Cisco CBS350-48T-4G 48-Port Gigabit Managed Network Switch with SFP (NA) | Like New
SKU: CBS350-48T-4G-NA-LN
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Overview of Cisco CBS350-48T-4G 48-Port Gigabit Managed Network Switch with SFP (NA) | Like New
The Cisco CBS350-48T-4G 48-Port Gigabit Managed Network Switch with SFP (NA) is built for companies that require fiber uplink access, configurable VLAN segmentation, enhanced security and dependable Layer 2 and Layer 3 networking. It connects servers, core switches, network storage and other infrastructure devices by combining four dedicated 1GbE SFP connections with 48 10/100/1000 Mbps Gigabit Ethernet connectors. The Cisco CBS350-48T-4G can handle high-volume wired traffic for offices, schools, retail establishments, healthcare facilities, branch networks and small-to-medium-sized business environments due to its 104 Gbps switching capacity, roughly 77.38 Mpps forwarding performance, 16,000-entry MAC address table and 3MB packet buffer. It offers a scalable and user-friendly network platform with its Layer 3 routing, QoS, security, stacking and Cisco Business management features.
Key Features of Cisco CBS350-48T-4G 48-Port Gigabit Managed Network Switch
• 48 × 10/100/1000 Mbps Gigabit Ethernet RJ45 ports provide high-density wired connectivity for computers, printers, IP phones, wireless access points, servers and other network devices.
• 4 × 1GbE SFP uplink ports support compatible fiber-optic transceivers and copper SFP modules for connections to core switches, servers, storage systems and longer-distance network segments.
• 104 Gbps switching capacity supports efficient, high-throughput traffic handling across all connected Gigabit Ethernet ports.
• Approximately 77.38 Mpps forwarding performance supports wire-speed packet forwarding for business applications, voice, video, wireless and cloud traffic.
• Up to 16,000 MAC addresses support large numbers of connected endpoints and network devices.
• 3MB packet buffer helps accommodate bursts of network traffic and demanding data-transfer workloads.
• Layer 3 routing features support IPv4 and IPv6 static routing, inter-VLAN routing, DHCP relay, RIP, OSPF and policy-based routing.
• VLAN, voice VLAN, guest VLAN, private VLAN edge, GVRP and GARP features help segment employee, voice, guest, wireless, surveillance and IoT traffic.
• IEEE 802.3ad LACP link aggregation combines multiple physical connections to increase bandwidth and improve network resiliency.
• STP, RSTP, MSTP, PVST+, Rapid PVST+, loop guard, root guard, BPDU protection and related controls help prevent Layer 2 loops.
• Advanced QoS provides eight hardware queues per port with traffic classification, rate limiting, policing, shaping, queue assignment and packet remarking.
• IEEE 802.1X, RADIUS, TACACS+, ACLs, DHCP snooping, Dynamic ARP Inspection, IP Source Guard, IPv6 protections, port security, storm control and DoS prevention help secure wired network access.
• IGMP Snooping, MLD Snooping, IGMP Querier, and multicast filtering help control multicast traffic for video, collaboration, IPTV and other multicast applications.
• Cisco Discovery Protocol, LLDP, and LLDP-MED support device discovery, topology awareness and automated voice endpoint configuration.
• Cisco Business Dashboard, embedded web GUI, CLI, SNMP, Cisco Business mobile app and Cisco Network Plug and Play support flexible network administration.
• Hardware stacking supports compatible Cisco Business 350 Series switches, allowing multiple switches to operate as one logical system.
• Dual firmware images and dual configuration files support safer software upgrades, configuration management and recovery.
• IEEE 802.3az Energy Efficient Ethernet helps reduce power consumption during periods of low network activity.
• 1RU rack-mountable chassis supports installation in standard 19-inch network racks, equipment cabinets and professional wiring closets.
Benefits of Cisco CBS350-48T-4G 48-Port Gigabit Managed Network Switch
🗹 Connects up to 48 wired network devices through one managed Gigabit Ethernet switch, helping simplify high-density office and branch-network deployments.
🗹 Provides flexible fiber or copper uplink connectivity through four 1GbE SFP ports for network cores, servers, storage systems and remote network segments.
🗹 Improves traffic performance with 104 Gbps switching capacity and approximately 77.38 Mpps forwarding performance.
🗹 Supports reliable VoIP calls, video conferencing, cloud applications, file transfers and business-critical traffic through configurable QoS policies.
🗹 Improves network organization by separating employees, guests, voice devices, wireless traffic, cameras and IoT endpoints into dedicated VLANs.
🗹 Strengthens wired-network security with 802.1X authentication, ACLs, DHCP snooping, Dynamic ARP Inspection, IP Source Guard, port security and IPv6 protection features.
🗹 Supports Layer 3 inter-VLAN communication and static or dynamic routing without requiring a separate router for every network segment.
🗹 Reduces downtime by using LACP link aggregation, spanning-tree protections, loop prevention and hardware stacking.
🗹 Simplifies network configuration and monitoring through Cisco Business Dashboard, browser-based management, CLI, SNMP, mobile administration and Network Plug and Play.
🗹 Supports future network expansion through high MAC address capacity, VLAN support, stacking, link aggregation and four dedicated SFP uplinks.
Specifications
Specifications for Cisco CBS350-48T-4G 48-Port Gigabit Managed Network Switch with SFP (NA) | Like New
| Manufacturer | Cisco |
| Manufacturer Part Number | CBS350-48T-4G-NA |
| Product Name | Cisco CBS350-48T-4G 48-Port Gigabit Managed Network Switch with SFP |
| Product Type | Networking Switch |
| Primary function | Managed access-layer network switching |
| Total system ports | 52 |
| RJ45 Ethernet ports | 48 × 10/100/1000BASE-T Gigabit Ethernet |
| SFP uplink ports | 4 × 1GbE SFP |
| SFP port type | Dedicated Gigabit SFP fiber/copper uplink ports |
| PoE support | Not supported |
| Switching capacity | 104 Gbps |
| Forwarding rate | Approximately 77.38 Mpps with 64-byte packets |
| Forwarding architecture | Wire-speed, nonblocking switching |
| Packet buffer | Approximately 3 MB |
| MAC address table | Up to 16,000 MAC addresses |
| Jumbo frames | Up to 9,000 bytes |
| VLAN IDs | Up to 4,096 VLAN IDs |
| Active VLANs | Up to 1,024 VLANs |
| IPv4 routing entries | Up to 512 |
| IPv6 routing entries | Up to 256 |
| IPv4 ACL entries | Up to 512 |
| IPv6 ACL entries | Up to 256 |
| Layer 2 switching | Supported |
| Layer 3 routing | IPv4 and IPv6 static routing, inter-VLAN routing, RIP, OSPF, DHCP relay, and policy-based routing |
| IPv4 support | Supported |
| IPv6 support | Supported |
| VLAN standards | IEEE 802.1Q tagging and port-based VLANs |
| VLAN features | Voice VLAN, guest VLAN, private VLAN Edge, GVRP, and GARP |
| Link aggregation | IEEE 802.3ad LACP |
| Link aggregation groups | Up to 32 groups |
| Ports per aggregation group | Up to 8 ports |
| Spanning Tree Protocol | STP, IEEE 802.1D |
| Rapid Spanning Tree | RSTP, IEEE 802.1w |
| Multiple Spanning Tree | MSTP, IEEE 802.1s |
| Cisco spanning-tree support | PVST+ and Rapid PVST+ |
| Loop protection | Loop guard, root guard, BPDU filtering, BPDU protection, and loopback detection |
| QoS queues | 8 hardware queues per port |
| QoS classification | 802.1p, DSCP, IP precedence, MAC address, VLAN ID, and TCP/UDP port |
| QoS controls | Rate limiting, policing, shaping, queue assignment, congestion avoidance, and packet remarking |
| Voice features | Voice VLAN, Auto Voice VLAN, LLDP-MED, and voice traffic prioritization |
| Multicast features | IGMP Snooping, MLD Snooping, IGMP Querier, and multicast filtering |
| Authentication | IEEE 802.1X port-based authentication |
| Authentication servers | RADIUS and TACACS+ |
| Access control lists | IPv4 ACLs, IPv6 ACLs, MAC-based ACLs, time-based ACLs, and VLAN-based ACLs |
| Security features | Port security, DHCP snooping, Dynamic ARP Inspection, IP Source Guard, IPv6 First Hop Security, RA Guard, DHCPv6 Guard, storm control, and DoS prevention |
| Discovery protocols | Cisco Discovery Protocol, LLDP, and LLDP-MED |
| Management interface | Embedded web-based graphical user interface |
| Command-line management | CLI through console, Telnet, or SSH |
| SNMP support | SNMP v1, v2c, and v3 |
| Monitoring features | RMON, sFlow, SPAN, and local port mirroring |
| Cisco management tools | Cisco Business Dashboard, Cisco Business mobile app, and Cisco Network Plug and Play |
| Firmware features | Dual firmware images and dual configuration files |
| Stacking | Hardware stacking with compatible Cisco Business 350 Series switches |
| Stack operation | Multiple compatible switches can be managed as one logical system |
| Console port | RJ45 console port |
| USB port | USB Type-A port |
| Ethernet standards | IEEE 802.3 Ethernet, IEEE 802.3u Fast Ethernet, and IEEE 802.3ab Gigabit Ethernet |
| Flow control | IEEE 802.3x |
| Energy efficiency | IEEE 802.3az Energy Efficient Ethernet |
| Auto negotiation | Supported |
| Auto MDI/MDIX | Supported |
| Duplex modes | Full-duplex and half-duplex on applicable interfaces |
| SFP compatibility | Compatible Cisco 1000BASE-X SFP transceivers and supported copper SFP modules |
| SFP media options | Multimode fiber, single-mode fiber, and compatible copper SFP connections, depending on the selected module |
| Form factor | 1RU rack-mountable |
| Rack compatibility | Standard 19-inch equipment racks |
| Installation options | Rack, desktop, or equipment-cabinet installation |
| Chassis dimensions | Approximately 445 × 288 × 44 mm (W × D × H) |
| Dimensions in inches | Approximately 17.5 × 11.33 × 1.73 inches |
| Weight | Approximately 2.78 kg or 6.13 lb |
| Power input | 100–240V AC |
| AC frequency | 50–60 Hz |
| Power supply | Internal AC power supply |
| Cooling | Internal fan cooling |
| Airflow | Side-to-rear airflow |
| Operating temperature | Approximately 0°C to 50°C (32°F to 122°F) |
| Storage temperature | Approximately -20°C to 70°C (-4°F to 158°F) |
| Operating humidity | Approximately 10% to 90%, noncondensing |
| Storage humidity | Approximately 10% to 90%, noncondensing |
| Operating altitude | Up to approximately 3,000 m (9,843 ft) |
| Storage altitude | Up to approximately 4,570 m (15,000 ft) |
| Acoustic output | Fan and operating-temperature dependent |
| Status indicators | System, link/activity, speed, and SFP port status LEDs |
| Compliance | FCC Class A, CE, UL, CB, CSA, NOM, and applicable regional certifications |
| Environmental compliance | RoHS and applicable Cisco environmental compliance requirements |
User Guides
Frequently Asked Questions
Cisco CBS350-48T-4G 48-Port Gigabit Managed Network Switch
Frequently Asked Questions (FAQ's)
How many Ethernet ports does the CBS350-48T-4G provide?
The switch provides 48 10/100/1000 Mbps Gigabit Ethernet RJ-45 ports, making it suitable for businesses with a large number of wired endpoints.
Does the CBS350-48T-4G provide PoE?
No. The CBS350-48T-4G is a non-PoE managed switch. Connected devices that require electrical power must use their own power source or another appropriate powering solution.
How many SFP ports are included?
It includes four dedicated Gigabit SFP interfaces in addition to its 48 copper Ethernet ports. This gives the switch 52 physical network interfaces across its copper and SFP connectivity.
Are the uplink interfaces SFP or SFP+?
The CBS350-48T-4G uses 1 Gigabit SFP interfaces, not 10G SFP+. Organizations requiring 10 Gigabit SFP+ uplinks should consider an appropriate 4X model such as the CBS350-48T-4X.
Do the SFP interfaces replace any RJ-45 ports?
No. The four SFP interfaces are dedicated, so administrators can retain all 48 Gigabit copper ports while using the SFP interfaces for uplinks.
Can the SFP ports be used for fiber connectivity?
Yes. Compatible Cisco SFP optical transceivers can be used for fiber connections. The appropriate transceiver depends on factors including fiber type, wavelength, connector and required transmission distance.
What is the switching capacity of the CBS350-48T-4G?
Cisco specifies a 104 Gbps switching capacity, providing nonblocking bandwidth for its combination of 48 Gigabit copper ports and four Gigabit SFP interfaces.
What is the forwarding rate?
The CBS350-48T-4G has a specified forwarding rate of 77.38 million packets per second (Mpps).
How much packet buffer memory does it provide?
Cisco specifies a 3 MB dynamically shared packet buffer, which helps manage temporary bursts of network traffic.
Does the CBS350-48T-4G support VLANs?
Yes. VLAN functionality allows administrators to logically separate different users, departments, servers, guests, management devices and other network resources.
Does the switch provide Layer 3 functionality?
Yes. The Cisco Business 350 Series includes Layer 3 capabilities, including static routing, giving organizations additional flexibility beyond traditional Layer 2 switching.
Does it support Quality of Service?
Yes. QoS functionality helps administrators classify and prioritize traffic, which can benefit applications such as VoIP, video conferencing, streaming and other latency-sensitive services.
Can multiple network links be aggregated?
Yes. The CBS350 Series supports link aggregation and LACP, allowing compatible ports to be combined logically for additional aggregate bandwidth and network flexibility.
Does the switch support Spanning Tree?
Yes. Cisco Business 350 switches support Spanning Tree technologies designed to prevent Layer 2 loops and accommodate redundant network paths.
Does the CBS350-48T-4G support IPv6?
Yes. The CBS350 platform supports IPv4 and IPv6, making it suitable for networks transitioning toward or already using IPv6 services.
Can servers and NAS devices connect to this switch?
Yes. Its Gigabit Ethernet ports can connect compatible servers, NAS appliances, workstations and other wired equipment. The switch is especially practical where those devices already have dedicated electrical power.
Is the CBS350-48T-4G suitable for a VoIP network?
It can carry and prioritize VoIP traffic using VLAN and QoS functionality. However, because this specific model does not provide PoE, IP phones requiring PoE need another appropriate source of power.
Can wireless access points connect to this switch?
Yes. Ethernet-connected access points can use the switch for network connectivity. Access points requiring PoE must receive power separately because the CBS350-48T-4G is non-PoE.
Can the CBS350-48T-4G be rack mounted?
Yes. The switch uses a rack-mountable form factor, making it appropriate for network closets, equipment rooms and structured business IT installations.
Who should choose the CBS350-48T-4G?
It is particularly suitable for business offices, schools, labs, retail locations, professional services, branch networks, server rooms and other environments that need 48 managed Gigabit Ethernet connections and dedicated SFP uplinks but do not require PoE at the switch.