigabit SFP uplink ports for high-speed connectivity to core switches or servers.
The 350 Series is designed to bridge the gap between unmanaged or smart switches and fully managed enterprise-class gear. It delivers enhanced security, advanced QoS, VLAN support, static routing, IPv6 support, and energy efficiency—all in a cost-effective and user-friendly form. With support for up to 370W PoE budget, the CBS350-48P-4G can power VoIP phones, IP cameras, wireless access points, and more—ideal for small to mid-sized businesses looking to build a scalable network.
Key Features of the Cisco CBS350-48P-4G Switch
Let’s dive into some of the most compelling features of this switch that make it a smart investment for modern IT infrastructure:
- 48× 10/100/1000 Gigabit Ethernet PoE+ Ports – These ports support IEEE 802.3af/at standards, providing up to 30W per port.
- 4× Gigabit SFP Uplink Ports – Perfect for connecting to servers, other switches, or backbone infrastructure.
- PoE Budget of 370W – Supports a large number of PoE devices simultaneously.
- Layer 2 & Layer 3 Switching – Including static routing, VLANs, STP/RSTP/MSTP, link aggregation, and more.
- Comprehensive Security – Supports 802.1X, ACLs, DHCP snooping, IP-MAC binding, and more to protect your network.
- Advanced QoS – Ensure mission-critical traffic like voice and video gets priority.
- Energy Efficient – Complies with IEEE 802.3az Energy Efficient Ethernet.
- Easy Management – Manage via web GUI, Command-Line Interface (CLI), or SNMP.
- Fanless Design – Silent operation ideal for office environments (depends on model and temperature).
Benefits of Using CBS350-48P-4G in Your Network
If you’re wondering why this model is so popular among growing businesses, here are some clear benefits:
- High Performance for Critical Applications: Whether it’s IP surveillance, VoIP, or wireless networking, this switch handles traffic smoothly.
- PoE+ for Simplified Deployment: Eliminate the need for separate power supplies for devices such as phones or access points.
- Scalability: With SFP uplinks and VLAN support, this switch can easily integrate into larger infrastructures as your network grows.
- Improved Security: Built-in protection features like DHCP snooping, 802.1X, and IP Source Guard ensure that your network stays protected from internal and external threats.
- Lower TCO (Total Cost of Ownership): Enterprise-grade features at a much lower price than high-end managed switches, especially when you shop from ITMan.
- Silent & Office-Friendly: Its fanless design makes it ideal for noise-sensitive environments.
Real-World Use Cases for Cisco CBS350-48P-4G Switch
This switch is highly versatile and fits into several deployment scenarios:
- IP Telephony Deployments: Power and manage all your VoIP phones using PoE+.
- Surveillance Systems: Use the high PoE budget to connect and power IP cameras.
- Wireless Network Expansion: Seamlessly connect wireless access points for better coverage.
- Retail Stores: Connect POS systems, access points, and IP security with one reliable switch.
- Offices and Workspaces: Silent operation and web-based management make it perfect for distributed office setups.
How to Maximize PoE Efficiency with CBS350-48P-4G
One of the biggest advantages of this model is its 370W PoE budget, but to fully benefit from it, you should:
- Use PoE budgeting in the GUI to allocate power efficiently.
- Monitor power usage in real time to avoid overload.
- Connect high-priority devices like IP phones and access points to the highest-power ports.
This ensures stable performance without the risk of powering down critical devices.
Integrating Cisco CBS350-48P-4G with Your Existing Infrastructure
If you’re already using Cisco gear like CBS250 switches or RV series routers, this switch integrates perfectly. Use the SFP ports to link the CBS350-48P-4G to your core router or data center switch, and configure VLANs to segment departments like HR, Sales, and IT.
Cisco’s intuitive web-based dashboard makes configuration simple, even for IT teams without deep CLI knowledge.
Comparison: Cisco CBS350-48P-4G vs Similar Cisco Switches
| Feature | CBS350-48P-4G | CBS250-48P-4G | CBS350-24P-4X | CBS350-48T-4G |
|---|---|---|---|---|
| Ports | 48x GE PoE+ + 4x SFP | 48x GE PoE+ + 4x SFP | 24x GE PoE+ + 4x 10G SFP+ | 48x GE (No PoE) + 4x SFP |
| PoE Budget | 370W | 370W | 195W | N/A |
| Layer Support | L2 + Static Routing | L2 only | L2 + Static Routing | L2 + Static Routing |
| Management | Web GUI, CLI, SNMP | Web GUI | Web GUI, CLI, SNMP | Web GUI, CLI, SNMP |
| Target User | SMB/SME | Entry-Level SMB | SMB | SMB with no PoE need |
| Best For | Medium offices, IP cameras | Small setups | Offices with 10G uplink | Offices without PoE |
As you can see, CBS350-48P-4G stands out with its balanced blend of performance, power, and advanced features, especially compared to CBS250 models which lack Layer 3 features.
Technical Specifications – Cisco CBS350-48P-4G
| Specification | Details |
|---|---|
| Product Code | CBS350-48P-4G |
| Total Ports | 48 × 10/100/1000 PoE+ ports |
| Uplink Ports | 4 × Gigabit SFP |
| PoE Budget | 370W |
| Switching Capacity | 104 Gbps |
| Forwarding Rate | 77.38 Mpps |
| VLANs | Up to 4096 |
| Layer Support | Layer 2 and Layer 3 static routing |
| QoS | 8 priority queues, DiffServ, CoS |
| Energy Efficiency | IEEE 802.3az (EEE) |
| Security | 802.1X, ACLs, Port Security, DHCP snooping |
| Management | Web UI, CLI, SNMP, RMON |
| Dimensions | 440 x 350 x 44 mm (1U Rack Mountable) |
| Operating Temperature | 0°C to 50°C |
| Weight | Approx. 4.5 kg |
Frequently Asked Questions (FAQ)
1. What is the total PoE budget of CBS350-48P-4G?
It provides up to 370 watts, allowing you to power multiple PoE+ devices.
2. Does this switch support Layer 3 features?
Yes, it includes basic Layer 3 functionality such as static routing.
3. Can I manage this switch without CLI knowledge?
Absolutely. It features an easy-to-use web-based GUI that’s perfect for less technical users.
4. Is CBS350-48P-4G fanless?
Depending on the environment and model batch, it may include fans. It’s quieter than larger enterprise models but not always fanless.
5. Can I use CBS350-48P-4G with Cisco Meraki access points?
Yes, it supports PoE+ and standard protocols, so it’s compatible with Meraki APs.
6. What is the difference between CBS350 and CBS250?
CBS350 includes Layer 3 features and broader VLAN, security, and QoS capabilities.
7. How many SFP ports are available?
It includes 4 Gigabit SFP uplink ports.
8. Does it support VLAN tagging?
Yes, the switch supports 802.1Q VLAN tagging and up to 4096 VLANs.
9. Is the switch suitable for IP camera systems?
Yes, its high PoE budget and reliability make it ideal for IP surveillance deployments.
If you’re planning to upgrade your network or start a new deployment, the Cisco CBS350-48P-4G Switch is a reliable, flexible, and cost-efficient choice. Available now at ITMan – where performance meets affordability.
David Wilson –
This switch has been running flawlessly for 3 months now. ITMan’s support team helped me choose the perfect configuration for our office needs.
Grace Foster –
Efficient delivery and neat packaging overall smooth purchase